The Rinnai EnergySaver EX08DTN is the better gas wall heater overall, rated 3.4 to 2.8. The Rinnai EnergySaver EX08DTN leads on warranty and controls. The Ashley Hearth DVAG11L Direct Vent wins on value. The Ashley Hearth DVAG11L Direct Vent costs $1,019.26 less ($382.49 vs $1,401.75).
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 $1,401.75For a bedroom, cabin room or mobile home on propane that needs thermostat controlled heat with no power. The short warranty is the trade off for the low price.
Amazon $382.49Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Each factor is scored 0-100 against the same fixed reference points for every direct vent gas wall heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Rinnai EnergySaver EX08DTN | Ashley Hearth DVAG11L Direct Vent |
|---|---|---|
| Overall rating | 3.4/5 | 2.8/5 |
| Value 30% | 17 $175.22 per 1,000 BTU ($1,401.75, 8,000 BTU) | 93 $34.77 per 1,000 BTU ($382.49, 11,000 BTU) |
| Heat output 15% | 0 8,000 BTU/hr | 3 11,000 BTU/hr |
| Controls 20% | 100 thermostat, blower, electronic ignition | 50 thermostat |
| Fuel 5% | 0 natural gas only | 0 propane only |
| Warranty 30% | 100 5-year warranty | 0 1-year warranty |
| Rinnai EnergySaver EX08DTN | Ashley Hearth DVAG11L Direct Vent | |
|---|---|---|
| Heat | ||
| Venting | Direct vent | Direct vent |
| Heat type | Furnace | Furnace |
| Maximum input | 8,000 BTU/hr | 11,000 BTU/hr |
| Minimum input | 3,000 BTU/hr | - |
| Heating area claim | - | 375 sq ft |
| Efficiency | 82% AFUE | - |
| Fuel and controls | ||
| Fuel | Natural gas | Propane |
| Thermostat | Yes | Yes |
| Blower | Yes | No |
| Ignition | Electronic (120 V) | Push button |
| Needs an outlet | Yes | No |
| Build | ||
| Weight | 42 lb | 28 lb |
| Warranty | 5 years | 1 year |
