Airrex AH900i heater
Exceptional heating power. Advanced technology. Built for the biggest spaces.
The AIRREX AH-900i is the flagship of the AIRREX infrared heating range, delivering an impressive 24kW of heating power and capable of heating spaces up to 2,500m³. Designed for demanding commercial and industrial environments, it is the ideal solution for large vehicle workshops, warehouses, factories, agricultural buildings and industrial units.
Featuring advanced Blue Flame Burner technology , the AH-900i produces powerful, direct infrared heat that warms people, vehicles, machinery and surrounding surfaces rather than simply heating the air. This helps reduce unnecessary air movement and dust circulation, creating a more comfortable working environment.
Its intelligent Dual Power system allows you to select between 19kW and 24kW, giving you greater control over heating performance and fuel consumption. Combined with a generous 70-litre fuel tank, automatic thermostat and impressive fuel efficiency, it delivers dependable warmth without unnecessary running costs.
The AH-900i also features built-in Wi-Fi connectivity, allowing convenient remote operation through the Rex Nordic smartphone app. Its quiet operation, portable design and advanced safety features make it an outstanding choice for businesses that demand serious heating performance.
Technical specifications
MAXIMUM HEAT OUTPUT
24kW
HEATING CAPACITY
2,500m³
FUEL TANK
70 litres
OPERATING NOISE
48dB
| Specification |
Details |
|---|---|
| Manufacturer |
AIRREX |
| Model |
AH-900i |
| Heater type |
Diesel infrared heater |
| Heating output |
19kW / 24kW |
| Maximum heating volume |
2,500m³ |
| Burner technology |
Blue Flame Burner |
| Fuel type |
Diesel / HVO100 |
| Fuel consumption |
1.81–2.30 litres/hour |
| Fuel tank capacity |
70 litres |
| Electrical supply |
230V / 50Hz |
| Maximum electrical consumption |
60W |
| Noise level |
Approx. 48dB |
| Thermostat range |
0–40°C |
| Dimensions (W × D × H) |
1,300 × 350 × 1,400mm |
| Weight |
81kg |
| Control system |
Digital LED control panel |
| Connectivity |
Built-in Wi-Fi |
| Smartphone control |
Rex Nordic app |
| Timer |
24-hour stop timer and 5–60 minute interval timer |
| Mobility |
Portable design with wheels |
Manufacturer specifications:
Key features and benefits
- Dual Power Technology: Selectable 19kW or 24kW output to suit your heating requirements.
- Blue Flame Burner: Advanced burner technology designed for cleaner combustion and low emissions.
- Smart Wi-Fi Control: Control and monitor your heater remotely using the Rex Nordic smartphone app.
- 70-Litre Fuel Tank: Generous capacity for extended operating periods.
- Infrared Heating Technology: Directly warms people, equipment and surfaces rather than relying on circulating hot air.
- Quiet Performance: Approximately 48dB operating noise.
- Automatic Thermostat: Maintains your chosen temperature between 0°C and 40°C.
- Advanced Safety Features: Includes tilt detection, overheating protection and automatic shutdown.
- HVO100 Compatible: Can operate using renewable HVO100 diesel as well as conventional diesel.
Ideal applications
- Large automotive workshops and commercial garages.
- Industrial units and manufacturing facilities.
- Warehouses and distribution centres.
- Agricultural buildings and machinery workshops.
- Aircraft hangars and large storage facilities.
- Construction sites and maintenance facilities.
Important: The heater must be operated with appropriate ventilation and in accordance with the manufacturer's installation and operating instructions.
My verdict
The AIRREX AH-900i is an absolute powerhouse of a heater, designed for businesses that need serious heating performance. With 24kW of infrared heating, a huge 70-litre fuel tank, intelligent Wi-Fi control and advanced Blue Flame technology, it offers an impressive combination of power, efficiency and convenience.
If you're looking to heat a large workshop, warehouse or industrial premises, the AH-900i is a premium heating solution that delivers on performance, practicality and reliability.
