Direct vent gas wall heaters offer an effective way to heat specific areas with safety and efficiency. Below is a comparison of top models designed to meet various heating needs, featuring natural gas and propane options with safety features like sealed burn systems and pressure regulators. These products provide consistent warmth while saving space and fuel.
| Product | Brand | BTU Output | Fuel Type | Heating Area |
|---|---|---|---|---|
| Rinnai EX22DTWN Direct Vent Wall Furnace | Rinnai | 21,500 BTU | Natural Gas | Multiple rooms |
| Comfort Glow 25,000 BTU Direct Vent Natural Gas Wall Heater | Comfort Glow | 25,000 BTU | Natural Gas | Up to 825 sq. ft. |
| Comfort Glow 17,000 BTU Direct Vent Liquid Propane Heater | Comfort Glow | 17,000 BTU | Propane | Up to 570 sq. ft. |
| EMPIRE Comfort Systems DV215 NG 15,000 BTU Wall Furnace | EMPIRE | 15,000 BTU | Natural Gas | Medium rooms |
| Ashley Hearth DVAG30N 25,000 BTU Direct Vent Natural Gas Heater | Ashley Hearth | 25,000 BTU | Natural Gas | Up to 825 sq. ft. |
Rinnai EX22DTWN Direct Vent Wall Furnace

The Rinnai EX22DTWN provides consistent and efficient heating with advanced modulating technology that eliminates cold spots for an even temperature across rooms. Its cool-to-the-touch cabinet and self-diagnostic electronics emphasize user safety, making it ideal for families. This 21,500 BTU heater is designed to maximize energy savings by matching heat output precisely to heating needs, providing cozy warmth while minimizing fuel use.
Comfort Glow 25,000 BTU Direct Vent Natural Gas Heater

This 25,000 BTU Comfort Glow heater effectively warms spaces up to 825 sq. ft. It features a sealed burn system with Matchless Piezo Ignition and an integrated pressure regulator that halts gas flow if the pilot light goes out, ensuring safe operation. Its large wall-mount design saves floor space and fits well in expansive rooms needing sturdy heating.
Comfort Glow 17,000 BTU Direct Vent Liquid Propane Heater

The propane variant from Comfort Glow provides 17,000 BTU of output, suitable for areas up to 570 sq. ft. Its sealed burner and safety pilot with a built-in pressure regulator cut off gas flow if the pilot extinguishes, prioritizing home safety. The compact wall-mounted design fits smaller spaces, offering a dependable propane heating option.
EMPIRE Comfort Systems DV215 NG 15,000 BTU Wall Furnace

The EMPIRE DV215 NG delivers 15,000 BTUs of natural gas heat with a wall furnace design that includes venting and vent cap. Its dimensions offer a moderate size unit intended for medium-sized rooms. The direct vent system ensures effective indoor air quality and safety by expelling combustion gases outside.
Ashley Hearth DVAG30N 25,000 BTU Direct Vent Natural Gas Heater

This Ashley Hearth DVAG30N offers high heating output of 25,000 BTU suitable for spaces up to 825 sq. ft. It’s built for natural gas and uses a sealed burn system making it safe and suitable for bedrooms or living areas. The direct vent design protects indoor air quality and ensures consistent heating.
Buying Guide For Direct Vent Gas Wall Heaters
Choosing the right direct vent gas wall heater involves several considerations to maximize safety, efficiency, and comfort:
Fuel Type
Decide between natural gas and propane depending on your home’s availability. Propane units typically suit rural or off-grid locations, while natural gas models are ideal where municipal gas lines exist.
Heating Capacity
Select a heater with BTU output appropriate for the room size. Consider square footage the manufacturer recommends for optimal warmth. Oversized units may waste fuel, while undersized units may fail to heat adequately.
Safety Features
Look for sealed burn systems which prevent combustion gases from entering the living space. Additional features include pressure regulators and automatic pilot shutoff in case the flame extinguishes. Models with cool-to-touch surfaces are safer around children.
Energy Efficiency
Choose heaters with modulating technology or variable heat settings to avoid overheating and save on fuel costs. Efficient units maintain consistent temperature while minimizing consumption.
Installation and Space
Wall-mounted designs save floor space and require proper venting either through exterior walls or chimneys. Confirm venting compatibility and professional installation to ensure safety and performance.
Maintenance and Durability
Select models with self-diagnostic electronics or easy access panels for convenient upkeep. Durable finishes and quality components increase the lifespan and reliability of your heater.
By evaluating these factors along with your heating needs, you can select a direct vent gas wall heater that securely and efficiently warms your living space.