diff --git a/apps/taiga-lumbermill/src/dashboards/iot/components/Cost/cost.component.html b/apps/taiga-lumbermill/src/dashboards/iot/components/Cost/cost.component.html
index 110fefdca..08a40d872 100644
--- a/apps/taiga-lumbermill/src/dashboards/iot/components/Cost/cost.component.html
+++ b/apps/taiga-lumbermill/src/dashboards/iot/components/Cost/cost.component.html
@@ -23,13 +23,13 @@
         <div class="flex">
             <tui-axes
                 class="axes"
-                [axisXLabels]="costService.costData.labelsX"
-                [axisYLabels]="costService.costData.labelsY"
+                [axisXLabels]="costService.labelsX"
+                [axisYLabels]="costService.labelsY"
             >
                 <tui-bar-chart
                     [max]="10000"
-                    [tuiHintContent]="costService.hint"
-                    [value]="costService.costData.value"
+                    [tuiHintContent]="hint"
+                    [value]="costService.value"
                 />
             </tui-axes>
         </div>
diff --git a/apps/taiga-lumbermill/src/dashboards/iot/components/Cost/cost.component.ts b/apps/taiga-lumbermill/src/dashboards/iot/components/Cost/cost.component.ts
index ac814e76e..11d9a56ff 100644
--- a/apps/taiga-lumbermill/src/dashboards/iot/components/Cost/cost.component.ts
+++ b/apps/taiga-lumbermill/src/dashboards/iot/components/Cost/cost.component.ts
@@ -2,7 +2,8 @@ import {CommonModule} from '@angular/common';
 import {ChangeDetectionStrategy, Component, inject} from '@angular/core';
 import {FormsModule} from '@angular/forms';
 import {TuiAxes, TuiBarChart} from '@taiga-ui/addon-charts';
-import {TuiAppearance, TuiHint} from '@taiga-ui/core';
+import type {TuiContext} from '@taiga-ui/cdk';
+import {TuiAppearance, tuiFormatNumber, TuiHint} from '@taiga-ui/core';
 import {TuiDataListWrapper} from '@taiga-ui/kit';
 import {TuiCardLarge} from '@taiga-ui/layout';
 import {TuiSelectModule} from '@taiga-ui/legacy';
@@ -29,5 +30,9 @@ import {CostService} from './cost.service';
     changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class CostComponent {
-    protected costService = inject(CostService);
+    protected costService = inject(CostService).costData;
+    protected hint = ({$implicit}: TuiContext<number>): string =>
+        this.costService.value
+            .reduce((result, set) => `${result}$${tuiFormatNumber(set[$implicit])}\n`, '')
+            .trim();
 }
diff --git a/apps/taiga-lumbermill/src/dashboards/iot/components/Cost/cost.service.ts b/apps/taiga-lumbermill/src/dashboards/iot/components/Cost/cost.service.ts
index be5fa416b..eb57d9ffe 100644
--- a/apps/taiga-lumbermill/src/dashboards/iot/components/Cost/cost.service.ts
+++ b/apps/taiga-lumbermill/src/dashboards/iot/components/Cost/cost.service.ts
@@ -1,11 +1,9 @@
 import {Injectable} from '@angular/core';
-import type {TuiContext} from '@taiga-ui/cdk';
-import {tuiFormatNumber} from '@taiga-ui/core';
 
 interface CostData {
-    value: number[][];
-    labelsX: string[];
-    labelsY: string[];
+    readonly value: number[][];
+    readonly labelsX: string[];
+    readonly labelsY: string[];
 }
 
