For a cheap, light torpedo heater to warm a garage bay or job site from a 20 lb tank. Use it only with a fresh air opening, as the manual sets out.
Amazon $114.99
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.
- 50,000 to 85,000 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.
- Runs from an ordinary 20 lb tank, where bigger torpedo heaters need 40 lb or more
- Shuts the gas off if the flame goes out, and cuts out if it overheats
- Quieter than a standard torpedo heater, by Mr. Heater’s claim of 50% less noise
- Comes with the 10 ft hose and regulator
- Needs a 120V outlet or generator to run its fan and igniter
- Construction heater only: not for homes or RVs, and only in well ventilated spaces
- No thermostat, so you adjust the heat by hand
The Mr. Heater Quiet Burner family
Every Mr. Heater Quiet Burner model we rank, smallest first. Ratings compare each against its own type.
| Model | Heat output | Rating | Price |
|---|---|---|---|
| Mr. Heater MH85QFAV 85,000 BTU (this one) | 50,000 to 85,000 BTU | 3.1/5 | $199.05 |
| Mr. Heater MH125QFAV 125,000 BTU | 75,000 to 125,000 BTU | 3.3/5 | $189.99 |
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 | MH85QFAV (F271380) |
|---|---|
| Heating | |
| Heat output | 50,000 to 85,000 BTU |
| Type | Forced air |
| Use | Job sites and garages |
| Heats up to | 2,125 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 | None published |
| Flame-out shutoff | Yes |
| Build | |
| Dimensions | 11.5 x 18.5 x 14 in |
| Weight | 19 lb |
| Warranty | 1 year |
| Released | 2013-12 |
Alternatives in this type
For garages, job sites and barns with fresh air that need fast heat from a standard 20 lb tank. It is a construction heater, not for living spaces.
Amazon $168.35For garages, sheds and job sites with fresh air that want a light 60,000 BTU heater on a 20 lb tank. It is a construction heater, not for living spaces.
Amazon $159.99Compare
Compare the Mr. Heater MH85QFAV 85,000 BTU with any other propane heater →
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