Head to head
Airrex AH-300i vs Bona Natural Primer
The Airrex AH-300i is a diesel-fuelled infrared space heater with wifi control. The Bona Natural Primer is a waterborne primer that preserves a wood floor's natural, untinted look.
Last reviewed 13 September 2026
Specifications side by side
| Airrex AH-300i | Bona Natural Primer | |
|---|---|---|
| Coverage | Up to 1500m3 in a ventilated space | 10-12m2 per litre per coat |
| Heat output | 15kW (51,000 BTU/hr) | - |
| Fuel | Diesel | - |
| Control | Wi-Fi / 4G smartphone connectivity plus thermostat | - |
| Pump | Battery-powered fuel pump included | - |
| Drying time | - | 1-2 hours at 20C/60% RH |
| VOC | - | below 3% |
| Pack size | - | 5 litre can, 3 cans per box |
| Type | - | Waterborne acrylate/polyurethane primer, 30% solids |
Sources: Airrex AH-300i, Bona Natural Primer. 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 Natural Primer if...
Used where a customer wants a sanded floor to keep as natural a colour as possible rather than the amber tint some primers add. It is a standard add-on sale for floor sander hire shops working on light timber.
Listed by
- Floor Sander Hire, London, UK - London
Common questions
What is the difference between the Airrex AH-300i and the Bona Natural Primer?
The Airrex AH-300i is a diesel-fuelled infrared space heater with wifi control; the Bona Natural Primer is a waterborne primer that preserves a wood floor's natural, untinted look.
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