Aerofresh 450
The larger Aerofresh unit — up to 90% heat recovery and higher airflow for bigger homes.
Overview
The Aerofresh 450 is the larger Aerofresh centralised heat recovery unit, delivering higher airflow than the Aerofresh 300 for bigger homes. It shares the same up-to-90% counter-flow exchanger, G4/F7 filtration, automatic summer bypass, frost protection to −20°C and app/LCD control, and is Passivhaus certified and tested to BS EN 13141-7:2010.
Key features
- Up to 90% heat recovery via a high-efficiency counter-flow exchanger
- Higher airflow than the Aerofresh 300 for larger homes
- Smart control via on-board LCD and iOS/Android app
- G4 and F7 filtration as standard
- Fully automatic summer bypass
- Active frost protection to −20°C
- Passivhaus certified; tested to BS EN 13141-7:2010
Suitable applications
- Medium to large new homes
- High-performance and Passivhaus builds
- Semi-rigid or branched flexible duct installations
Technical specifications
| Maximum airflow | Up to ~450 m³/h |
|---|---|
| Heat recovery efficiency | Up to 90% |
| Heat exchanger | Counter-flow |
| Weight | 50 kg |
| Duct connections | 4 × ø160 mm spigots |
| Condensate | 32 mm drain connection |
| Fans | EC |
| Filters | Extract G4, Supply G4 (F7 optional) |
| Power supply | 220–240 V |
| Frost protection | Active to −20°C |
| Certification | Passivhaus certified; BS EN 13141-7:2010 |
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 Aerofresh 450.
Replacement filters →FAQs
Service or commission your Aerofresh 450
Annual servicing, filter replacement, commissioning and diagnostics across South Australia — including units we didn’t install.