diff --git a/data/ira_incentives.json b/data/ira_incentives.json
index 088e095d..a22de675 100644
--- a/data/ira_incentives.json
+++ b/data/ira_incentives.json
@@ -7,6 +7,7 @@
     ],
     "program": "residentialCleanEnergyCredit",
     "authority_type": "federal",
+    "v0_item": "battery_storage_installation",
     "items": [
       "battery_storage_installation"
     ],
@@ -38,6 +39,7 @@
     ],
     "program": "residentialCleanEnergyCredit",
     "authority_type": "federal",
+    "v0_item": "geothermal_heating_installation",
     "items": [
       "geothermal_heating_installation"
     ],
@@ -69,6 +71,7 @@
     ],
     "program": "energyEfficientHomeImprovementCredit",
     "authority_type": "federal",
+    "v0_item": "electric_panel",
     "items": [
       "electric_panel"
     ],
@@ -99,6 +102,7 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "electric_panel",
     "items": [
       "electric_panel"
     ],
@@ -129,6 +133,7 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "electric_panel",
     "items": [
       "electric_panel"
     ],
@@ -159,6 +164,7 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "electric_stove",
     "items": [
       "electric_stove"
     ],
@@ -190,6 +196,7 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "electric_stove",
     "items": [
       "electric_stove"
     ],
@@ -221,6 +228,7 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "electric_wiring",
     "items": [
       "electric_wiring"
     ],
@@ -251,6 +259,7 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "electric_wiring",
     "items": [
       "electric_wiring"
     ],
@@ -281,6 +290,7 @@
     ],
     "program": "alternativeFuelVehicleRefuelingPropertyCredit",
     "authority_type": "federal",
+    "v0_item": "electric_vehicle_charger",
     "items": [
       "electric_vehicle_charger"
     ],
@@ -312,6 +322,7 @@
     ],
     "program": "cleanVehicleCredit",
     "authority_type": "federal",
+    "v0_item": "new_electric_vehicle",
     "items": [
       "new_electric_vehicle"
     ],
@@ -345,6 +356,7 @@
     ],
     "program": "cleanVehicleCredit",
     "authority_type": "federal",
+    "v0_item": "new_electric_vehicle",
     "items": [
       "new_electric_vehicle"
     ],
@@ -378,6 +390,7 @@
     ],
     "program": "cleanVehicleCredit",
     "authority_type": "federal",
+    "v0_item": "new_electric_vehicle",
     "items": [
       "new_electric_vehicle"
     ],
@@ -411,6 +424,7 @@
     ],
     "program": "cleanVehicleCredit",
     "authority_type": "federal",
+    "v0_item": "new_electric_vehicle",
     "items": [
       "new_electric_vehicle"
     ],
@@ -444,6 +458,7 @@
     ],
     "program": "creditForPreviouslyOwnedCleanVehicles",
     "authority_type": "federal",
+    "v0_item": "used_electric_vehicle",
     "items": [
       "used_electric_vehicle"
     ],
@@ -477,6 +492,7 @@
     ],
     "program": "creditForPreviouslyOwnedCleanVehicles",
     "authority_type": "federal",
+    "v0_item": "used_electric_vehicle",
     "items": [
       "used_electric_vehicle"
     ],
@@ -510,6 +526,7 @@
     ],
     "program": "creditForPreviouslyOwnedCleanVehicles",
     "authority_type": "federal",
+    "v0_item": "used_electric_vehicle",
     "items": [
       "used_electric_vehicle"
     ],
@@ -543,6 +560,7 @@
     ],
     "program": "creditForPreviouslyOwnedCleanVehicles",
     "authority_type": "federal",
+    "v0_item": "used_electric_vehicle",
     "items": [
       "used_electric_vehicle"
     ],
@@ -576,8 +594,11 @@
     ],
     "program": "energyEfficientHomeImprovementCredit",
     "authority_type": "federal",
+    "v0_item": "heat_pump_air_conditioner_heater",
     "items": [
-      "heat_pump_air_conditioner_heater"
+      "air_to_water_heat_pump",
+      "ducted_heat_pump",
+      "ductless_heat_pump"
     ],
     "amount": {
       "type": "dollar_amount",
@@ -606,6 +627,7 @@
     ],
     "program": "energyEfficientHomeImprovementCredit",
     "authority_type": "federal",
+    "v0_item": "heat_pump_water_heater",
     "items": [
       "heat_pump_water_heater"
     ],
@@ -636,6 +658,7 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "heat_pump_water_heater",
     "items": [
       "heat_pump_water_heater"
     ],
@@ -666,8 +689,11 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "heat_pump_air_conditioner_heater",
     "items": [
-      "heat_pump_air_conditioner_heater"
+      "air_to_water_heat_pump",
+      "ducted_heat_pump",
+      "ductless_heat_pump"
     ],
     "amount": {
       "type": "dollar_amount",
@@ -697,6 +723,7 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "heat_pump_clothes_dryer",
     "items": [
       "heat_pump_clothes_dryer"
     ],
@@ -728,6 +755,7 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "heat_pump_water_heater",
     "items": [
       "heat_pump_water_heater"
     ],
@@ -758,8 +786,11 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "heat_pump_air_conditioner_heater",
     "items": [
-      "heat_pump_air_conditioner_heater"
+      "air_to_water_heat_pump",
+      "ducted_heat_pump",
+      "ductless_heat_pump"
     ],
     "amount": {
       "type": "dollar_amount",
@@ -789,6 +820,7 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "heat_pump_clothes_dryer",
     "items": [
       "heat_pump_clothes_dryer"
     ],
@@ -820,6 +852,7 @@
     ],
     "program": "residentialCleanEnergyCredit",
     "authority_type": "federal",
+    "v0_item": "rooftop_solar_installation",
     "items": [
       "rooftop_solar_installation"
     ],
@@ -850,8 +883,11 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "weatherization",
     "items": [
-      "weatherization"
+      "air_sealing",
+      "other_insulation",
+      "other_weatherization"
     ],
     "amount": {
       "type": "dollar_amount",
@@ -880,8 +916,12 @@
     ],
     "program": "energyEfficientHomeImprovementCredit",
     "authority_type": "federal",
+    "v0_item": "weatherization",
     "items": [
-      "weatherization"
+      "air_sealing",
+      "door_replacement",
+      "window_replacement",
+      "other_insulation"
     ],
     "amount": {
       "type": "dollar_amount",
@@ -894,7 +934,7 @@
     "start_date": "2023",
     "end_date": "2032",
     "short_description": {
-      "en": "30% tax credit (up to $1,200) for weatherization projects: insulation, air sealing, doors, windows, and energy audits. Yearly reset.",
+      "en": "30% tax credit (up to $1,200) for weatherization projects: insulation, air sealing, doors, windows. Yearly reset.",
       "es": "Crédito fiscal del 30% (hasta $1,200) por los proyectos de impermeabilización. Reinicio anual."
     },
     "more_info_url": {
@@ -902,6 +942,37 @@
       "es": "https://homes.rewiringamerica.org/es/federal-incentives/25c-weatherization-tax-credits"
     }
   },
+  {
+    "id": "IRA-19",
+    "type": "tax_credit",
+    "payment_methods": [
+      "tax_credit"
+    ],
+    "program": "energyEfficientHomeImprovementCredit",
+    "authority_type": "federal",
+    "v0_item": null,
+    "items": [
+      "energy_audit"
+    ],
+    "amount": {
+      "type": "dollar_amount",
+      "number": 150
+    },
+    "owner_status": [
+      "homeowner"
+    ],
+    "ami_qualification": null,
+    "start_date": "2023",
+    "end_date": "2032",
+    "short_description": {
+      "en": "Tax credit of up to $150 for an energy audit. Yearly reset.",
+      "es": "Crédito fiscal de hasta $150) por . Reinicio anual."
+    },
+    "more_info_url": {
+      "en": "https://homes.rewiringamerica.org/federal-incentives/25c-weatherization-tax-credits",
+      "es": "https://homes.rewiringamerica.org/es/federal-incentives/25c-weatherization-tax-credits"
+    }
+  },
   {
     "id": "IRA-17",
     "type": "pos_rebate",
@@ -910,8 +981,11 @@
     ],
     "program": "homeElectrificationAndApplianceRebates",
     "authority_type": "federal",
+    "v0_item": "weatherization",
     "items": [
-      "weatherization"
+      "air_sealing",
+      "other_insulation",
+      "other_weatherization"
     ],
     "amount": {
       "type": "dollar_amount",
@@ -940,6 +1014,7 @@
     ],
     "program": "homeEfficiencyRebates",
     "authority_type": "federal",
+    "v0_item": "efficiency_rebates",
     "items": [
       "efficiency_rebates"
     ],
@@ -970,6 +1045,7 @@
     ],
     "program": "homeEfficiencyRebates",
     "authority_type": "federal",
+    "v0_item": "efficiency_rebates",
     "items": [
       "efficiency_rebates"
     ],
diff --git a/locales/en.json b/locales/en.json
index 78aad9bc..305ea197 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -17,28 +17,19 @@
   },
   "items": {
     "battery_storage_installation": "Battery Storage Installation",
-    "ebike": "E-Bike",
     "efficiency_rebates": "Efficiency Rebates",
-    "electric_outdoor_equipment": "Electric Outdoor Equipment",
     "electric_panel": "Electric Panel",
     "electric_stove": "Electric/Induction Stove",
-    "electric_thermal_storage_and_slab": "Electric Thermal Storage and Slab",
     "electric_vehicle_charger": "Electric Vehicle Charger",
     "electric_wiring": "Electric Wiring",
-    "evaporative_cooler": "Evaporative Cooler",
     "geothermal_heating_installation": "Geothermal Heating Installation",
     "heat_pump_air_conditioner_heater": "Heat Pump Air Conditioner/Heater",
     "heat_pump_clothes_dryer": "Heat Pump Clothes Dryer",
     "heat_pump_water_heater": "Heat Pump Water Heater",
     "new_electric_vehicle": "New Electric Vehicle",
-    "non_heat_pump_clothes_dryer": "Electric Resistance Clothes Dryer",
-    "non_heat_pump_water_heater": "Electric Resistance Water Heater",
-    "other": "Other",
     "rooftop_solar_installation": "Rooftop Solar Installation",
-    "smart_thermostat": "Smart Thermostat",
     "used_electric_vehicle": "Used Electric Vehicle",
-    "weatherization": "Weatherization",
-    "whole_house_fan": "Whole House Fan"
+    "weatherization": "Weatherization"
   },
   "errors": {
     "cannot_locate_address": "We can't locate that address.",
diff --git a/locales/es.json b/locales/es.json
index 4098474c..d860b32d 100644
--- a/locales/es.json
+++ b/locales/es.json
@@ -17,28 +17,19 @@
   },
   "items": {
     "battery_storage_installation": "Instalación de baterías",
-    "ebike": "Bicicleta Eléctrica",
     "efficiency_rebates": "Bonificaciones por eficiencia",
-    "electric_outdoor_equipment": "Equipo eléctrico para exteriores",
     "electric_panel": "Cuadro eléctrico",
     "electric_stove": "Estufa eléctrica/de inducción",
-    "electric_thermal_storage_and_slab": "Almacenamiento de energía térmica y el bloque",
     "electric_vehicle_charger": "Cargador de vehículos eléctricos",
     "electric_wiring": "Cableado eléctrico",
-    "evaporative_cooler": "Enfriador evaporativo",
     "geothermal_heating_installation": "Instalación de calefacción geotérmica",
     "heat_pump_air_conditioner_heater": "Aire acondicionado/calentador con bomba de calor",
     "heat_pump_clothes_dryer": "Secadora de ropa con bomba de calor",
     "heat_pump_water_heater": "Calentador de agua con bomba de calor",
     "new_electric_vehicle": "Nuevo vehículo eléctrico",
-    "non_heat_pump_clothes_dryer": "Secadora de ropa eléctrica",
-    "non_heat_pump_water_heater": "Calentador de agua eléctrico",
-    "other": "Otro",
     "rooftop_solar_installation": "Instalación solar en el techo",
-    "smart_thermostat": "Termostato inteligente",
     "used_electric_vehicle": "Vehículo eléctrico usado",
-    "weatherization": "Climatización",
-    "whole_house_fan": "Ventilador para toda la casa"
+    "weatherization": "Climatización"
   },
   "errors": {
     "cannot_locate_address": "No se puede encontrar la ubicación de esa dirección.",
diff --git a/src/data/ira_incentives.ts b/src/data/ira_incentives.ts
index fffd9401..8f7d8f65 100644
--- a/src/data/ira_incentives.ts
+++ b/src/data/ira_incentives.ts
@@ -6,7 +6,7 @@ import { PROGRAMS } from './programs';
 import { FilingStatus } from './tax_brackets';
 import { AMOUNT_SCHEMA, Amount } from './types/amount';
 import { PaymentMethod } from './types/incentive-types';
-import { IRAItem, IRA_ITEMS } from './types/items';
+import { ALL_ITEMS, IRAItem, IRA_ITEMS, Item } from './types/items';
 import { LocalizableString } from './types/localizable-string';
 import { OwnerStatus } from './types/owner-status';
 
