Comfort Glow Infrared Gas Heater KWN521 - 30000 BTU, Vent-Free, Indoor, Heats 1250 Sq Ft
Comfort Glow Infrared Gas Heater KWN521 - 30000 BTU, Vent-Free, Indoor, Heats 1250 Sq Ft
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Comfort Glow Infrared Gas Heater KWN521 - 30000 BTU, Vent-Free, Indoor, Heats 1250 Sq Ft

4.4 stars out of 9 reviews
(4.4)|
9 ratings
Comfort Glow Infrared Gas Heater KWN521 - 30000 BTU, Vent-Free, Indoor, Heats 1250 Sq FtDuraHeat Kozy World 30 000 BTU Infrared Natural Gas Wall HeaterDuraHeat Kozy World 18 000 BTU Natural Gas Infrared Wall Mounted Heater
BTU:30000

Key item features

  • Powerful Heating: Heats up to 1,250 square feet with a 30,000 BTU output, utilizing five ceramic plaques for radiant warmth.
  • Efficient Fuel: Operates on natural gas, offering 99.9% fuel efficiency without requiring electricity, ideal for off-grid use.
  • Enhanced Safety: Features a Safe Watch pilot, Oxygen Depletion Sensor (ODS) system, and an over-pressure safety device for secure operation.
  • User Control: Equipped with piezo ignition and variable manual heat control for easy startup and adjustable temperature settings.
  • Simple Installation: Includes a wall bracket and hardware kit for straightforward mounting, with an optional floor mounting kit available.
  • Vent-Free Design: Provides comfortable infrared heating as a vent-free natural gas wall heater, delivering sun-like warmth indoors.
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Current price is Now $280.26
You save $46.34
was $326.60
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Columbus, 43215
Arrives by Fri, Feb 20
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Sold and shipped by Supply the Home
4.300990675990676 stars out of 5, based on 17160 seller reviews(4.3)
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Comfort Glow Infrared Gas Heater KWN521 - 30000 BTU, Vent-Free, Indoor, Heats 1250 Sq Ft $280.26 Was $326.60

Comfort Glow Infrared Gas Heater KWN521 - 30000 BTU, Vent-Free, Indoor, Heats 1250 Sq Ft
current price Now $280.26, Was $326.60
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Comfort Glow Infrared Gas Heater KWN521 - 30000 BTU, Vent-Free, Indoor, Heats 1250 Sq Ft

4.4 out of 5 Stars. 9 reviews

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Comfort Glow Infrared Gas Heater KWN521 - 30000 BTU, Vent-Free, Indoor, Heats 1250 Sq Ft
Comfort Glow Infrared Gas Heater KWN521 - 30000 BTU, Vent-Free, Indoor, Heats 1250 Sq Ft
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Comparison Chart:
Fuel typeNatural GasComfort Glow Infrared Gas Heater KWN521 - 30000 BTU, Vent-Free, Indoor, Heats 1250 Sq FtPropaneWorld Marketing KWD325 3 Plaque Dual Fuel Infrared Vent Free Wall HeaterPropaneComfort Glow Blue Flame Vent-Free 30,000 BTU Gas Wall Heater, Natural Gas/LP - CGS379
Space heater typeInfrared HeatersComfort Glow Infrared Gas Heater KWN521 - 30000 BTU, Vent-Free, Indoor, Heats 1250 Sq FtInfrared HeatersWorld Marketing KWD325 3 Plaque Dual Fuel Infrared Vent Free Wall HeaterWall HeatersComfort Glow Blue Flame Vent-Free 30,000 BTU Gas Wall Heater, Natural Gas/LP - CGS379
Power typeGasComfort Glow Infrared Gas Heater KWN521 - 30000 BTU, Vent-Free, Indoor, Heats 1250 Sq FtGasWorld Marketing KWD325 3 Plaque Dual Fuel Infrared Vent Free Wall HeaterGasComfort Glow Blue Flame Vent-Free 30,000 BTU Gas Wall Heater, Natural Gas/LP - CGS379
Maximum room size1250 sq ftComfort Glow Infrared Gas Heater KWN521 - 30000 BTU, Vent-Free, Indoor, Heats 1250 Sq Ft800 sq ftWorld Marketing KWD325 3 Plaque Dual Fuel Infrared Vent Free Wall Heater1250 sq ftComfort Glow Blue Flame Vent-Free 30,000 BTU Gas Wall Heater, Natural Gas/LP - CGS379
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Customer ratings & reviews

4.4 out of 5 stars
stars9 ratings4 reviews
How item rating is calculated
  1. 5 stars78% (7)
  2. 4 stars11% (1)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star11% (1)
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Showing 1-3 of 4 reviews

Oct 15, 2025
anonymous
Item details
BTU: 18000
Sold and shipped byComfort Home Products
5 out of 5 stars review

Verified Purchase

Love it

Purchased for a large bedroom and on the lowest setting this thing throws out a lot of heat. Much better than expected and I'm about to order another to put in the living room. Was also very easy to mount on the wall and hook up.

Incentivized Review
Helpful?4KVQQKLPIYRW47657448
Feb 9, 2026
opal
Item details
BTU: 18000
Sold and shipped byComfort Home Products
5 out of 5 stars review

Verified Purchase

The heater is amazing but I'm waiting on the propane guys to come on the 12th of February to install. I will tell you more after that

Incentivized Review
Helpful?4KVQQKLPIYRW47657448
Dec 10, 2025
susan
Item details
BTU: 18000
Sold and shipped byComfort Home Products
5 out of 5 stars review

Verified Purchase

Easy to use

i love this heater. i have .limited use of my hands and lighting and using this is very easy for me. Great product.

Incentivized Review
Helpful?4KVQQKLPIYRW47657448
reply from Comfort Glow

Thank you for sharing your experience.