Direct vent gas wall heaters offer efficient, space-saving warmth with safety features ideal for family homes. This guide highlights top models, including Rinnai and Ashley options, to help you compare heating capacity, safety features, and energy efficiency. Each entry includes a quick snapshot and user-focused details to support informed decisions for American homes.
| Product | Brand | BTU | Key Benefit |
|---|---|---|---|
| EX22DTWN Direct Vent Wall Furnace | Rinnai | 21,500 | Precise modulation and cool-to-touch cabinet |
| EX38DTWN Direct Vent Wall Furnace | Rinnai | 38,400 | Large-area comfort with energy efficiency |
| EX17DTN Direct Vent Wall Furnace | Rinnai | 17,000 | Compact option with consistent heat |
| DVAG17N Direct Vent 17,000 BTU | Ashley Hearth | 17,000 | Sealed burn system, bedroom-friendly |
| DVAG11N Direct Vent 11,000 BTU | Ashley Hearth | 11,000 | Compact heating for smaller spaces |
Rinnai EX22DTWN Direct Vent Wall Furnace Review

The Rinnai EX22DTWN is a 21,500 BTU direct vent wall furnace designed for steady, efficient heating in living spaces. It features advanced modulating technology to maintain consistent temperatures and minimize cold spots. The unit is built with a cool-to-the-touch cabinet and self-diagnostic electronics, supporting safe operation in homes with children. Energy-efficient operation is achieved by precisely matching heat output to demand, helping households stay comfortable throughout the season without unnecessary fuel use.
Rinnai EX38DTWN Direct Vent Wall Furnace Review

With 38,400 BTU, the Rinnai EX38DTWN covers larger spaces while maintaining energy efficiency through modulating heat control. The design prioritizes safety with a cool-to-the-touch cabinet and built-in self-diagnostic electronics. This model is suitable for open floor plans or rooms that require sustained warmth, delivering reliable comfort during cold months while using fuel efficiently to reduce overall energy costs.
Rinnai EX17DTN Direct Vent Wall Furnace Review

The 17,000 BTU Rinnai EX17DTN provides a compact yet capable heating solution for smaller rooms or zones. It emphasizes even heat distribution and safety, featuring a cool-to-the-touch cabinet and self-diagnostic electronics. Energy-conscious users benefit from heat output that scales to demand, delivering warmth where and when it’s needed most without excessive fuel consumption.
Ashley DVAG17N Direct Vent 17,000 BTU Review

The Ashley DVAG17N delivers 17,000 BTU and features a sealed burn system, designed for bedrooms and living spaces where steady, quiet operation is valued. Its dual-vent design supports reliable gas flow and quiet on/off cycling, suitable for mid-sized rooms up to 570 square feet when paired with proper venting. It emphasizes safety with regulated gas flow and a compact footprint for flexible installation.
Ashley DVAG11N Direct Vent 11,000 BTU Review

The DVAG11N is a compact 11,000 BTU direct vent wall heater designed for smaller spaces such as bedrooms or dens. It uses a sealed burn system to maintain efficient combustion and reduce emissions, while ensuring dependable warmth. Its smaller footprint makes it a versatile option for retrofit installations or rooms with limited wall space.
Rinnai FC824N Ventless Heater Overview

Note: This option is ventless and not a direct vent wall heater. It is included here for comparison of indoor heating approaches. It offers programmable thermostat control and a self-diagnostics feature, along with safety devices such as a flame failure device and oxygen depletion sensor. This model emphasizes compact warmth with flexible installation, suitable for zones where venting is restricted.
Empire DV210 Direct Vent Propane Space Heater Review

The Empire DV210 is a 10,000 BTU direct vent propane space heater designed for compact spaces. It includes direct venting with a pipe and cap, and its dimensions enable installation in smaller rooms or zones needing supplemental warmth. This option highlights portability and straightforward venting for propane setups, though BTU output is lower than larger gas models.
Buying Guide: Direct Vent Gas Wall Heaters
- Size and heating capacity: Choose BTU output that matches the room size. Larger spaces benefit from higher BTU models (e.g., 38,400 BTU), while smaller rooms are suited to 11,000–17,000 BTU units.
- Venting method and installation: Direct vent systems expel combustion byproducts outside through a vent, improving indoor air quality. Confirm clearance requirements and venting options for your home layout.
- Safety features: Look for cool-to-the-touch cabinets, oxygen depletion sensors, flame failure devices, tilt switches, and self-diagnostic electronics for reliable operation with families and children present.
- Energy efficiency: Modulating or variable heat output helps match warmth to demand, reducing unnecessary fuel consumption over the season.
- Noise and comfort: Sealed burners and quiet operation influence daily comfort, especially in bedrooms or living spaces meant for rest.
- Fuel type and availability: Decide between natural gas and propane based on your home’s utility setup and local fuel costs.
- Footprint and installation flexibility: Wall-mounted models save floor space; ensure wall strength and mounting clearances align with recommended specifications.
- Maintenance: Self-diagnostics simplify servicing, while sealed combustion reduces routine cleaning needs. Regular professional inspections remain important for safety and efficiency.
Direct vent gas wall heaters provide targeted warmth, safety-oriented design, and energy-conscious operation. When comparing models from Rinnai and Ashley, consider room size, venting compatibility, and preferred safety features to select a unit that balances comfort with efficient fuel use.