@@ -24,7 +24,8 @@ export interface IRAIncentive {
   authority_type: AuthorityType.Federal;
   end_date: string;
   filing_status?: FilingStatus;
-  items: IRAItem[];
+  v0_item: IRAItem | null;
+  items: Item[];
   owner_status: OwnerStatus[];
   program: string;
   start_date: string;
@@ -64,10 +65,13 @@ export const SCHEMA: JSONSchemaType<IRAIncentive[]> = {
       },
       program: { type: 'string', enum: Object.keys(PROGRAMS) },
       authority_type: { type: 'string', const: AuthorityType.Federal },
+      v0_item: nullable({
+        type: 'string',
+        enum: IRA_ITEMS,
+      }),
       items: {
         type: 'array',
-        maxItems: 1,
-        items: { type: 'string', enum: IRA_ITEMS },
+        items: { type: 'string', enum: ALL_ITEMS },
       },
       amount: AMOUNT_SCHEMA,
       owner_status: {
@@ -107,6 +111,7 @@ export const SCHEMA: JSONSchemaType<IRAIncentive[]> = {
       'amount',
       'authority_type',
       'end_date',
+      'v0_item',
       'items',
       'owner_status',
       'program',
diff --git a/src/data/locale.ts b/src/data/locale.ts
index ac851015..af65e458 100644
--- a/src/data/locale.ts
+++ b/src/data/locale.ts
@@ -4,20 +4,20 @@ import {
   ALL_ERROR_MESSAGES,
   ERROR_MESSAGES_SCHEMA,
 } from './types/error-message';
-import { IRA_ITEMS, ITEMS_SCHEMA } from './types/items';
+import { IRA_ITEMS, IRA_ITEMS_SCHEMA } from './types/items';
 
