Zehnder · Decentralised
Zehnder ComfoAir 70
Decentralised heat recovery unit for single rooms and small zones.
Overview
The ComfoAir 70 is a decentralised heat recovery ventilation unit for single rooms and small zones, providing balanced ventilation with heat recovery without the need for a central unit and full duct network.
Key features
- Decentralised heat recovery for single rooms
- Compact, low-energy operation
- Suited to retrofits and small zones
- Optional sensor-based demand control
Suitable applications
- Single rooms and small zones
- Retrofits and renovations
- Spaces where a central unit isn't practical
Technical specifications
| Type | Decentralised MVHR |
|---|---|
| Control | Optional demand-based sensor control |
Headline figures — see the datasheet for full performance and dimensional data.
Downloads
Filters & maintenance
Clean filters keep incoming air fresh, protect the heat exchanger and keep the unit running efficiently. Most units need replacement filters every 6–12 months depending on the model and local air quality. We supply the correct filter sets for the Zehnder ComfoAir 70.
Replacement filters →FAQs
Can the ComfoAir 70 run automatically?
How often should the filters be replaced?
Do you service units you didn't install?
Book a service
Service or commission your Zehnder ComfoAir 70
Annual servicing, filter replacement, commissioning and diagnostics across South Australia — including units we didn’t install.