Low Cost Mr. Heater Big Maxx 75,000 BTU Propane Garage Unit Heater #MHU75LP

Mr. Heater Big Maxx 75,000 BTU Propane Garage Unit Heater #MHU75LPBuy Mr. Heater Big Maxx 75,000 BTU Propane Garage Unit Heater #MHU75LP

Mr. Heater Big Maxx 75,000 BTU Propane Garage Unit Heater #MHU75LP Product Description:



  • Efficient and effective convection heat for up to 1,100 sq. ft.
  • Attractive low profile design
  • Easily installs from ceiling
  • Power exhaust allows for vertical or horizontal venting
  • Features self-diagnostic control module

Product Description

The MHU75LP is a propane fired, forced air convection heater. This unit is ideal when ceiling heights do not allow for infrared heaters to be used. It easily installs from the ceiling with included angle brackets. Unit has power exhaust which allows for both vertical or horizontal venting. Unit is thermostatically controlled and includes a spark ignition system with self diagnostic control module. This CSA certified heater will heat up to 1,000 square feet and comes with a three year limited warranty on the parts and the burner and a ten year warranty on the heat exchanger.

Customer Reviews

Most helpful customer reviews

15 of 15 people found the following review helpful.
5Great Heater.
By Thomas A. Ravelli
I recieved the heater within 3 days of placing my order, excellant service from Amazon.com. I installed the heater in my wood shop and it took several hours, since the heater had to be installed to meet Michigan code. I hard wired the unit and ran 1/2" black iron pipe for the supply line and installed the horizontal vent per code. I also order the Mr Heater horizontal vent kit and Mr. Heater thermostat. The thermostat came in damaged caused by a very heavy package that was placed on top of the thermostat during shipping. I tested the the thermostat and indeed it was defective. I went into my account on Amazon.com and returned it to them; HASSLE FREE!! After getting the instructions for the heater and finding out that it also set up to run the fan alone to circulate the air in the summer, I would recommend updating the thermostat to one that has a fan only setting also. I ordered a Honeywell thermostat RTH5100B 1025, which has the fan only feature from Amazon.com. The thermostat wiring for the heater should use the following terminals (it is in the instructions but you do have to hunt for them!): red, white and green. Green is for the fan only setting. The Honeywell thermostat uses the same color coding for thier terminals. Once everything was hooked up the heater brought my shop up to 70 degrees in about 15 minutes. I'll place some more comments once the winter really sets in, up here in in the good ol' U.P. of Michigan, to let you how the heater performs when it get really cold. My guess is the Mr. Heater MHU75 LP will be trouble free and continue to keep my shop at 68 to 70 degrees all winter long!

7 of 7 people found the following review helpful.
5Greate heater,
By Louie Edwards
I have a 30'x 36' wood shop. The heater heats the room rapidly. The heater was vary easy to install. Took me about 4 hours. cutting a hole in the wall and running a propane gas pipe.

0 of 0 people found the following review helpful.
1STAY AWAY ! MADE IN CHINA !
By JAREK
I'VE HAD THIS UNIT IN MY GARAGE FOR THE PAST 2 YEARS AND IT FAILED 17 TIMES ! - ALWAYS WHEN I NEEDED IT ! MY TECHNICIAN DOES NOT WANT TO TOUCH IT ANYMORE ! NOW I AM DEALING WITH THE FACTORY TECHNICIAN IN THE US (I'M IN CANADA ) WHO IS VERY HELPFUL BUT THE WARRANTY ONLY COVERS PARTS - NO LABOUR ! IM IN FOR OVER $450,- IN LABOUR COSTS !

See all 5 customer reviews...


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Buy Mr. Heater Big Maxx 75,000 BTU Propane Garage Unit Heater #MHU75LP