 export const SCHEMA = {
   type: 'object',
   properties: {
     items: {
       type: 'object',
-      properties: ITEMS_SCHEMA,
+      properties: IRA_ITEMS_SCHEMA,
       required: IRA_ITEMS,
       additionalProperties: false,
     },
     urls: {
       type: 'object',
-      properties: ITEMS_SCHEMA,
+      properties: IRA_ITEMS_SCHEMA,
       required: IRA_ITEMS,
       additionalProperties: false,
     },
diff --git a/src/data/types/items.ts b/src/data/types/items.ts
index fd245676..d3e531c8 100644
--- a/src/data/types/items.ts
+++ b/src/data/types/items.ts
@@ -28,7 +28,6 @@ export const ITEMS_SCHEMA = {
   evaporative_cooler: { type: 'string' },
   floor_insulation: { type: 'string' },
   geothermal_heating_installation: { type: 'string' },
-  heat_pump_air_conditioner_heater: { type: 'string' }, // TODO remove
   heat_pump_clothes_dryer: { type: 'string' },
   heat_pump_water_heater: { type: 'string' },
   new_electric_vehicle: { type: 'string' },
@@ -44,31 +43,38 @@ export const ITEMS_SCHEMA = {
   used_electric_vehicle: { type: 'string' },
   used_plugin_hybrid_vehicle: { type: 'string' },
   wall_insulation: { type: 'string' },
-  weatherization: { type: 'string' }, // TODO remove
   whole_house_fan: { type: 'string' },
   window_replacement: { type: 'string' },
 } as const;
 
 export type Item = keyof typeof ITEMS_SCHEMA;
 
-/** Only these items appear in the IRA incentives (and thus in API v0). */
-export const IRA_ITEMS = [
-  'battery_storage_installation',
-  'efficiency_rebates',
-  'electric_panel',
-  'electric_stove',
-  'electric_vehicle_charger',
-  'electric_wiring',
-  'geothermal_heating_installation',
-  'heat_pump_air_conditioner_heater',
-  'heat_pump_clothes_dryer',
-  'heat_pump_water_heater',
-  'new_electric_vehicle',
-  'rooftop_solar_installation',
-  'used_electric_vehicle',
-  'weatherization',
-] as const satisfies readonly Item[];
+/**
+ * These items are for the legacy v0 API, and only used with IRA incentives.
+ *
+ * Note that this contains two items that don't appear above: weatherization and
+ * heat_pump_air_conditioner_heater. In v1 (and state and utility incentives),
+ * these are broken up into more granular categories.
+ */
+export const IRA_ITEMS_SCHEMA = {
+  battery_storage_installation: { type: 'string' },
+  efficiency_rebates: { type: 'string' },
+  electric_panel: { type: 'string' },
+  electric_stove: { type: 'string' },
+  electric_vehicle_charger: { type: 'string' },
+  electric_wiring: { type: 'string' },
+  geothermal_heating_installation: { type: 'string' },
+  heat_pump_air_conditioner_heater: { type: 'string' },
+  heat_pump_clothes_dryer: { type: 'string' },
+  heat_pump_water_heater: { type: 'string' },
+  new_electric_vehicle: { type: 'string' },
+  rooftop_solar_installation: { type: 'string' },
+  used_electric_vehicle: { type: 'string' },
+  weatherization: { type: 'string' },
+} as const;
 
