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Big Buddy Indoor Safe Propane Portable Heater - Mr. Heater MH18B - 4,000 to 18,000 BTU/Hr Portable Heaters |
- Swivel regulators and single control
- Automatic low oxygen shutoff system
- Accidental tip-over safety shutoff
- Heats up to 400 square feet
- Low, medium, and high heat level control knob for steady temperatures
- Battery or A/C powered blower fan for versatility
- Built-in Piezo starter for easy starts
I use this Mr. Heater MH18B Portable Propane Heater to warm up my WilderNest Camper when I go camping in the winter. I have used it at elevations ranging from ~4,500-10,000 feet. I have spent many a winter's night camping anywhere from Crested Butte, CO, to Canyonlands NP, Utah, with temps ranging from the low 20s to -10 F. The -10 trip was this past February in Crested Butte.
On that trip, as with all others, within minutes of firing up the heater I was able to take off my hat and gloves; by the time my coffee water was boiling I had no need for my jacket, and by the time I drank my coffee I was too hot and stripped down to t-shirt and shorts... in February, in Crested Butte, at 9000ft.
This thing has high BTUs and that means it does drink its fair share. If you intend to use this Mr. Heater MH18B Portable heater for long periods of time you must use a 20 lb gas cylinder. If you are looking to heat up weekenders, or week long trips then you will be happy. I've now switched back to using two 1 lb gas cylinders.
This product is light and portable. It has a fan which is essential in circulating heat. It allows for using 1 or 2 one pound propane cylinders like you use for camping stoves and lanterns, or you can hook it up to larger propane tanks (20, 40 lb +) with optional hoses and filter for much longer run times. You can also purchase an optional electrical adapter for the fan, or just run it on batteries.

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