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 2.7. The Gasland MHA18B 18,000 BTU leads on turndown, safety and value. The Mr. Heater Golf Cart Heater MH4GC costs $90 less ($62.99 vs $152.99).
Mr. Heater Golf Cart Heater MH4GC
#14 in PortableFull review
For golfers and spectators who want a little radiant warmth in an open cart. The maker restricts it to outdoor use.
Amazon $62.99$62.99
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 turndown (turns down to 6,000 BTU vs one heat setting), safety (CSA listed, low-oxygen shutoff, tip-over shutoff, flame-out shutoff vs low-oxygen shutoff, tip-over shutoff, flame-out shutoff; no safety listing published) and value ($8.50 per 1,000 BTU ($152.99, 18,000 BTU) vs $15.75 per 1,000 BTU ($62.99, 4,000 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 | Mr. Heater Golf Cart Heater MH4GC |
|---|---|---|
| Overall rating | 4.0/5 | 2.7/5 |
| Value 25% | 62 $8.50 per 1,000 BTU ($152.99, 18,000 BTU) | 17 $15.75 per 1,000 BTU ($62.99, 4,000 BTU) |
| Safety 30% | 100 CSA listed, low-oxygen shutoff, tip-over shutoff, flame-out shutoff | 60 low-oxygen shutoff, 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 1 lb cylinders only |
Specifications
| Gasland MHA18B 18,000 BTU | Mr. Heater Golf Cart Heater MH4GC | |
|---|---|---|
| Heating | ||
| Heat output | 6,000 to 18,000 BTU | 4,000 BTU |
| Type | Portable | Portable |
| Use | Job sites and garages | Outdoor only |
| Heats up to | 450 sq ft | 100 sq ft |
| Thermostat | No | No |
| Fan | No | No |
| Fuel and power | ||
| Fuel | Bulk tank | 1 lb cylinder |
| Hose included | Yes | No |
| Ignition | Push-button piezo | Push-button piezo |
| Power needed | None | None |
| Safety | ||
| Safety listing | CSA | None published |
| Low-oxygen shutoff | Yes | Yes |
| Tip-over shutoff | Yes | Yes |
| Flame-out shutoff | Yes | Yes |
| Build | ||
| Dimensions | 15 x 17.5 x 21.7 in | - |
| Weight | 17.2 lb | 6 lb |
| Warranty | 1 year | 1 year |
| Released | - | 2015-01-26 |