DeWalt DXH90FAV 90,000 BTU
#4 in Forced airFull review
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.
Amazon $230.77$230.77
The DeWalt DXH90FAV 90,000 BTU and the DeWalt DXH70CFAV 68,000 BTU Cordless are evenly matched, rated 3.5 and 3.4. The DeWalt DXH90FAV 90,000 BTU leads on value. The DeWalt DXH70CFAV 68,000 BTU Cordless wins on turndown. The DeWalt DXH90FAV 90,000 BTU costs $6.45 less ($230.77 vs $237.22).
DeWalt DXH70CFAV 68,000 BTU Cordless
#5 in Forced airFull review
For 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 $237.22$237.22
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.
Which should you buy?
- Choose the DeWalt DXH90FAV 90,000 BTU for value ($2.56 per 1,000 BTU ($230.77, 90,000 BTU) vs $3.49 per 1,000 BTU ($237.22, 68,000 BTU)).
- Choose the DeWalt DXH70CFAV 68,000 BTU Cordless for turndown (turns down to 27,000 BTU vs turns down to 50,000 BTU).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every forced air propane heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | DeWalt DXH90FAV 90,000 BTU | DeWalt DXH70CFAV 68,000 BTU Cordless |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Value 25% | 41 $2.56 per 1,000 BTU ($230.77, 90,000 BTU) | 22 $3.49 per 1,000 BTU ($237.22, 68,000 BTU) |
| Safety 30% | 80 ETL listed, flame-out shutoff | 80 CSA listed, flame-out shutoff |
| Warranty 15% | 0 1-year warranty | 0 1-year warranty |
| Turndown 15% | 63 turns down to 50,000 BTU | 86 turns down to 27,000 BTU |
| Ignition 10% | 100 electric ignition | 100 electric ignition |
| Fuel options 5% | 50 runs on a bulk tank only | 50 runs on a bulk tank only |
Specifications
| DeWalt DXH90FAV 90,000 BTU | DeWalt DXH70CFAV 68,000 BTU Cordless | |
|---|---|---|
| Heating | ||
| Heat output | 50,000 to 90,000 BTU | 27,000 to 68,000 BTU |
| Type | Forced air | Forced air |
| Use | Job sites and garages | Job sites and garages |
| Heats up to | 2,250 sq ft | 1,700 sq ft |
| Thermostat | No | No |
| Fan | Yes | Yes |
| Fuel and power | ||
| Fuel | Bulk tank | Bulk tank |
| Hose included | Yes | Yes |
| Ignition | Electric | Electric |
| Power needed | 120 V outlet | Batteries |
| Safety | ||
| Safety listing | ETL | CSA |
| Flame-out shutoff | Yes | Yes |
| Build | ||
| Dimensions | - | 13 x 20 x 17 in |
| Weight | - | 15.1 lb |
| Warranty | 1 year | 1 year |
| Released | 2012-10 | 2019-02 |