Close
Skip to content

Close
Advantage Exclusive

FREE SHIPPING — Mr. Heater Natural Gas Vent-Free Blue Flame Wall Heater — 20,000 BTU, Model# MHVFB20NGT

Item# 52564
FREE SHIPPING — Mr. Heater Natural Gas Vent-Free Blue Flame Wall Heater — 20,000 BTU, Model# MHVFB20NGT

Hover over image to zoom

Click image to enlarge

Tap image to enlarge

Was $199.99
Sale $179.99

Save $20.00 + Free Shipping (Lower 48 states)

Add to Cart
  • Heat areas up to 500 sq. feet
  • Uses natural convection to circulate warm, comfortable air throughout the room — great for family rooms, workshops, basement and other hard-to-heat areas
  • Easy installation with no venting or electricity required, making it ideal for power outages
  • Clean-burning, cost-effective heat
  • Multi-output valve provides easy temperature regulation
See full description
In Stock Online
Ship it | See Shipping Options
Buy it in a Store | Check Store Stock
 

Product Summary

Mr. Heater Natural Gas Vent-Free Blue Flame Wall Heater uses natural convection to circulate warm, comfortable air evenly throughout your entire room, uniformly providing cozy warmth like your home heating system. No venting, chimney or electricity is required, making this heater ideal for power outages. You also get easy temperature control, thanks to the multi-output valve. Convenient electronic piezo ignition offers simple, reliable starting and the automatic low oxygen shutoff system provides safety. Includes brackets for wall mounting and legs for floor use. Add the optional blower, Item# 52571 (sold separately), to help circulate warmth more quickly and efficiently. Not for sale in California or Canada. Use in accordance with local codes and ordinances.

What's Included
  •  (1) Heater

Features + Benefits

Features for FREE SHIPPING — Mr. Heater Natural Gas Vent-Free Blue Flame Wall Heater — 20,000 BTU, Model# MHVFB20NGT
  • Heat areas up to 500 sq. feet
  • Uses natural convection to circulate warm, comfortable air throughout the room — great for family rooms, workshops, basement and other hard-to-heat areas
  • Easy installation with no venting or electricity required, making it ideal for power outages
  • Clean-burning, cost-effective heat
  • Multi-output valve provides easy temperature regulation
  • Convenient electronic piezo ignition for no-hassle starting
  • Automatic low oxygen shutoff system
  • Includes brackets for wall mounting and legs for floor use
  •  Requires 6in. clearance from corner and side wall
  • 4500ft. high altitude restriction
Key Specs
Item# 52564
Brand Mr. Heater
Manufacturer's Warranty 12 months parts / 12 months labor
Ship Weight 28.0 lbs
Product Type Convection heat
Needs Direct Venting No
BTU Output 20,000
Heating Capability (sq. ft.) 500
Blower Included No
Clearance from Corner (in.) 6
Clearance from Side Wall (in.) 6
Heat Settings 2
Gas Inlet (in.) 3/8
Igniter Electronic
Thermostat Included Yes
Dimensions L x W x H (in.) 23 3/4 x 11 1/4 x 27

Customer Reviews

Product Question + Answer
Accessories Frequently Purchased with this Item
We Recommend
Mr. Heater Blower Fan — For Mr. Heater 20,000–30,000 BTU Vent-Free Heaters, Model# F299201
Mr. Heater Blower Fan — For Mr. Heater 20,000–30,000 BTU Vent-Free Heaters, Model# F299201
Item# 52571
In Stock Online
Only $44.99
Add to Cart
Mr. Heater Universal Gas Connection Kit, Model# F271239
Mr. Heater Universal Gas Connection Kit, Model# F271239
Item# 172712
In Stock Online
Only $21.99
Add to Cart
Replacement Parts
Call To Order: 1-800-657-0516

Mon - Fri 7:00 AM - 6:00 PM (Central)
Sat 7:00 AM - 3:00 PM (Central)

Don't Know Your Part Number?

Locating the part number for your item ahead of time will help ensure you quickly receive the correct items.

Find Parts
Parts + Service Available at Stores

Look for stores that have this icon:

Parts + Service

Find Stores

Warranty

Compare with Most Popular Natural Gas Wall Heaters

See All Natural Gas Wall Heaters
 
 
Currently Viewing
 
 
 
 
3.8 / 5 (6)
Item# 52553
In Stock Online
Was $119.99
Sale $109.99
Save $10.00

+ Free Shipping

FREE SHIPPING — Mr. Heater Natural Gas Vent-Free Blue Flame Wall Heater — 20,000 BTU, Model# MHVFB20NGT The price is $179.99.
FREE SHIPPING — Mr. Heater Natural Gas Vent-Free Blue Flame Wall Heater — 20,000 BTU, Model# MHVFB20NGT
(Not Yet Rated - New)
Item# 52564
In Stock Online
Was $199.99
Sale $179.99
Save $20.00

+ Free Shipping

5 / 5 (2)
Item# 52559
In Stock Online
Was $199.99
Sale $179.99
Save $20.00

+ Free Shipping

4.6 / 5 (11)
Item# 52570
In Stock Online
Was $239.99
Sale $191.99
Save $48.00

+ Free Shipping

4.1 / 5 (8)
Item# 44637
In Stock Online
Was $559.99
Sale $529.99
Save $30.00
Hide Similarities
Product Type Convection heat Convection heat Radiant heat Convection heat Radiant heat
Needs Direct Venting No No No No Yes
BTU Output
10,000 20,000 20,000 30,000 15,000
Heating Capability (sq. ft.) 250 500 500 750 650
Blower Included No No No No Yes
Blower (CFM)
- - - - 125
Blower Power Supply (Volts, Amps) - - - - 115
Clearance from Corner (in.) 6 6 6 6 6
Clearance from Side Wall (in.) 6 6 6 6 6
Heat Settings 2 2 1 2 Variable
Gas Inlet (in.) 3/8 3/8 3/8 3/8 3/8
Igniter Piezo Electronic Electronic Electronic Pilot light
Thermostat Included No Yes Yes Yes No
Dimensions L x W x H (in.)
7 1/2 x 15 3/4 x 20 23 3/4 x 11 1/4 x 27 23 3/4 x 11 1/4 x 27 27 1/4 x 11 1/4 x 27 9 1/2 x 22 5/16 x 25 5/16