Mr. Heater MH25LP 22,000-BTU Propane Radiant Heater

Mr. Heater MH25LP 22,000-BTU Propane Radiant Heater

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Mr. Heater MH25LP 22,000-BTU Propane Radiant Heater Short Description


A real lifesaver during power outages! Clean, quiet, odorless LP heater has thermostat for comfort control. No electricity required. Heats a 500 square-foot area (about a 2 1/2 car garage). 29 3/4in. x 12 1/4 x 7in. wall-mount heater has automatic safety shutoff. All metal with chrome-plated steel grid and reflector. How-to video and brackets included. AGA certified. U.S.A. Check local codes and ordinances for approved installation and usage. Clearance from Corner (in.): 30, Needs Direct Venting: No, Thermostat Included: Yes, Blower Included: No, BTU Output: 22,000, Oxygen Depletion Sensor: Yes, Dimensions L x W x H (in.): 29 3/4 x 7 x 12 1/4, Heating Capability (sq. ft.): 500, Clearance from Rear Wall (in.): 30, Product Type: Radiant heat, Clearance from Side Wall (in.): 30, Igniter: ElectronicThe Mr. Heater MH25LP garage heater is a quiet, odor-free, and low maintenance option for heating your garage. At 25,000 Btu, this unit is powerful enough to heat up to 600 square feet. It uses radiant heat, so it doesn't waste fuel heating the surrounding air (it doesn't use any electricity, either). The heater comes fully assembled out of the box--all you have to do is mount it and hook it up to your propane source. Do not use in inhabited or small, enclosed areas. CSA and AGA design certified. One-year warranty on gas control; five-year warranty on burner.--Josh Dettweiler

What's in the Box
Heater, bracket, lag bolts

Five Tips for Buying a Heater
Choosing a space heater is a matter of sifting through a bewildering array of types, power ratings, and fuel sources. Let's break it down a little to make the process easier.

What are the different types of space heaters?

  • Radiant heaters emit infrared radiation that directly warms the objects in front of the heaters (rather than the surrounding air). If you only need heat by a desk or in a small section of a room, a radiant heater is quiet and will use very little power.
  • Forced-air heaters use a fan to blow air that has been warmed by metal or ceramic heating elements. A forced-air heater is appropriate for quickly heating up a small- to medium-sized room, but can be noisy.
  • Convection heaters draw cold air from the floor; the air is warmed by heating coils and emitted from the top of the heater. A convection heater is appropriate for quickly heating up a small- to medium-sized room, but also can be noisy.
  • Radiators work by heating oil enclosed in a reservoir, gradually heating the surrounding air. If heating speed isn't an issue, you might want to opt for a radiator. These are extremely quiet and effective--perfect for bedrooms.

Should I buy an electric or a combustion model?
If you want a heater that will be available in emergencies, or that can heat areas larger than a single room, choose a "combustion" model--one that is powered by a gas or fuel like propane, kerosene, natural gas, or diesel. Which fuel type you choose depends largely on convenience and local availability. For example, diesel would be appropriate for a heater you take with you on long car trips.

How powerful a heater do I need?
Heaters are rated by BTU, which stands for British Thermal Unit (the amount of heat needed to heat one pound of water by 1 degree F). To find out how many BTU you need:

  • Calculate the volume of the space to be heated by multiplying square footage by height.
  • Multiply that number by 4 if your insulation is poor, 3 if it's average, or 2 if it's good.
The resulting number is a ballpark figure for how many BTU you'll need.

Do space heaters cost a lot to operate?
As a general rule, electric space heaters are more expensive to use than combustion models. To ensure energy efficiency, a thermostat is a must-have feature for any heater. For radiant heaters, models with a 360 degree heating surface can heat larger spaces. If you need a forced-air heater, models with ceramic elements tend to be more efficient.

Are space heaters a fire hazard?
Space heaters are implicated in about 25,000 residential fires every year. To ensure proper safety, always follow the manufacturer's usage instructions and fill out the warranty card to receive informational updates from the manufacturer. Also, look for extra safety features such as an automatic shutoff switch that can shut down the unit if, for example, it gets upended. In addition, choose a model where the heating element is adequately enclosed within the unit.


Mr. Heater MH25LP 22,000-BTU Propane Radiant Heater Key Features


  • 22,000-BTU propane radiant garage/workshop heater
  • Heats up to 600 square feet--roughly the size of a 2-1/2 car garage
  • Efficient radiant heat warms objects directly, not surrounding air
  • Comes fully assembled out of the box; CSA and AGA design certified
  • Measures 29-1/4 by 13-1/2 by 14-1/2 inches; 1-year limited warranty




List Price: $ 498.84


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Posted by Janice Foy, Published at 1:42 PM and have