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 $237.22The DeWalt DXH70CFAV 68,000 BTU Cordless is the better propane heater overall, rated 3.4 to 3.1. The DeWalt DXH70CFAV 68,000 BTU Cordless leads on safety and turndown. The Mr. Heater MH85QFAV 85,000 BTU wins on value. The Mr. Heater MH85QFAV 85,000 BTU costs $38.17 less ($199.05 vs $237.22).
For garages, barns and job sites with fresh air that need strong heat from a 20 lb tank. It is a construction heater, not for living spaces.
Amazon $199.05Prices 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 DXH70CFAV 68,000 BTU Cordless for safety (CSA listed, flame-out shutoff vs flame-out shutoff; no safety listing published) and turndown (turns down to 27,000 BTU vs turns down to 50,000 BTU).
- Choose the Mr. Heater MH85QFAV 85,000 BTU for value ($2.34 per 1,000 BTU ($199.05, 85,000 BTU) vs $3.49 per 1,000 BTU ($237.22, 68,000 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 DXH70CFAV 68,000 BTU Cordless | Mr. Heater MH85QFAV 85,000 BTU |
|---|---|---|
| Overall rating | 3.4/5 | 3.1/5 |
| Value 25% | 22 $3.49 per 1,000 BTU ($237.22, 68,000 BTU) | 47 $2.34 per 1,000 BTU ($199.05, 85,000 BTU) |
| Safety 30% | 80 CSA listed, flame-out shutoff | 40 flame-out shutoff; no safety listing published |
| Warranty 15% | 0 1-year warranty | 0 1-year warranty |
| Turndown 15% | 86 turns down to 27,000 BTU | 59 turns down to 50,000 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 DXH70CFAV 68,000 BTU Cordless | Mr. Heater MH85QFAV 85,000 BTU | |
|---|---|---|
| Heating | ||
| Heat output | 27,000 to 68,000 BTU | 50,000 to 85,000 BTU |
| Type | Forced air | Forced air |
| Use | Job sites and garages | Job sites and garages |
| Heats up to | 1,700 sq ft | 2,125 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 | Batteries | 120 V outlet |
| Safety | ||
| Safety listing | CSA | None published |
| Flame-out shutoff | Yes | Yes |
| Build | ||
| Dimensions | 13 x 20 x 17 in | 11.5 x 18.5 x 14 in |
| Weight | 15.1 lb | 19 lb |
| Warranty | 1 year | 1 year |
| Released | 2019-02 | 2013-12 |
