Just because you’re spending time outdoors during the cold season doesn’t mean you have to put up with the chill warm up any outdoor or garage space with the radiant warmth of the Mr. Heater 45,000 BTU 540 Degree Outdoor Propane Tank Top Heater.
With a 360 degree top of tank burner, this heater allows you to radiate heat in all directions in your space, or adjust the the 180 degree bracket to target your heating in whatever direction you want. This small propane space heater mounts easily to a standard 20 pound propane tank (not included), and features a TE valve for easy lighting. This outside propane heater also has a safety shut off tip over switch.
Turn up the heat with between 30,000 45,000 BTUs per hour and keep a space warm for hours. This patio heater will go through a tank of propane at max BTUs in 5.6 hours and at minimum BTUs in 9.6 hours.
Note: Propane tank not included.
- Take the edge off this winter in your garage, on your patio, or on the job site
- A 360 degree burner head radiates heat in every direction for maximum heat distribution in your space
- 180 degree multi directional bracket allows you to direct heat wherever you want
- Outputs 30,000 45,000 BTUs of heat per hour
- Mounts to a 20 pound liquid propane cylinder (not included)
- Features a push button TE valve
- Safety shut off tip over switch gives you peace of mind when the heater is on
- Specifications:
- Model: MH540T
- BTUs Per Hour: 30,000, 36,000, 45,000 BTUS
- Tank size: 20 pound propane cylinder
- Run time (at max BTUs): 5.6 hours
- Run time (at minimum BTUs): 9.6 hours
- Fuels consumption: 0.176 pounds per hour
- Use: Outdoor only
- Safety tip over switch: Yes
- Fuel type: Liquid propane
- Heat type: Convection
- Ignition: Piezo
- Dimensions (L x W x H): 11.6 x 22.6 x 16.8 inches
- Weight: 5.5 pounds
- Manufacturer warranty: 1-year warranty
Questions? We’ve Got Answers.
Helpful answers about product features, setup, and more
What size is the space heater?
The space heater measures 11.6 x 22.6 x 16.8 inches (length x width x height). Use these measurements to confirm the product will fit your intended space and clearance areas before ordering.
What is the space heater used for in the home?
The space heater handles its core household function — heating, cooling, cleaning, filtering, or related home utility tasks depending on the model. Place it in the room where the function is needed, confirm power requirements, and follow setup steps from the included instructions.
Is there a warranty on the space heater?
Yes. The space heater is backed by 1-year manufacturer warranty. Coverage details and claim procedures are provided by the manufacturer; retain your order receipt as proof of purchase if you ever need to file a claim.
What is the power source for the space heater?
The space heater uses propane. Confirm you have the appropriate power connection, fuel, or battery type available at the location where you plan to use the product, and review any supplied power cords, adapters, or hardware before setup.
Who makes the space heater?
The space heater is made by Mr. Heater. Mr. Heater produces this item as part of its lineup, and product details such as specifications, included accessories, and warranty terms are set by the brand.
How much does the space heater weigh?
The space heater weighs approximately 20 pounds. Use this figure when planning where to position the unit and how to handle it during setup.


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