10 Best Wall Mounted Gas Heaters 2025 in the United States

The Rinnai EX22DTWN Direct Vent Wall Furnace is a solid choice for those seeking an efficient and reliable indoor gas heater. With a heating capacity of 21,500 BTU, it effectively warms a variety of spaces while maintaining consistent temperatures. This model utilizes advanced modulating technology, which reduces cold spots, ensuring a comfortable environment throughout your home.

One of the standout features is its energy efficiency. The heater is designed to minimize fuel consumption by adjusting heat output based on your specific needs, which can lead to noticeable savings on energy bills. The programmable thermostat further enhances this efficiency, allowing you to set and maintain your preferred temperature easily.

Safety is another key strength of the Rinnai EX22DTWN. It boasts a cool-to-the-touch cabinet, making it safe for homes with children, and its self-diagnostic electronics help ensure reliable operation. These features provide peace of mind, especially for families.

The compact design of the heater is a significant advantage too, particularly for urban dwellers or those with limited space. It can fit seamlessly into various room layouts without becoming an eyesore. Additionally, the unit operates noiselessly, providing a quieter alternative to some traditional heating systems.

While the heater is efficient, its initial purchase price might be higher compared to some less advanced models. Also, as it requires professional installation due to its direct venting system, this could add to the overall cost. Potential users should ensure that their home’s ventilation system is compatible with this type of heater, as this could limit installation options.

The Rinnai EX22DTWN is well-suited for those looking for an energy-efficient, safe, and stylish wall-mounted gas heater. Its smart technology and compact design make it a practical choice for many homeowners.

The Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater is a robust choice for heating spaces up to 1250 sq. ft., making it ideal for garages or larger rooms. With a heating capacity of 50,000 BTU per hour, it ensures quick and efficient warming. It supports versatile installation with both vertical and horizontal venting options, thanks to its powered exhaust system, which adds flexibility in placement and is particularly useful in tight spaces. Additionally, the included natural gas to liquid propane conversion kit offers adaptability depending on available fuel sources.

The thermostat and A/C terminals are easily accessible from the outside, simplifying adjustments and installation. Its design requires at least 8 feet of clearance from the floor to its base, which may restrict placement in some areas with lower ceilings. Safety is a priority with a high-temperature safety shut-off switch, providing peace of mind during operation. The unit comes with a limited 3-year warranty on parts and burners and a 10-year warranty on the heat exchanger, reflecting confidence in its durability.

At 66 pounds, it is relatively heavy, but the ceiling mount brackets included should aid in installation. While this heater is built for indoor use, particularly in garages, those needing a heater for living rooms or bedrooms should consider the ventilation requirements and safety clearances. This heater is a practical and dependable option for those needing substantial heating power in specific indoor settings.

The Rinnai EX11CTN Space Heater is a solid choice for those seeking an efficient wall-mounted gas heater. With a heating capacity of 11,000 BTU, it is well-suited for smaller spaces like bedrooms or home offices. One of its main strengths is energy efficiency, aided by features such as a seven-stage modulating gas valve and electronic thermostat that allows users to set the temperature between 60°F and 80°F. This helps save on energy costs while maintaining comfort.

The direct vent system is another highlight, ensuring proper ventilation and safety by expelling combustion gases outside. Additionally, the unit boasts a range of smart features like electronic spark ignition and a variable speed inducer motor, which enhance performance and reliability. Safety is prioritized with features like a child lock and self-diagnostic electronics, which can automatically shut down in case of ignition failure.

The Rinnai EX11CTN is ideal for individuals needing an efficient and safe heating option for indoor spaces, especially in homes and smaller commercial settings. Just keep in mind the installation requirements and whether its aesthetic fits your decor.