Mr. Heater “Buddy Flex” Portable Propane Heater


The next generation, Buddy® is here! The all new 2020 next generation Buddy FLEX™ and FLEX Accessories have been redesigned with all the features and safety you love.

The optional Mr. Heater Buddy Cooker costs $79.80 and is available here.

Check Price


The indoor safe, 11,000 BTU High Performance, Omni-Directional Mesh Burner provides high intensity radiant heat in a full 180° spread so everyone can enjoy the warmth! With integrated gas powered accessory controls and a quick connect accessory rail system, you’re safe and ready to go in any weather conditions and any event! Mr. Heater’s Trusted – Advanced Safety Detection Systems, including; Emergency Low Oxygen Safety System, Apex 50° Tip-Switch and Thermal Shut-Down System, you and your family are safe.

You asked and we listened! We updated our design to feature optimized wind barrier and pilot shield for maximum protection when using outdoors.

Left and Right side accessory doors feature battery compartment and Gas Accessory Quick Connect Port. Opposite door includes multi-purpose storage compartment for gloves, documents, power cords or fishing tackle box.

  • Indoor Safe Radiant Heater
  • 11,000 BTU Max Output Omni-directional Mesh Burner
  • Updated design featuring optimized wind barrier and pilot shield for maximum protection when using outdoors
  • Integrated Heater and Accessory Controls *patent pending
  • Quick Connect Accessory Rail system *patent pending
  • Patented Thermal Shut-down System
  • Integrated storage compartments

The optional Mr. Heater Buddy Cooker costs $79.80 and is available here.


Heating Area (Sq Ft) 275
Tank Capacity (Min) 1 lb
Run Time (Hrs at Max BTU) 2
Run Time (Hrs at Min BTU) 3.5
Fuel Consumption/Burn Rate (Gal/Hr) .121 Gal/Hr
Maximum Elevation (Ft) 9,000
Weight 11.02
Length 10.95
Width 15.35
Height 16.54
Use Supplemental heat in outdoors, indoors, camping, fishing, etc.
Thermostat N/A
Safety Tip-Over Switch Yes
Fuel Type Propane
Oxygen Depletion Sensor (ODS) Yes
High Limit Safety Shut-off (HLS) No
Ignition Electronic
Hose & Regulator Included No

Buddy Flex Manual

From the manufacturer

Buddy FLEX Canada;mr heater;portable heater Canada;MH11BFLEX;portable heater
Buddy FLEX Canada;mr heater;buddy FLEX heater and cooker;portable heater Canada
Buddy FLEX Canada;mr heater;mr buddy;wind guarded heater;11000 BTU heater;portable heater
Portable Buddy;mr heater;portable heater;camping heater;fishing heater;outdoor heater
Portable Buddy;mr heater;indoor safe heater;portable heater;low oxygen safety system heater
Portable Buddy;mr heater;portable heater;heater with handle;indoor safe heater
Little Buddy Portable Buddy Hunting Buddy Big Buddy Buddy Flex
Learn More Learn More Learn More Learn More Learn More
BTU 3,800 BTU 4,000 / 9,000 BTU 6,000 / 12,000 BTU 4,000 / 9,000 / 18,000 BTU 8,000 – 11,000 BTU
Heats up to 95 sq. ft. 225 sq. ft. 300 sq. ft. 450 sq. ft. 275 sq. ft.
Run time 5.6 hours 5.4 hours on low / 2.4 hours on high 3.6 hours on low / 1.8 hours on high 10.8 hours on low / 4.8 hours on medium / 2.4 hours on high 3.5 hours on low / 2 hours on high
Ignition Piezo Piezo Electric Piezo Electric
Tank Size 1 lb. cylinder 1 lb. cylinder 1 lb. cylinder (2) 1 lb. cylinders 1 lb. cylinder
20 lb. tank hook up option
Swivel regulator
Indoor safe


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

You may also like…