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18,000-BTU Comfort Glow Vent-Free Radiant Gas Heater
- Mfg.#
- KWN391
- Sku#
- 4114575
- POWERFUL HEATING PERFORMANCE: This Comfort Glow gas heater for indoor use delivers 18,000 BTUs of radiant heat, efficiently warming spaces up to 800 sq. ft., making it ideal for homes, offices, and small garages.
- NATURAL GAS HEATER, NO ELECTRICITY REQUIRED: This propane heater operates without the need for electricity, making it a reliable source of heat during power outages or in off-grid settings.
- FLEXIBLE INSTALLATION OPTIONS: Heater comes ready for wall mounting. Floor Mounting Kit also available (sold separately) to convert wall heater to a floor unit for increased portability
- VENT FREE: This ventless propane heater provides 99.9% fuel efficiency, making it an environmentally friendly and cost-effective option for indoor spaces. No need for an external vent or chimney.
- RADIANT INFRARED HEATING: The heater uses 3 high-quality ceramic plaques that radiate heat like the sun, providing comforting warmth. It works as a natural propane wall heater for indoor use - space heater in any room.
* Estimated stock levels as of Wed, Jun 3, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
Comfort Glow Vent-Free 18,000 BTU Radiant Propane Heater for Indoor Use, Variable Heat Control, 800 Sq. Ft. Heat, Piezo Ignition, 99.9% Efficient
The Comfort Glow Infrared Radiant Vent-Free Heater is a powerful and efficient natural gas heater for indoor use, delivering 18,000 BTUs to heat areas up to 800 sq. ft. This versatile natural gas heater provides flexibility for various spaces like homes, small garages, and offices. Its radiant infrared heat warms like the sun, using 3 high-quality ceramic plaques, making it a reliable space heater that operates without the need for electricity.
This ventless gas heater is 99.9% fuel efficient and simple to install, requiring no external vents. Equipped with safety features such as an Oxygen Depletion Sensor (ODS) and over-pressure safety device, it offers peace of mind. The variable heat control allows you to easily adjust the temperature, and the Piezo ignition ensures hassle-free operation. With compact dimensions (24" x 21" x 10.5"), it's the perfect gas wall heater for indoor use.
Heater comes ready for wall mounting. Floor Mounting Kit (sold separately) also available to convert wall heater to a floor unit for increased portability.
Specifications
General
| BTU | 18000 |
|---|---|
| Color | Beige, Black |
| Color Family | Brown / Beige / Tan |
| Fuel Type | Natural Gas |
| Heating Area (Sq Ft ) | 800 |
| Safety Features | Safe watch pilot / ODS system, over pressure safety device |
| Type | Natural Gas Heater |
Dimensions
| Depth | 10.5 in |
|---|---|
| Height | 24 in |
| Width | 21 in |
Manufacturing Details
The following information is subject to change without notice
| Manufacturer Warranty | 2 yr |
|---|---|
| Prop 65 Warning |
WARNING - CALIFORNIA RESIDENTS ONLY: This product and the fuel used to operate this product (natural gas), and the products of combustion of such fuel, can expose you to chemicals including benzene, which is known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov
|
| Shop USA | No |
Label Information
| Certification, Codes, Standards | CSA US |
|---|