-export type IRAItem = (typeof IRA_ITEMS)[number];
+export type IRAItem = keyof typeof IRA_ITEMS_SCHEMA;
 
 export const ALL_ITEMS = Object.keys(ITEMS_SCHEMA) as unknown as Item[];
+
+export const IRA_ITEMS = Object.keys(IRA_ITEMS_SCHEMA) as unknown as IRAItem[];
diff --git a/src/routes/v0.ts b/src/routes/v0.ts
index 494528b4..203d65c9 100644
--- a/src/routes/v0.ts
+++ b/src/routes/v0.ts
@@ -26,48 +26,50 @@ import {
 IRA_INCENTIVES.forEach(incentive => Object.freeze(incentive));
 
 function translateIncentives(incentives: IRAIncentive[]): WebsiteIncentive[] {
-  return incentives.map(incentive => ({
-    ...incentive,
-    start_date: parseInt(incentive.start_date),
-    end_date: parseInt(incentive.end_date),
-    item_es: t('items', incentive.items[0], 'es'),
-    item: t('items', incentive.items[0], 'en'),
-    program_es: tr(PROGRAMS[incentive.program as keyof Programs].name, 'es'),
-    program: tr(PROGRAMS[incentive.program as keyof Programs].name, 'en'),
-    // strip domain from v0 links:
-    more_info_url_es: t('urls', incentive.items[0], 'es').replace(
-      'https://www.rewiringamerica.org',
-      '',
-    ),
-    more_info_url: t('urls', incentive.items[0], 'en').replace(
-      'https://www.rewiringamerica.org',
-      '',
-    ),
-    // TODO: remove when PEP is migrated to v1 API
-    more_info_url_internal: tr(incentive.more_info_url, 'en'),
-    short_description: tr(incentive.short_description, 'en'),
-
-    type:
-      incentive.type === PaymentMethod.PerformanceRebate
-        ? PaymentMethod.PosRebate
-        : incentive.type,
-
-    // Reconstruct item_type
-    item_type:
-      incentive.items[0] === 'rooftop_solar_installation'
-        ? 'solar_tax_credit'
-        : incentive.items[0] === 'electric_vehicle_charger'
-        ? 'ev_charger_credit'
-        : incentive.type,
-
-    // Transform amounts from v1 to v0 format
-    amount: incentive.amount.number,
-    amount_type: incentive.amount.type as 'dollar_amount' | 'percent',
-    representative_amount: incentive.amount.representative ?? 0,
-
-    // agi_max_limit is not nullable
-    agi_max_limit: incentive.agi_max_limit ?? 0,
-  }));
+  return incentives
+    .filter(incentive => incentive.v0_item !== null)
+    .map(incentive => ({
+      ...incentive,
+      start_date: parseInt(incentive.start_date),
+      end_date: parseInt(incentive.end_date),
+      item_es: t('items', incentive.v0_item!, 'es'),
+      item: t('items', incentive.v0_item!, 'en'),
+      program_es: tr(PROGRAMS[incentive.program as keyof Programs].name, 'es'),
+      program: tr(PROGRAMS[incentive.program as keyof Programs].name, 'en'),
+      // strip domain from v0 links:
+      more_info_url_es: t('urls', incentive.v0_item!, 'es').replace(
+        'https://www.rewiringamerica.org',
+        '',
+      ),
+      more_info_url: t('urls', incentive.v0_item!, 'en').replace(
+        'https://www.rewiringamerica.org',
+        '',
+      ),
+      // TODO: remove when PEP is migrated to v1 API
+      more_info_url_internal: tr(incentive.more_info_url, 'en'),
+      short_description: tr(incentive.short_description, 'en'),
+
+      type:
+        incentive.type === PaymentMethod.PerformanceRebate
+          ? PaymentMethod.PosRebate
+          : incentive.type,
+
+      // Reconstruct item_type
+      item_type:
+        incentive.items[0] === 'rooftop_solar_installation'
+          ? 'solar_tax_credit'
+          : incentive.items[0] === 'electric_vehicle_charger'
+          ? 'ev_charger_credit'
+          : incentive.type,
+
+      // Transform amounts from v1 to v0 format
+      amount: incentive.amount.number,
+      amount_type: incentive.amount.type as 'dollar_amount' | 'percent',
+      representative_amount: incentive.amount.representative ?? 0,
+
+      // agi_max_limit is not nullable
+      agi_max_limit: incentive.agi_max_limit ?? 0,
+    }));
 }
 
