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 XtremepowerUS 96961 Dual Tank Top rates 3.1 among tank top ones. The XtremepowerUS 96961 Dual Tank Top costs $104.53 less ($75.95 vs $180.48).
XtremepowerUS 96961 Dual Tank Top
#8 in Tank topFull review
For tailgates, hunting blinds with open sides and outdoor work where two burners on one tank matter more than a certified brand. Use it only outdoors.
Amazon $75.95$75.95
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 | XtremepowerUS 96961 Dual Tank Top |
|---|---|---|
| Overall rating | 3.3/5 | 3.1/5 |
| Value 25% | 98 $5.16 per 1,000 BTU ($180.48, 35,000 BTU) | 62 $2.53 per 1,000 BTU ($75.95, 30,000 BTU) |
| Safety 30% | 50 tip-over shutoff, flame-out shutoff; no safety listing published | 40 tip-over shutoff; no safety listing published |
| Warranty 15% | 0 1-year warranty | 50 warranty not published (neutral score used) |
| Turndown 15% | 0 one heat setting | 50 lowest setting not published (neutral score used) |
| 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 | XtremepowerUS 96961 Dual Tank Top | |
|---|---|---|
| Heating | ||
| Heat output | 35,000 BTU | 30,000 BTU |
| Type | Portable | Tank top |
| Use | Job sites and garages | Outdoor only |
| Heats up to | 800 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 | - |
| Build | ||
| Dimensions | 10.24 x 12.4 x 34.25 in | 16 x 6.5 x 17 in |
| Warranty | 1 year | - |