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Mr. Heater Corporation Vent-Free 20,000 BTU Radiant Natural Gas Heater, Multi,White

4.5 4.5 out of 5 stars 479 ratings

To see product details, add this item to your cart. You can always remove it later.
Heater

Purchase options and add-ons

Brand Mr. Heater
Special Feature Low-Oxygen Safety Shutoff
Color White
Form Factor Cabinet
Indoor/Outdoor Usage Indoor
Power Source
Gas Powered
Heating Method
Radiant
Item Weight
24.8 Pounds
Heat Output
20000

About this item

  • 20,000 BTU Natural Gas heater to heat spaces up to 500 sqaure feet.
  • Radiant heat burner. Heating Area (Sq Ft) - 700
  • Automatic low oxygen shut-off system (ODS). CSA Certified. Use - Supplemental heat in cold rooms, Additions, Sun rooms, Cabins
  • Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.
  • Theromostat, legs and wall mounting hardware included. Refer to the PDF attached below in Technical Specification for User Manual..Thermostat for automatic temperature control.For use with Natural Gas

Customer ratings by feature

Easy to install
4.5 4.5
Easy to use
4.3 4.3
Value for money
4.2 4.2
Comfort
4.1 4.1

Frequently bought together

$150.53
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$27.99
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Mr. Heater Corporation Vent-Free 20,000 BTU Radiant Natural Gas Heater, Multi,White
Mr. Heater Corporation Vent-Free 20,000 BTU Radiant Natural Gas Heater, Multi,White
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Price-16% $150.53
Typical:$179.97
-17% $207.80
List:$249.00
$199.99$197.99$193.04-14% $59.99
Typical:$69.99
Delivery
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Get it as soon as Thursday, Mar 21
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Customer Ratings
Easy to use
4.3
3.4
4.5
4.4
4.5
4.7
Value for money
4.2
4.1
4.8
4.2
4.4
4.6
Easy to install
4.5
4.3
5.0
4.4
4.4
Heat output
4.4
4.6
4.5
4.4
4.8
Comfort
4.1
4.4
4.3
4.4
Sold By
Amazon.com
Amazon.com
Spreetail
Amazon.com
Amazon.com
Amazon.com
power source
Gas Powered
Gas Powered
Corded Electric
Corded Electric
Corded Electric
Gas Powered
heating method
Radiant
radiant & infrared
radiant & infrared
Convection
Convection
Convection
heating coverage
500 sq ft
1000 sq ft
500 square feet
750 sq ft
1000 sq ft
100 square feet
heat output
30000 btus
18000 btus
30000 btus
30000 btus
30000 btus
weight
24.75 pounds
25 pounds
0 pounds
26.75 pounds
26.75 pounds
5.5 pounds

From the manufacturer

Radiant Vent Free, heater, propane, natural gas, indoor safe heater
10000 btu, piezo ignition, heat settings, thermostat, electronic ignition, no electricity, no vent

Radiant Vent Free, indoor safe, mr heater

Radiant Vent Free Heater, radiant, low oxygen shut off

Radiant Vent Free Heater, mounted, free standing

Can be wall mounted or freestanding, feet ad hardware are included

Multiple burner tiles use radiant heater

Wire guard protects against contact with burner

insulated areas, drafty areas, blue flame, convection, radiant, infrared, heat
Radiant Vent Free Heater Radiant Vent Free Heater Radiant Vent Free Heater Radiant Vent Free Heater Radiant Vent Free Heater Radiant Vent Free Heater
Learn More Learn More Learn More Learn More Learn More Learn More
Customer Reviews
4.4 out of 5 stars
1,081
4.5 out of 5 stars
487
4.5 out of 5 stars
318
4.5 out of 5 stars
479
4.6 out of 5 stars
1,107
4.6 out of 5 stars
940
BTU 10,000 10,000 18,000 20,000 30,000 30,000
Heating Area (Sq. Ft.) 300 300 700 700 1,000 1,000
Ignition Piezo Piezo Battery Igniter (1-AAA) Battery Igniter (1-AAA) Battery Igniter (1-AAA) Battery Igniter (1-AAA)
Inlet Gas Pressure (Max) 14 Inches of Water 14 Inches of Water 14 Inches of Water 14 Inches of Water 14 Inches of Water 14 Inches of Water
Inlet Gas Pressure (Min) 11 Inches of Water 7 Inches of Water 11 Inches of Water 7 Inches of Water 11 Inches of Water 7 Inches of Water
Thermostat X X
Optional Blower Kit X X Sold Separately (F299201) Sold Separately (F299201) Sold Separately (F299201) Sold Separately (F299201)

