Skip to Content

Mr. Heater 20K BTU Natural Gas Blue Flame Heater with Built In Vent Free Blower Kit

  • mfr: F299721_K2
  • SKU: MRY20KNGBLACC
In Stock

Available options:

  • Free standard shipping

    *Orders placed before 3 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy

  • Free Local Pickup

    Please call for store stock availability.

    Requests made before 2:30 PM EST can be available for next-day pickup. Learn more

Additional options:

Product highlights

  • 20,000 BTU per hour
  • For use with natural gas
  • Heats up to 700 square feet
  • Blue flame burner for even convection heat
  • Thermostat for automatic temperature control
  • Automatic low oxygen shut-off system (ODS)
  • Legs and wall mounting hardware included
  • Blower fan kit included
  • Vent-free accessory helps connect to a remote LP tank
  • 4,500-feet high altitude restriction

Mr. Heater 20K BTU Natural Gas Blue Flame Heater with Built In Vent Free Blower Kit

Mr. Heater Vent Free Blower Fan Kit for 20K and 30K Units

This unit can only be added to the Mr. Heater 20,000 and 30,000 BTU heaters made in 2016 and current models. The electrical cord that is connected to the fan assembly can then be plugged into a wall outlet and the three position rocker switch for the fan can be set for either off all the time, the middle position, On all the time, the top position, and the Automatic, bottom position, which allows the fan to turn on and off with the heat from the Vent Free unit as it operates. This switch can be reached even when the heater is mounted to the wall.

Mr. Heater Vent Free Blue Flame Natural Gas Heater (No Blower/20,000 BTU/Hr)

Starting in 1984, Enerco’s Mr. Heater brand has delivered innovative technology and unmatched quality and service as America’s most popular brand of heaters. From its original tank tops to its patented buddy heaters, millions of consumers have enjoyed high-quality comfortable heat. Mr. Heater adds the 20,000 BTU/Hr Blue Flame Heater to its collection.

Portable Heating Solution

This Blue Flame 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.

Wall or Floor Mount

This unit can be permanently mounted to the wall or securely fastened to the floor with included mounting brackets and fasteners. A clean burning blue flame tube burner uses the natural convection of the burn to circulate warm comfortable air. With a factory standard Oxygen Depletion Sensor (ODS), rest assured this heater will provide you with years of comfortable and safe heat.


*Note: Blower and Glass Sheild are not included

Questions

Customer Questions
No Questions

Returns

Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges. 
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact [email protected] with your order number and a description of the damage. 
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at [email protected], or send us a message here.  
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead. 
If you ordered a kit, you must return all components and accessories to receive a full refund. 
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund. 
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900. 
Most items can be returned within 30 days for a full refund. Click here to read our full return policy. 

Shipping and Returns

Same Day Shipping

All orders placed by 4PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

Free Two-Day Shipping

We offer free expedited shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).

Flexible, Easy Returns

If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.

Ratings and reviews

b364cf9b61bdc972c0d8cf4913b274739cbb22d9b304429bdfcbb3ecc4cbfd35-78d8989b555d327d.jpg

Mr. Heater 20K BTU Natural Gas Blue Flame Heater with Built In Vent Free Blower Kit SKU: MRY20KNGBLACC