

Hero image 0 of Kozy World Natural Gas Infrared Wall Heater KWN521 - 30,000 Btu 5 Plaque Vent Free, 0 of 1
Kozy World Natural Gas Infrared Wall Heater KWN521 - 30,000 Btu 5 Plaque Vent Free
Key item features
- Efficient Heating: This 30,000 BTU natural gas wall heater provides efficient, supplemental heat for indoor spaces up to 1,250 sq ft using advanced infrared technology with ceramic plaques.
- Vent-Free Operation: The ventless design operates at 99% fuel efficiency, requiring no electricity, ductwork, or venting, and includes a built-in oxygen depletion sensor for safety.
- Manual Control: Features manual temperature control and a safe watch pilot/ODS system, ensuring reliable and user-friendly operation.
- Sleek Design: The neutral beige design and compact wall-mount style blend seamlessly with various decors and save valuable floor space.
- Residential Application: Designed for standard US residential and light-commercial install conditions, suitable for new-construction, remodel, and individual unit replacement work.
- Kozy World: Part of the Kozy World residential product line, sourced direct from the manufacturer or authorized distributor for standard US residential installations.
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Specs
- Space heater typeWall Heaters
- Power typeManual
- Maximum room size1250 sq ft
- Rec. useIndoor
- FeaturesTemperature Controlled
- BrandKozy World
Current price is USD$326.70
Price when purchased online
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About this item
Product details
The Kozy World Comfort Glow 30,000 BTU natural gas wall heater is designed to provide efficient, supplemental heat for indoor spaces up to 1,250 sq ft. This ventless wall heater uses advanced infrared technology with ceramic plaques to deliver immediate, soothing warmth, making it ideal for living rooms, basements, or workshops. With manual temperature control and a built-in oxygen depletion sensor for added safety, this natural gas ventless heater operates at 99% fuel efficiency and requires no electricity, ductwork, or venting. The sleek, neutral beige design blends seamlessly with any decor, while the compact wall-mount style saves valuable floor space. Additional features include a safe watch pilot/ODS system and compatibility with optional accessories like a floor stand or blower, sold separately. The Kozy World Comfort Glow natural gas wall heater is a reliable choice for those seeking a powerful, vent-free heating solution for their home. Not for use at elevations above 4,500 ft or in California or Canada; always check local codes before purchase. Professional installation is recommended for optimal performance and safety.
- PRODUCT IDENTIFICATION: Kozy world general in natural — sourced direct from the manufacturer or authorized distributor. Designed for standard US residential install conditions across remodel, new-construction, and individual fixture replacement work.
- GENERAL INSTALLATION: Designed for standard US residential use — applied or installed per the manufacturer's directions on the labeled surfaces or substrates. Built to meet common US residential install specs across new-construction and replacement work.
- NATURAL FINISH: Ships in Natural finish — coordinates with matching Kozy World accessory pieces in the same finish family for a unified look across the install location. Designed for standard US residential install conditions across remodel, new-construction, and individual fixture replacement work.
- KOZY WORLD BRAND: Part of the Kozy World residential product line — backed by manufacturer support and warranty terms as specified by the brand. Sourced direct from the manufacturer or authorized distributor. Designed for standard US residential install conditions across remodel, new-construction, and individual fixture replacement work.
- RESIDENTIAL & COMMERCIAL USE: Designed for standard US residential and light-commercial install conditions across new-construction, full remodel, and individual unit replacement work. Pairs with matching same-brand accessory items where applicable.
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Specifications
Space heater type
Wall Heaters
Power type
Manual
Maximum room size
1250 sq ft
Rec. use
Indoor
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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Showing 1-2 of 2 reviews
Feb 24, 2026
debra
5 out of 5 stars review
Verified Purchase
%23Works great when power goes out warmed my 1100 sq ft home
Incentivized Review
Helpful?7DQXIMUZ8RVK5383313781
Feb 11, 2026
Larry
5 out of 5 stars review
Verified Purchase
Comfort glow heater through Walmart!
Great heater!! Keeps my garage at a constant temperature!!
Incentivized Review
Helpful?7DQXIMUZ8RVK5383313781







