For contractors heating buildings under construction or large ventilated work bays. The maker rules out homes and RVs.
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 | HS35LP (F170700) |
|---|---|
| Heating | |
| Heat output | 35,000 BTU |
| Type | Portable |
| Use | Job sites and garages |
| Heats up to | 800 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 | None published |
| Tip-over shutoff | Yes |
| Flame-out shutoff | Yes |
| Build | |
| Dimensions | 10.24 x 12.4 x 34.25 in |
| Warranty | 1 year |
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 $69.99A plain 18,000 BTU cabinet heater for patios and open work areas. It is sold as an outdoor heater, so use it that way.
Amazon $138.82For golfers and spectators who want a little radiant warmth in an open cart. The maker restricts it to outdoor use.
Amazon $62.99Compare the Heatstar HS35LP 35,000 BTU with any other propane heater →
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