The Mr. Heater MH540T Propane Heater delivers up to 45,000 BTUs of powerful 540° radiant heat for outdoor or worksite warmth. Durable, adjustable, and easy to use, it connects directly to a propane tank. Reliable heat wherever you need it most.









Mr. Heater MH540T 540° Propane Tank Top Heater – 45,000 BTU Adjustable Radiant Outdoor Heater (Durable Steel, Portable Design)
- Overall Rating
- Heating Performance
- Build Quality
- Ease of Use
- Value for Money
4.8/5Overall Score
Specs
- Heat Output: 30,000 / 36,000 / 45,000 BTU (adjustable)
- Heating Coverage: Up to 1,000 sq. ft.
- Fuel Type: Propane (20 lb tank compatible)
- Material: Heavy-duty steel with 540° radiant design
Pros
- 540° wide heat coverage
- Adjustable heat output settings
- Durable steel construction
- Quick match-light ignition
- Ideal for outdoor and job site use
Cons
- Consumes propane quickly at higher heat settings
- Can get very hot to touch—safety caution needed
- Not ideal for enclosed indoor spaces (ventilation required)
The Mr. Heater MH540T 540° Propane Tank Top Heater delivers powerful, instant warmth for outdoor workspaces, patios, garages, and campsites.
Designed for heavy-duty performance, it produces up to 45,000 BTUs of radiant heat and offers three adjustable heat settings (30,000 / 36,000 / 45,000 BTU) for optimal comfort.
The unique 540-degree heating radius ensures even, all-around warmth, while the high-quality steel construction guarantees durability in demanding environments.
Powered by a standard 20 lb propane tank, this heater features match-light ignition for easy startup and an auto safety shutoff valve for secure operation.
Ideal for outdoor gatherings, construction sites, or emergency heat backup — the MH540T combines reliability, power, and portability in one rugged design.




