Retrofit basement ventilation – it's this easy
Everything you need: sensor, smart plug, and fan. From €65 complete, no electrician needed.
3 ways to ventilate your basement
From the simplest setup to a permanent solution – choose what fits your basement.
Window Solution
Place an inline fan in a tilted basement window and plug into a smart plug. Done.
Window Panel
Cut a plexiglass or wood panel as a window adapter and insert the inline fan. Window stays closed.
Wall Penetration
100mm core drill through the basement wall, permanently install an inline fan. The cleanest permanent solution.
Shopping List
All products are available on Amazon. Pick your setup.
Setup with Shelly
Shelly H&T Gen3 (Indoor Sensor)
Measures temperature and humidity. Connects directly with the Breeqo app.
Shelly Plug S (Smart Plug)
Automatically switches the fan on and off. WiFi-controlled.
Outdoor Sensor: Open-Meteo (free)
Weather data is automatically fetched by location. No extra sensor needed.
Setup with SwitchBot
SwitchBot Meter Plus (Indoor Sensor)
Temperature and humidity sensor for the SwitchBot ecosystem.
SwitchBot Hub Mini (Gateway)
Connects SwitchBot devices to the cloud. Required for API control.
SwitchBot Plug Mini (Smart Plug)
Switches the fan automatically. Compact and energy-efficient.
Outdoor Sensor: Open-Meteo (free)
Weather data is automatically fetched by location. No extra sensor needed.
Fan (for both setups)
Inline Fan 100mm with EU Plug
Hon&Guan or similar. Quiet (26–45 dB), just plug in.
Inline Fan 150mm with EU Plug
For larger basements. Higher airflow (up to 350 m³/h).
10x cheaper than the competition
Traditional dew point controllers cost €900–€1,600. With Breeqo and smart home sensors, you get the same result from €65.
| Feature | Breeqo + Shelly | Traditional Systems |
|---|---|---|
| Sensors | Shelly / SwitchBot (from €25) | Proprietary sensors |
| Control | Smart Plug (from €15) | Dedicated controller |
| App & Dashboard | Web app + Push | Display on device only |
| Notifications | Email & Push | None |
| Trend Forecast | 6h forecast (Pro) | None |
| Price | From €65 one-time + app free | €900–€1,600 |
Ready? Up and running in 10 minutes.
Sign up for free, connect your sensors, and your basement will be ventilated automatically.
No subscription required · Free plan available
Frequently Asked Questions
Which fan do I need?+
For most basements, a 100mm inline fan (approx. 150–200 m³/h) is sufficient. For larger basements or multiple rooms, we recommend 150mm.
Is a tilted window enough?+
Yes, for getting started, an inline fan in a tilted basement window works very well. For a permanent solution, we recommend a window panel or wall penetration.
Can I do the wall penetration myself?+
Yes, with a rented core drill (approx. €50/day at a hardware store) it's quite doable. Alternatively, a tradesperson can do the drilling for around €100–200.
Shelly or SwitchBot – which is better?+
Both work perfectly with Breeqo. Shelly is slightly cheaper and doesn't need a gateway. SwitchBot offers a broader ecosystem with bots and cameras.
Do I need an outdoor sensor?+
No, Breeqo automatically uses Open-Meteo weather data for your location. A dedicated outdoor sensor is optional but not necessary.
How much does the app cost?+
The basic plan is permanently free (1 location, 1 room). The Pro plan (€4.99/month) offers unlimited rooms, trend forecasts, and push notifications.