Airrex
AH-300i
Diesel-fuelled infrared space heater with wifi control
Last reviewed 9 November 2026

Where to hire or buy the Airrex AH-300i
Specifications
| Heat output | 15kW (51,000 BTU/hr) |
| Fuel | Diesel |
| Coverage | Up to 1500m3 in a ventilated space |
| Control | Wi-Fi / 4G smartphone connectivity plus thermostat |
| Pump | Battery-powered fuel pump included |
Figures taken from an established dealer: source. Specifications change by model year and configuration - confirm with the supplier before relying on them.
Who uses it
A mid-sized diesel infrared heater built for sheds, workshops and large tents where mains gas or ducted warm air is not practical. Its wifi control lets a site manager start it before arriving on a cold morning.
Looking for one?
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Airrex suppliersGetBrent is an independent directory and is not a dealer for, nor affiliated with, Airrex. Model and brand names are the trademarks of their owners, used here only to identify the products they refer to.
