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Home > All Categories > Heaters, Stoves + Fireplaces > Propane > Heaters > Item# 173635
Mr. Heater Big Buddy™ Indoor/Outdoor Propane Heater — Model# MH18B | Buy now for just $114.99!
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Mr. Heater Big Buddy™ Indoor/Outdoor Propane Heater — Model# MH18B

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Provides temporary heat for barns, sheds, cabins, campers, patios, garages, sporting events, hunting blinds and more. Dual heating system combines radiant heat comfort with convection heat air flow for maximum heating efficiency. 4000, 9000 and 18,000 BTU with the capacity to heat up to 400 square feet for up to 108 hours on 20-lb. propane tank.

Item# 173635

Was $129.99
Sale $114.99
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Key Product Specs
Heating ApplicationPortable, Outdoor
BTU Output18,000
Vent-FreeYes
Heating Capability (sq. ft.)400
Blower IncludedYes
Blower Power Supply (Volts, Amps)110
Heat Settings3
Fuel TypePropane
Fuel Consumption (gal./hr.)3-12 hrs on two 1 lb tanks, 50-220 hrs on two 20 lb tanks
IgniterMatchless push-button starter
Thermostat IncludedNo
Remote IncludedNo
Oxygen Depletion SensorYes
Dimensions L x W x H (in.)17 x 10 x 17 1/2

Additional Product Specs
  • 4000, 9000 and 18,000 BTU settings
  • Up to 108 hours of use
  • Tip-over cutoff switch
  • CSA certified
  • Uses two 1-lb. or one 20-lb. propane tank (propane not included) with optional hose connections (Items 173645, 173646)
  • Blower fan uses A/C adapter (Item# 172641, sold separately) or 4 D-cell batteries (not included)
powered by propane
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Item# 172645 Item# 173635 Item# 173634
Was $499.99 Was $129.99 Was $89.99
Sale $484.99 Sale $114.99 Sale $69.99