For crews already on DeWalt or Milwaukee batteries who need torpedo heat where there is no outlet. Ventilate the space as the manual requires.
Amazon $158.75
For job sites, barns and large garages with fresh air that need more heat than a 65,000 BTU heater. It is a construction heater, not for living spaces.
- 50,000 to 90,000 BTUHeat output
- Job sites and garagesUse
- ETLSafety listing
- 1 yearWarranty
Price checked October 30, 2026. As an Amazon Associate we earn from qualifying purchases.
- Turns down from 90,000 to 50,000 BTU to match the weather
- Shuts the gas off if the flame goes out, and cuts out if it overheats
- ETL certified, by DeWalt’s page
- Long 20 ft hose lets the tank sit well away from the heater
- Needs a 120V outlet or generator to run
- Construction heater only, for well ventilated spaces, not living areas
- DeWalt’s own pages and the Amazon listing disagree on its output range
- No thermostat, so you adjust the heat by hand
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 (this one) | 50,000 to 90,000 BTU | 3.5/5 | $230.77 |
| DeWalt DXH150FAV 150,000 BTU | 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 | DXH90FAV (F340715) |
|---|---|
| Heating | |
| Heat output | 50,000 to 90,000 BTU |
| Type | Forced air |
| Use | Job sites and garages |
| Heats up to | 2,250 sq ft |
| Thermostat | No |
| Fan | Yes |
| Fuel and power | |
| Fuel | Bulk tank |
| Hose included | Yes |
| Ignition | Electric |
| Power needed | 120 V outlet |
| Safety | |
| Safety listing | ETL |
| Flame-out shutoff | Yes |
| Build | |
| Warranty | 1 year |
| Released | 2012-10 |
Alternatives in this type
For garages and job sites that want a 60,000 BTU torpedo heater that also shuts off if tipped. Run it only with a steady supply of fresh air.
Amazon $159.95For contractors already on DeWalt 20V batteries who need heat on sites without power. It is a construction heater for ventilated spaces, not living areas.
Amazon $237.22Compare
Compare the DeWalt DXH90FAV 90,000 BTU with any other propane heater →
More from DeWalt: every DeWalt product ranked.