For big shops, barns and job sites that need a lot of heat for little money. Use it only in ventilated spaces or outdoors.
Amazon $156.99
For large job sites, barns and warehouses with plenty of fresh air that need maximum heat. Smaller garages are better served by a heater that turns down further.
- 110,000 to 150,000 BTUHeat output
- Job sites and garagesUse
- None publishedSafety listing
- 1 yearWarranty
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
- Big 150,000 BTU output for barns, warehouses and large job sites
- Shuts the gas off if the flame goes out, and cuts out if it overheats
- Split barrel opens for cleaning
- Hose and regulator come in the box
- Only turns down to 110,000 BTU, so it can be too much for smaller spaces
- Needs a 120V outlet or generator to run
- Construction heater only, for well ventilated spaces, not living areas
- DeWalt no longer has a product page for it, and no coverage figure is published
The DeWalt forced air family
Every DeWalt forced air model we rank, smallest first. Ratings compare each against its own type.
| Model | Heat output | Rating | Price |
|---|---|---|---|
| DeWalt DXH65FAV 65,000 BTU | 30,000 to 65,000 BTU | 3.1/5 | $168.35 |
| DeWalt DXH90FAV 90,000 BTU | 50,000 to 90,000 BTU | 3.5/5 | $230.77 |
| DeWalt DXH150FAV 150,000 BTU (this one) | 110,000 to 150,000 BTU | 3.2/5 | $251.21 |
How it scores
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.
Specifications
| Model number | DXH150FAV (F340725) |
|---|---|
| Heating | |
| Heat output | 110,000 to 150,000 BTU |
| Type | Forced air |
| Use | Job sites and garages |
| Thermostat | No |
| Fan | Yes |
| Fuel and power | |
| Fuel | Bulk tank |
| Hose included | Yes |
| Ignition | Electric |
| Power needed | 120 V outlet |
| Safety | |
| Safety listing | None published |
| Flame-out shutoff | Yes |
| Build | |
| Dimensions | 11.75 x 26 x 16 in |
| Weight | 22.5 lb |
| Warranty | 1 year |
Alternatives in this type
For a budget garage or job site heater from a 20 lb tank where a safety listing is not required. Keep the space ventilated.
Amazon $109.90For large construction sites, barns and warehouses that need heat on an industrial scale from a bank of 100 lb tanks. Use it only with plenty of fresh air.
Amazon $665.84Compare
Compare the DeWalt DXH150FAV 150,000 BTU with any other propane heater →
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