 const CalculatorSchema = {
diff --git a/test/fixtures/v0-80212-homeowner-80000-joint-4.json b/test/fixtures/v0-80212-homeowner-80000-joint-4.json
index f55474b4..0be0fbe3 100644
--- a/test/fixtures/v0-80212-homeowner-80000-joint-4.json
+++ b/test/fixtures/v0-80212-homeowner-80000-joint-4.json
@@ -381,7 +381,7 @@
       "ami_qualification": null,
       "agi_max_limit": 0,
       "eligible": true,
-      "short_description": "30% tax credit (up to $1,200) for weatherization projects: insulation, air sealing, doors, windows, and energy audits. Yearly reset.",
+      "short_description": "30% tax credit (up to $1,200) for weatherization projects: insulation, air sealing, doors, windows. Yearly reset.",
       "more_info_url_internal": "https://homes.rewiringamerica.org/federal-incentives/25c-weatherization-tax-credits"
     },
     {
diff --git a/test/fixtures/v1-15289-homeowner-85000-joint-4.json b/test/fixtures/v1-15289-homeowner-85000-joint-4.json
index 9ceb9bfd..9061c8b9 100644
--- a/test/fixtures/v1-15289-homeowner-85000-joint-4.json
+++ b/test/fixtures/v1-15289-homeowner-85000-joint-4.json
@@ -289,7 +289,9 @@
       "program_url": "https://www.irs.gov/credits-deductions/energy-efficient-home-improvement-credit",
       "more_info_url": "https://homes.rewiringamerica.org/federal-incentives/25c-heat-pump-tax-credits",
       "items": [
-        "heat_pump_air_conditioner_heater"
+        "air_to_water_heat_pump",
+        "ducted_heat_pump",
+        "ductless_heat_pump"
       ],
       "amount": {
         "type": "dollar_amount",
@@ -337,7 +339,10 @@
       "program_url": "https://www.irs.gov/credits-deductions/energy-efficient-home-improvement-credit",
       "more_info_url": "https://homes.rewiringamerica.org/federal-incentives/25c-weatherization-tax-credits",
       "items": [
-        "weatherization"
+        "air_sealing",
+        "door_replacement",
+        "window_replacement",
+        "other_insulation"
       ],
       "amount": {
         "type": "dollar_amount",
@@ -350,7 +355,7 @@
       "end_date": "2032",
       "ami_qualification": null,
       "eligible": true,
-      "short_description": "30% tax credit (up to $1,200) for weatherization projects: insulation, air sealing, doors, windows, and energy audits. Yearly reset."
+      "short_description": "30% tax credit (up to $1,200) for weatherization projects: insulation, air sealing, doors, windows. Yearly reset."
     },
     {
       "payment_methods": [
@@ -400,6 +405,30 @@
       "ami_qualification": null,
       "eligible": true,
       "short_description": "30% tax credit (up to $600) for electrical panel upgrade when done with another 25C or 25D upgrade. Yearly reset."
+    },
+    {
+      "payment_methods": [
+        "tax_credit"
+      ],
+      "authority_type": "federal",
+      "program": "Federal Energy Efficient Home Improvement Credit (25C)",
+      "program_url": "https://www.irs.gov/credits-deductions/energy-efficient-home-improvement-credit",
+      "more_info_url": "https://homes.rewiringamerica.org/federal-incentives/25c-weatherization-tax-credits",
+      "items": [
+        "energy_audit"
+      ],
+      "amount": {
+        "type": "dollar_amount",
+        "number": 150
+      },
+      "owner_status": [
+        "homeowner"
+      ],
+      "start_date": "2023",
+      "end_date": "2032",
+      "ami_qualification": null,
+      "eligible": true,
+      "short_description": "Tax credit of up to $150 for an energy audit. Yearly reset."
     }
   ]
 }
diff --git a/test/fixtures/v1-84106-homeowner-80000-joint-4.json b/test/fixtures/v1-84106-homeowner-80000-joint-4.json
index 441edd82..ddebfea7 100644
--- a/test/fixtures/v1-84106-homeowner-80000-joint-4.json
+++ b/test/fixtures/v1-84106-homeowner-80000-joint-4.json
@@ -151,7 +151,9 @@
       "program_url": "https://www.irs.gov/credits-deductions/energy-efficient-home-improvement-credit",
       "more_info_url": "https://homes.rewiringamerica.org/federal-incentives/25c-heat-pump-tax-credits",
       "items": [
-        "heat_pump_air_conditioner_heater"
+        "air_to_water_heat_pump",
+        "ducted_heat_pump",
+        "ductless_heat_pump"
       ],
       "amount": {
         "type": "dollar_amount",
@@ -199,7 +201,10 @@
       "program_url": "https://www.irs.gov/credits-deductions/energy-efficient-home-improvement-credit",
       "more_info_url": "https://homes.rewiringamerica.org/federal-incentives/25c-weatherization-tax-credits",
       "items": [
-        "weatherization"
+        "air_sealing",
+        "door_replacement",
+        "window_replacement",
+        "other_insulation"
       ],
       "amount": {
         "type": "dollar_amount",
@@ -212,7 +217,7 @@
       "end_date": "2032",
       "ami_qualification": null,
       "eligible": true,
-      "short_description": "30% tax credit (up to $1,200) for weatherization projects: insulation, air sealing, doors, windows, and energy audits. Yearly reset."
+      "short_description": "30% tax credit (up to $1,200) for weatherization projects: insulation, air sealing, doors, windows. Yearly reset."
     },
     {
       "payment_methods": [
@@ -262,6 +267,30 @@
       "ami_qualification": null,
       "eligible": true,
       "short_description": "30% tax credit (up to $600) for electrical panel upgrade when done with another 25C or 25D upgrade. Yearly reset."
+    },
+    {
+      "payment_methods": [
+        "tax_credit"
+      ],
+      "authority_type": "federal",
+      "program": "Federal Energy Efficient Home Improvement Credit (25C)",
+      "program_url": "https://www.irs.gov/credits-deductions/energy-efficient-home-improvement-credit",
+      "more_info_url": "https://homes.rewiringamerica.org/federal-incentives/25c-weatherization-tax-credits",
+      "items": [
+        "energy_audit"
+      ],
+      "amount": {
+        "type": "dollar_amount",
+        "number": 150
+      },
+      "owner_status": [
+        "homeowner"
+      ],
+      "start_date": "2023",
+      "end_date": "2032",
+      "ami_qualification": null,
+      "eligible": true,
+      "short_description": "Tax credit of up to $150 for an energy audit. Yearly reset."
     }
   ]
 }
diff --git a/test/lib/incentives-calculation.test.ts b/test/lib/incentives-calculation.test.ts
index d85d5dee..ea1ed9eb 100644
--- a/test/lib/incentives-calculation.test.ts
+++ b/test/lib/incentives-calculation.test.ts
@@ -40,6 +40,13 @@ const LOCATION_AND_AMIS = {
   ],
 } as const;
 
+const IRA_HVAC_ITEMS =
+  'air_to_water_heat_pump,ducted_heat_pump,ductless_heat_pump';
+const IRA_25C_WEATHERIZATION_ITEMS =
+  'air_sealing,door_replacement,window_replacement,other_insulation';
+const IRA_HEAR_WEATHERIZATION_ITEMS =
+  'air_sealing,other_insulation,other_weatherization';
+
 beforeEach(async t => {
   t.context.db = await open({
     filename: './incentives-api.db',
@@ -167,7 +174,7 @@ test('correctly evaluates scenario "Single w/ $120k Household income in Brooklyn
   );
 
   t.equal(pos_rebate_incentives.length, 7);
-  t.equal(tax_credit_incentives.length, 10);
+  t.equal(tax_credit_incentives.length, 11);
   t.equal(performance_rebate_incentives.length, 1);
 
