# Heat Recover Controller

> Unofficial app for controlling RECUAIR DC40 heat recovery units.

Canonical page: [https://chrome-stats.com/d/cz.atomsoft.dc40.remote](https://chrome-stats.com/d/cz.atomsoft.dc40.remote)

## Overview

- **ID:** `cz.atomsoft.dc40.remote`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Tomáš Procházka
- **Category:** HOUSE\_AND\_HOME
- **Version:** 1.0.0
- **Last updated:** 2026-09-10
- **First published:** 2026-09-09
- **Publisher country:** CZ
- **Size:** 6.32 MB
- **Data as of:** 2026-09-26
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=cz.atomsoft.dc40.remote)
- **Privacy policy:** [https://tprochazka.github.io/recuair-dc40-remote-demo/privacy-policy.html](https://tprochazka.github.io/recuair-dc40-remote-demo/privacy-policy.html)

## Description

Unofficial app for controlling RECUAIR DC40 heat recovery units.<br><br>The app works only on a local Wi-Fi network.<br>Your phone/tablet and the units must be connected to the same network.<br>No account is required.<br><br>The app also supports Wear OS watches, which communicate with the units through the phone.<br><br>The app lets you:<br>• see the status of all units at once and control them in bulk<br>• view CO₂, temperature, humidity, ventilation power and filter status<br>• switch between automatic, manual, bypass and holiday modes<br>• adjust manual ventilation and ambient lighting<br>• rename units, choose room icons and change their order<br>• customize outside-temperature cards<br><br>No account is required, and the app does not send unit data, settings or diagnostics to the developer or to a cloud service operated by the developer.<br>Live data requires a compatible unit and a Wi-Fi network that allows direct communication between the phone and the unit.<br>You can explore the interface in DEMO mode even without a discovered unit.<br><br>Guest networks, client isolation or some router settings may prevent discovery and direct communication.<br><br>This independent third-party app is not affiliated with the manufacturer of these units or with their official app, and is not approved or supported by either.

## Rankings

- #3,254,564 — Overall

## Permissions and access

### Permissions

- `android.permission.CHANGE_WIFI_MULTICAST_STATE`
- `android.permission.INTERNET`
- `com.android.vending.CHECK_LICENSE`
- `cz.atomsoft.dc40.remote.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/cz.atomsoft.dc40.remote)