Product guides and documents

Product information

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Mr. Heater Corporation Vent-Free 20,000 BTU Radiant Natural Gas Heater, Multi,White


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Product Description

This Radiant 20,000 BTU Natural Gas Vent Free heater is the perfect supplemental heating solution, even on the coldest days. This heater is conveniently equipped with a thermostat for superior control of the temperature in your space. Also, with a battery powered electronic ignition, starting it is a breeze - battery included. This unit can be permanently mounted to the wall or securely fastened to the floor with included mounting brackets and fasteners. Multiple burner tiles utilize radiant heat, warming your space with the power of the sun. With a factory standard Oxygen Depletion Sensor (ODS), rest assured this heater will provide you with years of comfortable and safe heat.*WE ARE NOT ABLE TO SELL THIS PRODUCT TO CANADA AND CALIFORNIA* ** Please note when operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.**

Customer reviews

4.5 out of 5 stars
4.5 out of 5
479 global ratings

Customers say

Customers like the quality, ease of installation, and value of the space heater. They mention that it works well, is easy to use, and produces plenty of heat. That said, opinions are mixed on the noise it makes.

AI-generated from the text of customer reviews

57 customers mention57 positive0 negative

Customers are satisfied with the quality of the space heater. They mention that it works well, is easy to use, and produces plenty of heat. Customers also say that it's quiet and works great at high elevations. Overall, customers are happy with their purchase and recommend it to others.

"I was unbelievably impressed and surprised how well the thermostat works. I thought it has 5 settings. Those are just points of reference...." Read more

"This fit perfectly on our wall and the basement is warm for the winter." Read more

"Not to diffacult to assemble, started it up really produces good heat, my shed is air tight & super insulated...." Read more

"...This little thing is amazing, and if the electricity goes out, I'll still be warm." Read more

16 customers mention16 positive0 negative

Customers find the installation process of the space heater to be easy. They mention that it is easy to hook up and install, and that it can be easily operated.

"Not to diffacult to assemble, started it up really produces good heat, my shed is air tight & super insulated...." Read more

"This is a great heater, easy to install, built in thermostat, push button electric ignition (1AA battery)...." Read more

"This heater was so easy to install! Not to mention I only have to run 2 burners for nice and cozy warmth. This was definitely the best buy!..." Read more

"...Wow, this thing is awesome, maybe a little too much. Easy to hook up and install, I wish it could have been recessed or at least a little more..." Read more

8 customers mention6 positive2 negative

Customers like the value of the space heater. They say it has a good value.

"The price is right, but plan on spending an additional $1,000-$1,500 for a professional install...." Read more

"...there wouldn't be any gas leaks or other problems and it was well worth the expense." Read more

"Its a great heater..But not very cost effective to operate. Uses a lot of gas LP." Read more

"...Very pleased with quality and great product for the money! Would def recommend!" Read more

3 customers mention3 positive0 negative

Customers are satisfied with the build quality of the space heater. They mention that it is well-made and meets their expectations. The control valve is built solid and has smooth action.

"...This my 3rd heater and wouldn’t recommend other brand. Control valve is built solid and smooth action. Five star every time!" Read more

"Fairly simple to install, with options , and seemingly well made, and meets expectations. Rare today." Read more

"...Not use to the smell. Hopefully it gets better. Seems well built" Read more

3 customers mention3 positive0 negative

Customers are satisfied with the efficiency of the space heater. They mention that it is very efficient and safe to use indoors.

"...- silent, temperature controlled = minimal adjustment, 100% efficient use of the fuel = no warm flue gas exiting the device...." Read more

"Very efficient and safe to use indoors.. I wall mounted in my son's room and he loves it." Read more

"Fuel efficient..." Read more

7 customers mention3 positive4 negative

Customers are mixed about the noise of the space heater. Some mention that it's far quieter than they expected, while others say that it makes some noise. Some customers also mention that the blue flame doesn't make a hundred popping noises every cycle, as there is no ceramic element.

"The device is great - silent, temperature controlled = minimal adjustment, 100% efficient use of the fuel = no warm flue gas exiting the device...." Read more

"...The fan is a little noisy but worth it. I would highly recommend." Read more

"This is a quiet powerful heater. I found the construction and materials used to be above average quality...." Read more

"...EDIT: after a few hours of operation it has started making popping noise on cool down, but still is far quieter than my Goodman furnace blower..." Read more

Good heater
5 Stars
Good heater
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