For a bedroom, office or small addition where steady, quiet, thermostat controlled heat matters more than purchase price. Skip it if you need heat through power outages.
Amazon $1,401.75
For a cabin, garage apartment or open living area that needs a lot of heat without power, especially if you might switch between propane and natural gas.
- 25,000 BTU/hrOutput
- Dual fuelFuel
- FurnaceHeat
- YesThermostat
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Runs on natural gas or propane, so it still fits if you switch fuels later
- Thermostatic valve holds the room temperature with no electricity
- 25,000 BTU/hr for about $900 is strong value per BTU
- Complete vent kit for 4 1/2 to 10 in walls is included
- Only a one year warranty, including the combustion chamber
- No published AFUE
- Blower costs extra
The Ashley Hearth DVAG family
Every Ashley Hearth DVAG model we rank, smallest first. Ratings compare each against its own venting.
| Model | Output | Rating | Price |
|---|---|---|---|
| Ashley Hearth DVAG11L Direct Vent | 11,000 BTU/hr | 2.8/5 | $382.49 |
| Ashley Hearth DVAG25-DF Dual Fuel (this one) | 25,000 BTU/hr | 3.2/5 | $899.99 |
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its venting. How we rank explains each one.
Specifications
| Model number | DVAG25-DF |
|---|---|
| Heat | |
| Venting | Direct vent |
| Heat type | Furnace |
| Maximum input | 25,000 BTU/hr |
| Heating area claim | 825 sq ft |
| Fuel and controls | |
| Fuel | Dual fuel |
| Thermostat | Yes |
| Blower | No |
| Ignition | Push button |
| Needs an outlet | No |
| Build | |
| Weight | 62.2 lb |
| Warranty | 1 year |
Alternatives in this venting
A strong value for heating a living room or small apartment on natural gas with automatic temperature control and no need for power.
Amazon $498For a cabin or large room that needs serious heat that keeps running when the power goes out. Rinnai’s modulating units are steadier but quit without electricity.
Amazon $2,008.99Compare
Compare the Ashley Hearth DVAG25-DF Dual Fuel with any other gas wall heater →
More from Ashley Hearth: every Ashley Hearth product ranked.