# 4Ventio

> Carel HEolus/kVent heat recovery control – at home and online

Canonical page: [https://chrome-stats.com/d/pl.a11controller.ventio](https://chrome-stats.com/d/pl.a11controller.ventio)

## Overview

- **ID:** `pl.a11controller.ventio`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** DIGI-SYSTEM
- **Category:** HOUSE\_AND\_HOME
- **Downloads:** 6
- **Last updated:** 2026-10-20
- **First published:** 2026-10-04
- **Publisher country:** PL
- **Data as of:** 2026-10-25
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=pl.a11controller.ventio)
- **Website:** [https://ventio.a11controller.pl/](https://ventio.a11controller.pl/)
- **Privacy policy:** [https://ventio.a11controller.pl/privacy.html](https://ventio.a11controller.pl/privacy.html)

## Description

VENTIO is an application for controlling ventilation units (recuperators) with Carel HEolus OEM/kVent OEM automation. It works with the VENTIO module, which connects to the unit via Modbus (RS485 or LAN), and to the application via a home network or the internet. LIVE VIEW<br>• Heat recovery unit diagram with intake, supply, exhaust, and exhaust temperatures<br>• Control of the heater, cooler, heat recovery, and bypass<br>• Supply and exhaust fan operation as a percentage<br>• Communication status with the air handling unit, cloud, and local network<br><br>CONTROL<br>• Eco, PreComfort, and Comfort operating modes, as well as Stop with a single touch<br>• Changing the current mode&#39;s setpoint temperature<br>• Settings for each mode: temperature, supply and exhaust airflow<br>• The module automatically selects the appropriate setpoint temperature register (supply or room) according to the air handling unit&#39;s configuration<br>SCHEDULE<br>• Up to 8 settings for each day of the week – operating mode and temperature from the selected time<br>• Copying a day to other days with a single button<br>• The schedule works within the module itself, even without internet or phone connection<br><br>ALARMS<br>• Active air handling unit alarms visible on the main screen<br>• History of the last 20 alarms with the date of occurrence and resolution<br><br>AT HOME OUTSIDE<br>• In the home network, the app connects to the module directly<br>• Outside the home – via an encrypted cloud connection<br>• Switching is automatic; the app automatically finds the module when its network address changes<br><br>SIMPLE PAIRING AND SHARING<br>• Search for modules in the local network<br>• Multiple devices in one app, with their own names<br>• Share control with other household members via QR code

## Rankings

- #3,153,401 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/pl.a11controller.ventio)