Head to head
Airrex AH-300i vs Shindaiwa ECO 300
The Airrex AH-300i is a diesel-fuelled infrared space heater with wifi control. The Shindaiwa ECO 300 is a diesel welder generator.
Last reviewed 13 September 2026
Specifications side by side
| Airrex AH-300i | Shindaiwa ECO 300 | |
|---|---|---|
| Fuel | Diesel | Diesel |
| Heat output | 15kW (51,000 BTU/hr) | - |
| Coverage | Up to 1500m3 in a ventilated space | - |
| Control | Wi-Fi / 4G smartphone connectivity plus thermostat | - |
| Pump | Battery-powered fuel pump included | - |
| Function | - | Combined arc welder and generator |
Sources: Airrex AH-300i, Shindaiwa ECO 300. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the AH-300i if...
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.
Listed by
- Cambrian Plant Sales - Cardiff
Buy or hire the ECO 300 if...
A portable diesel welder-generator used by site welders and fabricators to weld and run power tools on sites without a mains supply. It combines two machines a smaller contractor would otherwise hire separately.
Listed by
- V Plant Sales - Bridgnorth, Acton Round
Common questions
What is the difference between the Airrex AH-300i and the Shindaiwa ECO 300?
The Airrex AH-300i is a diesel-fuelled infrared space heater with wifi control; the Shindaiwa ECO 300 is a diesel welder generator.
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