For ventilated garages, offices and workshops that need a rolling 18,000 BTU heater with a full set of shutoffs. The manual rules out homes and living quarters.
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
| Model number | MHA18B |
|---|---|
| Heating | |
| Heat output | 6,000 to 18,000 BTU |
| Type | Portable |
| Use | Job sites and garages |
| Heats up to | 450 sq ft |
| Thermostat | No |
| Fan | No |
| Fuel and power | |
| Fuel | Bulk tank |
| Hose included | Yes |
| Ignition | Push-button piezo |
| Power needed | None |
| Safety | |
| Safety listing | CSA |
| Low-oxygen shutoff | Yes |
| Tip-over shutoff | Yes |
| Flame-out shutoff | Yes |
| Build | |
| Dimensions | 15 x 17.5 x 21.7 in |
| Weight | 17.2 lb |
| Warranty | 1 year |
The default choice for heating a ventilated tent, blind or small cabin on 1 lb cylinders, with the option to hook up a bigger tank later. Keep the 9 sq in of fresh air the maker requires.
Amazon $89.97A low cost 18,000 BTU cabinet heater for well ventilated garages, sheds and patios, with tip, low oxygen and flame out shutoffs. The maker requires good ventilation indoors.
Amazon $117.99For heating the middle of a ventilated tent, blind or shelter from all sides. Keep the 18 sq in of fresh air the manual requires.
Amazon $129.99Compare the Gasland MHA18B 18,000 BTU with any other propane heater →
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