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Model#: MRHNF270490

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Mr. Heater MH80CV 80,000 BTU Convection Construction Heater

  • Mr. Heater MH80CV 80,000 BTU Convection Construction Heater
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The Mr. Heater MH80CV 80,000 BTU Convection Construction Heater is designed to heat construction sites and buildings under repair that may not have heating or insulation. It's also useful for on-the-go heating in drafty places like utility farm buildings, barns and factories.
  • Heats approximately 1,900 sq-ft.
  • Runs up to 14 hours on 20 lbs. tank - low setting
  • Standing pilot for increased safety
  • Piezo push button igniter
  • Telescoping chamber for reduced ship cube/retail space
  • Insta-Lock chamber for easy assembly
  • 10 ft. hose and regulator included
  • For indoor use only in an area that is well ventilated
  • CSA certified
  • 80,000 BTU Convection Construction Heater - F270490
  • 10 ft. hose and regulator


BTU Per Hour: 80,000
Fuel Type: Propane
Heat Range: 1,900 sq. ft.
Heater Type: Convection
Run Time: 14 hrs.



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Questions & Answers

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Browse 2 questions Browse 2 questions and 2 answers
Is this electric?
jake on Feb 17, 2016
BEST ANSWER: No, the NF270490 is a propane heater
Can a 40 or 100lb tank be used with this unit? If so are any additional items need? Can unit be used in a garage? Thank you
Henry on Nov 22, 2015
BEST ANSWER: The recommended tank size is 5 - 25 gallon tank. The heater can be used indoors with the proper ventilation requirements (please see manual)


Mr. Heater Limited Warranty

The company warrants most products to be free from defect for one year from date of purchase. At its option, the company will repair or replace products returned by the buyer to the factory free of charge, if it has been proven to be defective within the 1-year period. If a product has to be returned, it will be at the customers expense, with proof of purchase, to Mr. Heater.