 const INITIAL_DATA: CostData = {
@@ -22,8 +20,4 @@ const INITIAL_DATA: CostData = {
 })
 export class CostService {
     public readonly costData = INITIAL_DATA;
-    public hint = ({$implicit}: TuiContext<number>): string =>
-        this.costData.value
-            .reduce((result, set) => `${result}$${tuiFormatNumber(set[$implicit])}\n`, '')
-            .trim();
 }
diff --git a/apps/taiga-lumbermill/src/dashboards/iot/components/Lighting/lighting.component.html b/apps/taiga-lumbermill/src/dashboards/iot/components/Lighting/lighting.component.html
index b155b56e0..c160de0ad 100644
--- a/apps/taiga-lumbermill/src/dashboards/iot/components/Lighting/lighting.component.html
+++ b/apps/taiga-lumbermill/src/dashboards/iot/components/Lighting/lighting.component.html
@@ -28,7 +28,7 @@
                     [formControl]="control"
                     [style.display]="'none'"
                 />
-                {{ lightingService.lightingData[ind].room }}
+                {{ lightingService[ind].room }}
             </div>
             <tui-icon
                 alt=""
diff --git a/apps/taiga-lumbermill/src/dashboards/iot/components/Lighting/lighting.component.ts b/apps/taiga-lumbermill/src/dashboards/iot/components/Lighting/lighting.component.ts
index 2caadc067..ed01e7e21 100644
--- a/apps/taiga-lumbermill/src/dashboards/iot/components/Lighting/lighting.component.ts
+++ b/apps/taiga-lumbermill/src/dashboards/iot/components/Lighting/lighting.component.ts
@@ -29,8 +29,8 @@ import {LightingService} from './lighting.service';
     changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class LightingComponent {
-    protected lightingService = inject(LightingService);
+    protected lightingService = inject(LightingService).lightingData;
     protected lightingForm = new FormArray(
-        this.lightingService.lightingData.map((item) => new FormControl(item.state)),
+        this.lightingService.map((item) => new FormControl(item.state)),
     );
 }
diff --git a/apps/taiga-lumbermill/src/dashboards/iot/components/Safety/safety.component.html b/apps/taiga-lumbermill/src/dashboards/iot/components/Safety/safety.component.html
index c515e0887..5d43a0bf7 100644
--- a/apps/taiga-lumbermill/src/dashboards/iot/components/Safety/safety.component.html
+++ b/apps/taiga-lumbermill/src/dashboards/iot/components/Safety/safety.component.html
@@ -20,7 +20,7 @@
             *ngFor="let control of safetyForm['controls']; let ind = index"
             tuiBlock
         >
-            {{ safetyService.safetyData[ind].name }}
+            {{ safetyService[ind].name }}
             <input
                 tuiCheckbox
                 type="checkbox"
diff --git a/apps/taiga-lumbermill/src/dashboards/iot/components/Safety/safety.component.ts b/apps/taiga-lumbermill/src/dashboards/iot/components/Safety/safety.component.ts
index 00c08e880..b840fd6ea 100644
--- a/apps/taiga-lumbermill/src/dashboards/iot/components/Safety/safety.component.ts
+++ b/apps/taiga-lumbermill/src/dashboards/iot/components/Safety/safety.component.ts
@@ -26,8 +26,8 @@ import {SafetyService} from './safety.service';
     changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class SafetyComponent {
-    protected safetyService = inject(SafetyService);
+    protected safetyService = inject(SafetyService).safetyData;
     protected safetyForm = new FormArray(
-        this.safetyService.safetyData.map((item) => new FormControl(item.state)),
+        this.safetyService.map((item) => new FormControl(item.state)),
     );
 }
diff --git a/apps/taiga-lumbermill/src/dashboards/iot/components/climate-control/climate-control.component.html b/apps/taiga-lumbermill/src/dashboards/iot/components/climate-control/climate-control.component.html
index 029be1116..5842bb235 100644
--- a/apps/taiga-lumbermill/src/dashboards/iot/components/climate-control/climate-control.component.html
+++ b/apps/taiga-lumbermill/src/dashboards/iot/components/climate-control/climate-control.component.html
@@ -13,7 +13,7 @@
     </header>
     <div class="group">
         <tui-input-number
-            *ngFor="let input of climateControlService.climateControlData"
+            *ngFor="let input of climateControlService"
             [(ngModel)]="input.value"
         >
             {{ input.name }}
diff --git a/apps/taiga-lumbermill/src/dashboards/iot/components/climate-control/climate-control.component.ts b/apps/taiga-lumbermill/src/dashboards/iot/components/climate-control/climate-control.component.ts
index 8beb359b2..52f0f3864 100644
--- a/apps/taiga-lumbermill/src/dashboards/iot/components/climate-control/climate-control.component.ts
+++ b/apps/taiga-lumbermill/src/dashboards/iot/components/climate-control/climate-control.component.ts
@@ -30,5 +30,5 @@ import {ClimateControlService} from './climate-control.service';
     ],
 })
 export class ClimateControlComponent {
-    protected climateControlService = inject(ClimateControlService);
+    protected climateControlService = inject(ClimateControlService).climateControlData;
 }
diff --git a/apps/taiga-lumbermill/src/dashboards/iot/components/control-panel/control-panel.component.html b/apps/taiga-lumbermill/src/dashboards/iot/components/control-panel/control-panel.component.html
index 4c5e3be39..585ef57c6 100644
--- a/apps/taiga-lumbermill/src/dashboards/iot/components/control-panel/control-panel.component.html
+++ b/apps/taiga-lumbermill/src/dashboards/iot/components/control-panel/control-panel.component.html
@@ -1,16 +1,9 @@
-<div
-    *ngFor="let i of controlPanelService.controlPanelData; let ind = index"
-    [ngClass]="{
-        LastCard:
-            ind == controlPanelService.controlPanelData.length - 1 &&
-            controlPanelService.controlPanelData.length % 2 == 1,
-    }"
->
+<div *ngFor="let i of controlPanelService; let ind = index">
     <button
         tuiCardLarge
         tuiHeader
         tuiSurface="elevated"
-        class="buttonCard"
+        class="button-card"
     >
         <aside tuiAccessories>
             <tui-avatar
diff --git a/apps/taiga-lumbermill/src/dashboards/iot/components/control-panel/control-panel.component.less b/apps/taiga-lumbermill/src/dashboards/iot/components/control-panel/control-panel.component.less
index 449df4caa..1adb8409b 100644
--- a/apps/taiga-lumbermill/src/dashboards/iot/components/control-panel/control-panel.component.less
+++ b/apps/taiga-lumbermill/src/dashboards/iot/components/control-panel/control-panel.component.less
@@ -18,7 +18,7 @@
     margin-bottom: auto;
 }
 
-.buttonCard {
+.button-card {
     max-width: max-content;
     padding-right: 1.75rem;
     gap: 1rem;
@@ -35,7 +35,7 @@
     }
 }
 
-.LastCard {
+div:last-child {
     grid-column-end: 3;
     grid-column-start: 1;
 }
diff --git a/apps/taiga-lumbermill/src/dashboards/iot/components/control-panel/control-panel.component.ts b/apps/taiga-lumbermill/src/dashboards/iot/components/control-panel/control-panel.component.ts
index 0b50b53c9..a56310d29 100644
--- a/apps/taiga-lumbermill/src/dashboards/iot/components/control-panel/control-panel.component.ts
+++ b/apps/taiga-lumbermill/src/dashboards/iot/components/control-panel/control-panel.component.ts
@@ -26,5 +26,5 @@ import {ControlPanelService} from './control-panel.service';
     changeDetection: ChangeDetectionStrategy.OnPush,
 })
 export class ControlPanelComponent {
-    protected controlPanelService = inject(ControlPanelService);
+    protected controlPanelService = inject(ControlPanelService).controlPanelData;
 }