The Mr. Heater Little Buddy MH4B is the better propane heater overall, rated 3.6 to 2.7. The Mr. Heater Little Buddy MH4B leads on warranty and safety. The Mr. Heater Golf Cart Heater MH4GC wins on value. The Mr. Heater Golf Cart Heater MH4GC costs $7 less ($62.99 vs $69.99).
For heating a small tent, blind or ice shanty with ventilation, where a light one cylinder heater is all that fits. Follow the maker’s vent rule of at least 4 sq in of fresh air.
Amazon $69.99For golfers and spectators who want a little radiant warmth in an open cart. The maker restricts it to outdoor use.
Amazon $62.99Prices 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.
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 | Mr. Heater Little Buddy MH4B | Mr. Heater Golf Cart Heater MH4GC |
|---|---|---|
| Overall rating | 3.6/5 | 2.7/5 |
| Value 25% | 6 $18.42 per 1,000 BTU ($69.99, 3,800 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% | 100 3-year warranty | 0 1-year warranty |
| Turndown 15% | 0 one heat setting | 0 one heat setting |
| Ignition 10% | 100 push-button piezo ignition | 100 push-button piezo ignition |
| Fuel options 5% | 50 runs on 1 lb cylinders only | 50 runs on 1 lb cylinders only |
| Mr. Heater Little Buddy MH4B | Mr. Heater Golf Cart Heater MH4GC | |
|---|---|---|
| Heating | ||
| Heat output | 3,800 BTU | 4,000 BTU |
| Type | Portable | Portable |
| Use | Indoor (ventilated) | Outdoor only |
| Heats up to | 95 sq ft | 100 sq ft |
| Thermostat | No | No |
| Fan | No | No |
| Fuel and power | ||
| Fuel | 1 lb cylinder | 1 lb cylinder |
| Hose included | No | 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 | 12 x 9.75 x 10.2 in | - |
| Weight | 5.8 lb | 6 lb |
| Warranty | 3 years | 1 year |
| Released | 2010-01-13 | 2015-01-26 |