   // count the incentives by key used to de-dupe in UI:
@@ -188,7 +195,7 @@ test('correctly evaluates scenario "Single w/ $120k Household income in Brooklyn
     true,
   );
 
-  const posRebates = _.keyBy(pos_rebate_incentives, i => i.items[0]);
+  const posRebates = _.keyBy(pos_rebate_incentives, i => i.items.join(','));
   t.equal(posRebates['electric_panel'].eligible, true);
   t.equal(posRebates['electric_panel'].amount.number, 4000);
   t.equal(posRebates['electric_panel'].start_date, '2025');
@@ -201,21 +208,21 @@ test('correctly evaluates scenario "Single w/ $120k Household income in Brooklyn
   t.equal(posRebates['heat_pump_water_heater'].eligible, true);
   t.equal(posRebates['heat_pump_water_heater'].amount.number, 1750);
   t.equal(posRebates['heat_pump_water_heater'].start_date, '2025');
-  t.equal(posRebates['heat_pump_air_conditioner_heater'].eligible, true);
-  t.equal(posRebates['heat_pump_air_conditioner_heater'].amount.number, 8000);
-  t.equal(posRebates['heat_pump_air_conditioner_heater'].start_date, '2025');
+  t.equal(posRebates[IRA_HVAC_ITEMS].eligible, true);
+  t.equal(posRebates[IRA_HVAC_ITEMS].amount.number, 8000);
+  t.equal(posRebates[IRA_HVAC_ITEMS].start_date, '2025');
   t.equal(posRebates['heat_pump_clothes_dryer'].eligible, true);
   t.equal(posRebates['heat_pump_clothes_dryer'].amount.number, 840);
   t.equal(posRebates['heat_pump_clothes_dryer'].start_date, '2025');
-  t.equal(posRebates['weatherization'].eligible, true);
-  t.equal(posRebates['weatherization'].amount.number, 1600);
-  t.equal(posRebates['weatherization'].start_date, '2025');
+  t.equal(posRebates[IRA_HEAR_WEATHERIZATION_ITEMS].eligible, true);
+  t.equal(posRebates[IRA_HEAR_WEATHERIZATION_ITEMS].amount.number, 1600);
+  t.equal(posRebates[IRA_HEAR_WEATHERIZATION_ITEMS].start_date, '2025');
 
   t.equal(performance_rebate_incentives[0].eligible, true);
   t.equal(performance_rebate_incentives[0].amount.number, 4000);
   t.equal(performance_rebate_incentives[0].start_date, '2025');
 
-  const taxCredits = _.keyBy(tax_credit_incentives, i => i.items[0]);
+  const taxCredits = _.keyBy(tax_credit_incentives, i => i.items.join(','));
   t.equal(taxCredits['battery_storage_installation'].eligible, true);
   t.equal(taxCredits['battery_storage_installation'].amount.number, 0.3); // will be displayed as 30%
   t.equal(taxCredits['battery_storage_installation'].start_date, '2023');
@@ -231,9 +238,9 @@ test('correctly evaluates scenario "Single w/ $120k Household income in Brooklyn
   t.equal(taxCredits['new_electric_vehicle'].eligible, true);
   t.equal(taxCredits['new_electric_vehicle'].amount.number, 7500);
   t.equal(taxCredits['new_electric_vehicle'].start_date, '2023');
-  t.equal(taxCredits['heat_pump_air_conditioner_heater'].eligible, true);
-  t.equal(taxCredits['heat_pump_air_conditioner_heater'].amount.number, 2000);
-  t.equal(taxCredits['heat_pump_air_conditioner_heater'].start_date, '2023');
+  t.equal(taxCredits[IRA_HVAC_ITEMS].eligible, true);
+  t.equal(taxCredits[IRA_HVAC_ITEMS].amount.number, 2000);
+  t.equal(taxCredits[IRA_HVAC_ITEMS].start_date, '2023');
   t.equal(taxCredits['heat_pump_water_heater'].eligible, true);
   t.equal(taxCredits['heat_pump_water_heater'].amount.number, 2000);
   t.equal(taxCredits['heat_pump_water_heater'].start_date, '2023');
@@ -241,9 +248,9 @@ test('correctly evaluates scenario "Single w/ $120k Household income in Brooklyn
   t.equal(taxCredits['rooftop_solar_installation'].amount.number, 0.3);
   t.equal(taxCredits['rooftop_solar_installation'].amount.representative, 4770);
   t.equal(taxCredits['rooftop_solar_installation'].start_date, '2022');
-  t.equal(taxCredits['weatherization'].eligible, true);
-  t.equal(taxCredits['weatherization'].amount.number, 1200);
-  t.equal(taxCredits['weatherization'].start_date, '2023');
+  t.equal(taxCredits[IRA_25C_WEATHERIZATION_ITEMS].eligible, true);
+  t.equal(taxCredits[IRA_25C_WEATHERIZATION_ITEMS].amount.number, 1200);
+  t.equal(taxCredits[IRA_25C_WEATHERIZATION_ITEMS].start_date, '2023');
   // everything except used EV should be eligible for tax credit (agi limit is 75k)
   t.equal(taxCredits['used_electric_vehicle'].eligible, false);
   t.equal(taxCredits['used_electric_vehicle'].amount.number, 4000);
@@ -263,7 +270,7 @@ test('correctly evaluates scenario "Married filing jointly w/ 2 kids and $250k H
   t.equal(data.is_over_150_ami, false);
 
   t.equal(data.savings.pos_rebate, 14000);
-  t.equal(data.savings.tax_credit, 29872);
+  t.equal(data.savings.tax_credit, 30022);
   t.equal(data.savings.performance_rebate, 4000);
 
   const pos_rebate_incentives = data.incentives.filter(
@@ -277,7 +284,7 @@ test('correctly evaluates scenario "Married filing jointly w/ 2 kids and $250k H
   );
 
   t.equal(pos_rebate_incentives.length, 7);
-  t.equal(tax_credit_incentives.length, 10);
+  t.equal(tax_credit_incentives.length, 11);
   t.equal(performance_rebate_incentives.length, 1);
 
