Gasland MHA18B 18,000 BTU
#3 in PortableFull review
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.
Amazon $152.99$152.99
The Gasland MHA18B 18,000 BTU is the better propane heater overall, rated 4.0 to 3.3. The Gasland MHA18B 18,000 BTU leads on safety and turndown. The Heatstar HS35LP 35,000 BTU wins on value. The Gasland MHA18B 18,000 BTU costs $27.49 less ($152.99 vs $180.48).
Heatstar HS35LP 35,000 BTU
#13 in PortableFull review
For contractors heating buildings under construction or large ventilated work bays. The maker rules out homes and RVs.
Amazon $180.48$180.48
Prices were last checked October 30, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Gasland MHA18B 18,000 BTU for safety (CSA listed, low-oxygen shutoff, tip-over shutoff, flame-out shutoff vs tip-over shutoff, flame-out shutoff; no safety listing published) and turndown (turns down to 6,000 BTU vs one heat setting).
- Choose the Heatstar HS35LP 35,000 BTU for value ($5.16 per 1,000 BTU ($180.48, 35,000 BTU) vs $8.50 per 1,000 BTU ($152.99, 18,000 BTU)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every portable propane heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Gasland MHA18B 18,000 BTU | Heatstar HS35LP 35,000 BTU |
|---|---|---|
| Overall rating | 4.0/5 | 3.3/5 |
| Value 25% | 62 $8.50 per 1,000 BTU ($152.99, 18,000 BTU) | 98 $5.16 per 1,000 BTU ($180.48, 35,000 BTU) |
| Safety 30% | 100 CSA listed, low-oxygen shutoff, tip-over shutoff, flame-out shutoff | 50 tip-over shutoff, flame-out shutoff; no safety listing published |
| Warranty 15% | 0 1-year warranty | 0 1-year warranty |
| Turndown 15% | 95 turns down to 6,000 BTU | 0 one heat setting |
| Ignition 10% | 100 push-button piezo ignition | 100 push-button piezo ignition |
| Fuel options 5% | 50 runs on a bulk tank only | 50 runs on a bulk tank only |
Specifications
| Gasland MHA18B 18,000 BTU | Heatstar HS35LP 35,000 BTU | |
|---|---|---|
| Heating | ||
| Heat output | 6,000 to 18,000 BTU | 35,000 BTU |
| Type | Portable | Portable |
| Use | Job sites and garages | Job sites and garages |
| Heats up to | 450 sq ft | 800 sq ft |
| Thermostat | No | No |
| Fan | No | No |
| Fuel and power | ||
| Fuel | Bulk tank | Bulk tank |
| Hose included | Yes | Yes |
| Ignition | Push-button piezo | Push-button piezo |
| Power needed | None | None |
| Safety | ||
| Safety listing | CSA | None published |
| Low-oxygen shutoff | Yes | - |
| Tip-over shutoff | Yes | Yes |
| Flame-out shutoff | Yes | Yes |
| Build | ||
| Dimensions | 15 x 17.5 x 21.7 in | 10.24 x 12.4 x 34.25 in |
| Weight | 17.2 lb | - |
| Warranty | 1 year | 1 year |