Mr. Heater 20000 BTU Vent Free Radiant Natural Gas Heater F299821
Mr. Heater 20000 BTU Vent Free Radiant Natural Gas Heater F299821
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Mr. Heater

Mr. Heater 20000 BTU Vent Free Radiant Natural Gas Heater F299821

4.1 stars out of 35 reviews
(4.1)|
35 ratings

Key item features

  • Powerful Heating: This 20,000 BTU natural gas heater effectively warms areas up to 700 square feet, providing supplemental heat even on the coldest days.
  • Radiant Warmth: Utilizing multiple burner tiles, the radiant heat burner system warms your space with a sun-like effect.
  • Precise Control: Equipped with a built-in thermostat, this heater allows for automatic and superior temperature regulation.
  • Effortless Ignition: A battery-powered electronic ignition system, with an included battery, ensures easy and quick startup.
  • Flexible Installation: The unit can be permanently mounted to a wall or securely fastened to the floor using the provided brackets and fasteners.
  • Enhanced Safety: Features an automatic low oxygen shut-off system (ODS) for safe operation and peace of mind.
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Current price is $245.80
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  • Free 30-day returns
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Columbus, 43215
Arrives by Tue, Feb 17
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Sold and shipped by Supply the Home
4.300520254866429 stars out of 5, based on 17107 seller reviews(4.3)
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Customer ratings & reviews

4.1 out of 5 stars
stars35 ratings13 reviews
How item rating is calculated
  1. 5 stars66% (23)
  2. 4 stars11% (4)
  3. 3 stars3% (1)
  4. 2 stars3% (1)
  5. 1 star17% (6)

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Showing 1-3 of 13 reviews

Jan 15, 2026
Alan
Sold and shipped byCPO Commerce
5 out of 5 stars review

Verified Purchase

Great instant heat

Excellent instant heat, I use it to supplement my furnace or as the only heat source when it's warmer. I also have the 30K BTU in my basement. My area can get below zero F* and I frequently lose power. My house is 700sq feet.

Helpful?21VKXX7UWEM8132497943
Feb 10, 2026
Don
Sold and shipped bySupply the Home
5 out of 5 stars review

Verified Purchase

Senior Heater

Also get the Mr Heater gas hookup kit and optional fan. Pilot did not light at first, had air in new gas line ne, be patient. Works great, pleased. Don't sit close, it will cook you.

Helpful?21VKXX7UWEM8132497943
Jan 31, 2026
Nesha
Walmart Associate
Sold and shipped byCPO Commerce
5 out of 5 stars review

Verified Purchase

Great heater

Great heater keeps my room and bathroom warm and it got delivered 3 days early from when I suppose to get it yes shipping is fast!!!

Helpful?21VKXX7UWEM8132497943