   // count the incentives by key used to de-dupe in UI:
@@ -298,7 +305,7 @@ test('correctly evaluates scenario "Married filing jointly w/ 2 kids and $250k H
     true,
   );
 
-  const posRebates = _.keyBy(pos_rebate_incentives, i => i.items[0]);
+  const posRebates = _.keyBy(pos_rebate_incentives, i => i.items.join(','));
   t.equal(posRebates['electric_panel'].eligible, true);
   t.equal(posRebates['electric_panel'].amount.number, 4000);
   t.equal(posRebates['electric_panel'].start_date, '2025');
@@ -311,21 +318,21 @@ test('correctly evaluates scenario "Married filing jointly w/ 2 kids and $250k H
   t.equal(posRebates['heat_pump_water_heater'].eligible, true);
   t.equal(posRebates['heat_pump_water_heater'].amount.number, 1750);
   t.equal(posRebates['heat_pump_water_heater'].start_date, '2025');
-  t.equal(posRebates['heat_pump_air_conditioner_heater'].eligible, true);
-  t.equal(posRebates['heat_pump_air_conditioner_heater'].amount.number, 8000);
-  t.equal(posRebates['heat_pump_air_conditioner_heater'].start_date, '2025');
+  t.equal(posRebates[IRA_HVAC_ITEMS].eligible, true);
+  t.equal(posRebates[IRA_HVAC_ITEMS].amount.number, 8000);
+  t.equal(posRebates[IRA_HVAC_ITEMS].start_date, '2025');
   t.equal(posRebates['heat_pump_clothes_dryer'].eligible, true);
   t.equal(posRebates['heat_pump_clothes_dryer'].amount.number, 840);
   t.equal(posRebates['heat_pump_clothes_dryer'].start_date, '2025');
-  t.equal(posRebates['weatherization'].eligible, true);
-  t.equal(posRebates['weatherization'].amount.number, 1600);
-  t.equal(posRebates['weatherization'].start_date, '2025');
+  t.equal(posRebates[IRA_HEAR_WEATHERIZATION_ITEMS].eligible, true);
+  t.equal(posRebates[IRA_HEAR_WEATHERIZATION_ITEMS].amount.number, 1600);
+  t.equal(posRebates[IRA_HEAR_WEATHERIZATION_ITEMS].start_date, '2025');
 
   t.equal(performance_rebate_incentives[0].eligible, true);
   t.equal(performance_rebate_incentives[0].amount.number, 4000);
   t.equal(performance_rebate_incentives[0].start_date, '2025');
 
-  const taxCredits = _.keyBy(tax_credit_incentives, i => i.items[0]);
+  const taxCredits = _.keyBy(tax_credit_incentives, i => i.items.join(','));
   t.equal(taxCredits['battery_storage_installation'].eligible, true);
   t.equal(taxCredits['battery_storage_installation'].amount.number, 0.3); // will be displayed as 30%
   t.equal(taxCredits['battery_storage_installation'].start_date, '2023');
@@ -341,9 +348,9 @@ test('correctly evaluates scenario "Married filing jointly w/ 2 kids and $250k H
   t.equal(taxCredits['new_electric_vehicle'].eligible, true);
   t.equal(taxCredits['new_electric_vehicle'].amount.number, 7500);
   t.equal(taxCredits['new_electric_vehicle'].start_date, '2023');
-  t.equal(taxCredits['heat_pump_air_conditioner_heater'].eligible, true);
-  t.equal(taxCredits['heat_pump_air_conditioner_heater'].amount.number, 2000);
-  t.equal(taxCredits['heat_pump_air_conditioner_heater'].start_date, '2023');
+  t.equal(taxCredits[IRA_HVAC_ITEMS].eligible, true);
+  t.equal(taxCredits[IRA_HVAC_ITEMS].amount.number, 2000);
+  t.equal(taxCredits[IRA_HVAC_ITEMS].start_date, '2023');
   t.equal(taxCredits['heat_pump_water_heater'].eligible, true);
   t.equal(taxCredits['heat_pump_water_heater'].amount.number, 2000);
   t.equal(taxCredits['heat_pump_water_heater'].start_date, '2023');
@@ -351,9 +358,9 @@ test('correctly evaluates scenario "Married filing jointly w/ 2 kids and $250k H
   t.equal(taxCredits['rooftop_solar_installation'].amount.number, 0.3);
   t.equal(taxCredits['rooftop_solar_installation'].amount.representative, 4572);
   t.equal(taxCredits['rooftop_solar_installation'].start_date, '2022');
-  t.equal(taxCredits['weatherization'].eligible, true);
-  t.equal(taxCredits['weatherization'].amount.number, 1200);
-  t.equal(taxCredits['weatherization'].start_date, '2023');
+  t.equal(taxCredits[IRA_25C_WEATHERIZATION_ITEMS].eligible, true);
+  t.equal(taxCredits[IRA_25C_WEATHERIZATION_ITEMS].amount.number, 1200);
+  t.equal(taxCredits[IRA_25C_WEATHERIZATION_ITEMS].start_date, '2023');
   // everything except used EV should be eligible for tax credit (agi limit is 75k)
   t.equal(taxCredits['used_electric_vehicle'].eligible, false);
   t.equal(taxCredits['used_electric_vehicle'].amount.number, 4000);
@@ -373,7 +380,7 @@ test('correctly evaluates scenario "Hoh w/ 6 kids and $500k Household income in
   t.equal(data.is_over_150_ami, true);
 
   t.equal(data.savings.pos_rebate, 0);
-  t.equal(data.savings.tax_credit, 22228.9);
+  t.equal(data.savings.tax_credit, 22378.9);
   t.equal(data.savings.performance_rebate, 4000);
 
   const pos_rebate_incentives = data.incentives.filter(
@@ -387,7 +394,7 @@ test('correctly evaluates scenario "Hoh w/ 6 kids and $500k Household income in
   );
 
   t.equal(pos_rebate_incentives.length, 7);
-  t.equal(tax_credit_incentives.length, 10);
+  t.equal(tax_credit_incentives.length, 11);
   t.equal(performance_rebate_incentives.length, 1);
 
