The Rinnai EnergySaver EX38DTN is the better gas wall heater overall, rated 4.4 to 3.0. The Rinnai EnergySaver EX38DTN leads on warranty, controls and heat output. The Empire DV35 Direct Vent Wall Furnace wins on value. The Empire DV35 Direct Vent Wall Furnace costs $633.23 less ($2,008.99 vs $2,642.22).
For a small home, cabin or open plan space that needs one wall unit as the main heat source with modern thermostat control. Owners in outage prone areas should plan a backup.
Amazon $2,642.22For 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 $2,008.99Prices 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 EX38DTN | Empire DV35 Direct Vent Wall Furnace |
|---|---|---|
| Overall rating | 4.4/5 | 3.0/5 |
| Value 30% | 61 $68.81 per 1,000 BTU ($2,642.22, 38,400 BTU) | 69 $57.40 per 1,000 BTU ($2,008.99, 35,000 BTU) |
| Heat output 15% | 95 38,400 BTU/hr | 83 35,000 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 EX38DTN | Empire DV35 Direct Vent Wall Furnace | |
|---|---|---|
| Heat | ||
| Venting | Direct vent | Direct vent |
| Heat type | Furnace | Furnace |
| Maximum input | 38,400 BTU/hr | 35,000 BTU/hr |
| Minimum input | 13,200 BTU/hr | - |
| Efficiency | 80% 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 | 86 lb | - |
| Warranty | 5 years | 1 year |
