Direct vent natural gas heaters offer safe, efficient warmth for living spaces and bedrooms. This guide highlights five top options, focusing on direct vent designs that maximize energy efficiency while maintaining convenient operation. The selections cover rooms of various sizes, from compact spaces to larger living areas, with emphasis on sealed burner systems, safety features, and reliable performance.
| Product | BTU (Heat Input) | Room Size (Approx.) | Key Feature |
|---|---|---|---|
| Ashley Hearth DVAG17N 17,000 BTU Direct Vent Natural Gas Heater | 17,000 | Up to 570 sq ft | Sealed burn system, natural gas |
| Ashley Hearth DVAG11N 11,000 BTU Direct Vent Natural Gas Heater | 11,000 | Up to 375 sq ft | Sealed burn system, natural gas |
| Rinnai EX22DTWN Direct Vent Wall Furnace | 21,500 | Variable (room dependent) | Modulating technology, cool-to-the-touch cabinet |
| Rinnai EX38DTWN Direct Vent Wall Furnace | 38,400 | Large rooms to open spaces | Advanced modulation, energy efficient |
| Rinnai EX17DTN Direct Vent Wall Furnace | 17,000 | Medium spaces | Self-diagnostic electronics, safe operation |
Ashley Hearth DVAG17N 17,000 BTU Direct Vent Natural Gas Heater
The Ashley DVAG17N is a direct vent natural gas heater delivering 17,000 BTU of heat, suitable for spaces up to about 570 square feet. It uses a sealed burn system designed to improve indoor air quality and efficiency, making it appropriate for bedrooms and living areas where consistent warmth is desired. The unit is built for natural gas supply and emphasizes reliable ignition and steady heat delivery, helping maintain comfortable temperatures with energy-conscious operation.
Ashley Hearth DVAG11N 11,000 BTU Direct Vent Natural Gas Heater
The DVAG11N provides 11,000 BTU of heat and is designed for natural gas with a sealed burn system that helps maintain a clean, efficient burn. It is well-suited for smaller to mid-sized rooms, offering dependable warmth while reducing outside air infiltration. Its design prioritizes safety and ease of use, making it a practical option for bedrooms and compact living spaces where precise temperature control is valued.
Rinnai EX22DTWN Direct Vent Wall Furnace
The Rinnai EX22DTWN offers 21,500 BTU and a direct vent design for consistent heating in various rooms. With advanced modulating technology, it helps minimize cold spots and maintains even comfort. The cabinet stays cool to the touch, and self-diagnostic electronics provide reassurance of safe operation, particularly in family settings. Energy efficiency is supported by adapting heat output to actual needs, reducing fuel use while keeping spaces comfortable.
Rinnai EX38DTWN Direct Vent Wall Furnace
The EX38DTWN is a high-capacity direct vent heater at 38,400 BTU, designed to heat larger spaces efficiently. It incorporates modulating technology to tailor heat output to demand, helping reduce energy waste. Like other Rinnai models, it features a cool-to-the-touch exterior and built-in diagnostics for safe operation, making it a strong option for open floor plans or multi-room setups where robust performance is needed.
Rinnai EX17DTN Direct Vent Wall Furnace
The Rinnai EX17DTN provides 17,000 BTU of direct vent heating with a focus on even temperature distribution and safety. It uses modulating controls to avoid overheating and to maintain consistent warmth across mid-sized rooms. Its user-friendly electronic diagnostics support reliable operation, and the cool-to-touch cabinet adds an extra layer of safety for households with children or pets.
Buying Guide
Key purchase considerations for direct vent natural gas heaters:
- BTU rating and suitable space: Higher BTU units cover larger areas. Match BTU to room size to avoid under- or over-heating.
- Vent type and installation: Direct vent units pull combustion air from outside and vent exhaust back outside, improving indoor air quality and safety. Ensure proper clearance and venting paths per manufacturer guidelines.
- Energy efficiency and modulation: Models with modulating burners adjust heat output to demand, reducing fuel use and maintaining comfort more consistently.
- Safety features: Look for cool-to-the-touch cabinets, flame failure devices, oxygen depletion sensors, tilt switches, and automatic shutoffs in case of abnormal conditions.
- Controls and diagnostics: Digital thermostats and self-diagnostics simplify maintenance and help detect issues early.
- Noise and aesthetics: Consider cabinet design, particularly for living spaces and bedrooms where quiet operation matters. Sealed burn systems can also contribute to less combustion odor.
- Maintenance requirements: Regular inspection of vents, burners, and sensors ensures longevity and safe operation.
- Brand reputation and support: Reputable brands with nationwide service networks can simplify installation and post-purchase support.
When selecting a model, compare the specific features listed by each product, as well as the installation requirements for your space. In rooms with limited ventilation, prioritize sealed burn systems and safety features. For larger living areas, models with higher BTU outputs and robust modulation offer better overall comfort and efficiency.