   // count the incentives by key used to de-dupe in UI:
@@ -408,7 +415,7 @@ test('correctly evaluates scenario "Hoh w/ 6 kids and $500k Household income in
     true,
   );
 
-  const posRebates = _.keyBy(pos_rebate_incentives, i => i.items[0]);
+  const posRebates = _.keyBy(pos_rebate_incentives, i => i.items.join(','));
   t.equal(posRebates['electric_panel'].eligible, false);
   t.equal(posRebates['electric_panel'].amount.number, 4000);
   t.equal(posRebates['electric_panel'].start_date, '2025');
@@ -421,22 +428,22 @@ test('correctly evaluates scenario "Hoh w/ 6 kids and $500k Household income in
   t.equal(posRebates['heat_pump_water_heater'].eligible, false);
   t.equal(posRebates['heat_pump_water_heater'].amount.number, 1750);
   t.equal(posRebates['heat_pump_water_heater'].start_date, '2025');
-  t.equal(posRebates['heat_pump_air_conditioner_heater'].eligible, false);
-  t.equal(posRebates['heat_pump_air_conditioner_heater'].amount.number, 8000);
-  t.equal(posRebates['heat_pump_air_conditioner_heater'].start_date, '2025');
+  t.equal(posRebates[IRA_HVAC_ITEMS].eligible, false);
+  t.equal(posRebates[IRA_HVAC_ITEMS].amount.number, 8000);
+  t.equal(posRebates[IRA_HVAC_ITEMS].start_date, '2025');
   t.equal(posRebates['heat_pump_clothes_dryer'].eligible, false);
   t.equal(posRebates['heat_pump_clothes_dryer'].amount.number, 840);
   t.equal(posRebates['heat_pump_clothes_dryer'].start_date, '2025');
-  t.equal(posRebates['weatherization'].eligible, false);
-  t.equal(posRebates['weatherization'].amount.number, 1600);
-  t.equal(posRebates['weatherization'].start_date, '2025');
+  t.equal(posRebates[IRA_HEAR_WEATHERIZATION_ITEMS].eligible, false);
+  t.equal(posRebates[IRA_HEAR_WEATHERIZATION_ITEMS].amount.number, 1600);
+  t.equal(posRebates[IRA_HEAR_WEATHERIZATION_ITEMS].start_date, '2025');
 
   // only items.efficiency_rebates are eligible here:
   t.equal(performance_rebate_incentives[0].eligible, true);
   t.equal(performance_rebate_incentives[0].amount.number, 4000);
   t.equal(performance_rebate_incentives[0].start_date, '2025');
 
-  const taxCredits = _.keyBy(tax_credit_incentives, i => i.items[0]);
+  const taxCredits = _.keyBy(tax_credit_incentives, i => i.items.join(','));
   t.equal(taxCredits['battery_storage_installation'].eligible, true);
   t.equal(taxCredits['battery_storage_installation'].amount.number, 0.3); // will be displayed as 30%
   t.equal(taxCredits['battery_storage_installation'].start_date, '2023');
@@ -449,9 +456,9 @@ test('correctly evaluates scenario "Hoh w/ 6 kids and $500k Household income in
   t.equal(taxCredits['electric_vehicle_charger'].eligible, false);
   t.equal(taxCredits['electric_vehicle_charger'].amount.number, 1000);
   t.equal(taxCredits['electric_vehicle_charger'].start_date, '2023');
-  t.equal(taxCredits['heat_pump_air_conditioner_heater'].eligible, true);
-  t.equal(taxCredits['heat_pump_air_conditioner_heater'].amount.number, 2000);
-  t.equal(taxCredits['heat_pump_air_conditioner_heater'].start_date, '2023');
+  t.equal(taxCredits[IRA_HVAC_ITEMS].eligible, true);
+  t.equal(taxCredits[IRA_HVAC_ITEMS].amount.number, 2000);
+  t.equal(taxCredits[IRA_HVAC_ITEMS].start_date, '2023');
   t.equal(taxCredits['heat_pump_water_heater'].eligible, true);
   t.equal(taxCredits['heat_pump_water_heater'].amount.number, 2000);
   t.equal(taxCredits['heat_pump_water_heater'].start_date, '2023');
@@ -462,9 +469,9 @@ test('correctly evaluates scenario "Hoh w/ 6 kids and $500k Household income in
     4428.9,
   );
   t.equal(taxCredits['rooftop_solar_installation'].start_date, '2022');
-  t.equal(taxCredits['weatherization'].eligible, true);
-  t.equal(taxCredits['weatherization'].amount.number, 1200);
-  t.equal(taxCredits['weatherization'].start_date, '2023');
+  t.equal(taxCredits[IRA_25C_WEATHERIZATION_ITEMS].eligible, true);
+  t.equal(taxCredits[IRA_25C_WEATHERIZATION_ITEMS].amount.number, 1200);
+  t.equal(taxCredits[IRA_25C_WEATHERIZATION_ITEMS].start_date, '2023');
   // new and used EVs should not be eligible:
   t.equal(taxCredits['new_electric_vehicle'].eligible, false);
   t.equal(taxCredits['new_electric_vehicle'].amount.number, 7500);
@@ -699,10 +706,10 @@ test('correctly excludes IRA rebates', async t => {
     true,
   );
 
-  t.equal(data.incentives.length, 10);
+  t.equal(data.incentives.length, 11);
   t.equal(
     data.incentives.filter(i => i.payment_methods[0] === 'tax_credit').length,
-    10,
+    11,
   );
   t.equal(data.savings.pos_rebate, 0);
   t.equal(data.savings.performance_rebate, 0);