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
The Heatstar HS35LP 35,000 BTU rates 3.3 among portable propane heaters; the Mr. Heater MH30T Double Tank Top rates 3.0 among tank top ones. The Mr. Heater MH30T Double Tank Top costs $82.25 less ($98.23 vs $180.48).
Mr. Heater MH30T Double Tank Top
#10 in Tank topFull review
For job sites, loading docks and outdoor events that need up to 30,000 BTU of aimed radiant heat from one tank. Keep it where fresh air moves freely.
Amazon $98.23$98.23
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.
Scores side by side
These two sit in different type classes (portable and tank top), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | Heatstar HS35LP 35,000 BTU | Mr. Heater MH30T Double Tank Top |
|---|---|---|
| Overall rating | 3.3/5 | 3.0/5 |
| Value 25% | 98 $5.16 per 1,000 BTU ($180.48, 35,000 BTU) | 44 $3.27 per 1,000 BTU ($98.23, 30,000 BTU) |
| Safety 30% | 50 tip-over shutoff, flame-out shutoff; no safety listing published | 50 tip-over shutoff, flame-out shutoff; no safety listing published |
| Warranty 15% | 0 1-year warranty | 0 1-year warranty |
| Turndown 15% | 0 one heat setting | 95 turns down to 10,000 BTU |
| Ignition 10% | 100 push-button piezo ignition | 0 lit by hand |
| Fuel options 5% | 50 runs on a bulk tank only | 50 runs on a bulk tank only |
Specifications
| Heatstar HS35LP 35,000 BTU | Mr. Heater MH30T Double Tank Top | |
|---|---|---|
| Heating | ||
| Heat output | 35,000 BTU | 10,000 to 30,000 BTU |
| Type | Portable | Tank top |
| Use | Job sites and garages | Job sites and garages |
| Heats up to | 800 sq ft | 750 sq ft |
| Thermostat | No | No |
| Fan | No | No |
| Fuel and power | ||
| Fuel | Bulk tank | Bulk tank |
| Hose included | Yes | No |
| Ignition | Push-button piezo | By hand |
| Power needed | None | None |
| Safety | ||
| Safety listing | None published | None published |
| Tip-over shutoff | Yes | Yes |
| Flame-out shutoff | Yes | Yes |
| Build | ||
| Dimensions | 10.24 x 12.4 x 34.25 in | 16.5 x 7 x 12.5 in |
| Weight | - | 5.1 lb |
| Warranty | 1 year | 1 year |
| Released | - | 2014-09 |