Best High Altitude Propane Heater Indoor in 2025
Updated on July 2025
#1
Recommended
Free Shipping
- Provides 50,000 BTU per hour, suitable for spaces up to 1250 sq. ft.
- Equipped with a powered exhaust for flexible venting options, either vertically or horizontally.
- Includes convenient outside access to thermostat, A/C terminals, and gas connections.
- Conversion kit for Natural Gas to Liquid Propane and 2 angle brackets for ceiling mounting are included.
- Requires a minimum clearance of 8 ft from floor to heater base; limited warranty covers parts and burners for 3 years, and heat exchanger defects for 10 years.
Read More
- Provides 50,000 BTU per hour, suitable for spaces up to 1250 sq. ft.
- Equipped with a powered exhaust for flexible venting options, either vertically or horizontally.
- Includes convenient outside access to thermostat, A/C terminals, and gas connections.
- Conversion kit for Natural Gas to Liquid Propane and 2 angle brackets for ceiling mounting are included.
Read More
#2
Value for Money
Free Shipping
- Provides up to 3.6 GPM and 80,000 BTU for simultaneous use of multiple fixtures.
- CSA certified with essential safety features including dry combustion and overheat protections.
- High-quality copper construction enhances heat transfer and energy efficiency with adjustable heating modes.
- Compact design allows for space-saving installation in various areas of the home.
- Maintains water temperature stability within 1°F for a consistent shower experience.
- Features an LED display for precise temperature control and a memory function for power outages.
Read More
- Provides up to 3.6 GPM and 80,000 BTU for simultaneous use of multiple fixtures.
- CSA certified with essential safety features including dry combustion and overheat protections.
- High-quality copper construction enhances heat transfer and energy efficiency with adjustable heating modes.
- Compact design allows for space-saving installation in various areas of the home.
Read More
#3
14% Off
Free Shipping
- Operates at low water pressure with a minimum of 3.0 PSI; includes 12V power supply options for versatile charging.
- Delivers instant hot water with a temperature range of 8℃-46℃ (46.4℉-114.8℉) at a rate of 1.32 gallons per minute.
- Compact and portable design with a folding handle, perfect for camping, road trips, and off-grid living.
- Safety features include flame failure, anti-freezing, over-heating, and oxygen depletion shut-off, ensuring safe outdoor showering.
- High-efficiency combustion technology reduces gas consumption and noise, enhancing energy savings by 11.5%.
Read More
- Operates at low water pressure with a minimum of 3.0 PSI; includes 12V power supply options for versatile charging.
- Delivers instant hot water with a temperature range of 8℃-46℃ (46.4℉-114.8℉) at a rate of 1.32 gallons per minute.
- Compact and portable design with a folding handle, perfect for camping, road trips, and off-grid living.
Read More
#4
Free Shipping
- Provides up to 30,000 BTUs using natural gas, suitable for spaces up to 1,000 sq. ft. and effective at altitudes up to 4,500 feet.
- Includes a built-in thermostat for precise temperature control and comes with a battery for easy electric ignition.
- Features a blue flame burner for efficient heating, consuming .030 MCF per hour and ensuring even warmth.
- Equipped with an oxygen depletion sensor for safety, ensuring secure operation.
- Offers dual mounting options: can be wall-mounted with included brackets or placed securely on the floor.
Read More
- Provides up to 30,000 BTUs using natural gas, suitable for spaces up to 1,000 sq. ft. and effective at altitudes up to 4,500 feet.
- Includes a built-in thermostat for precise temperature control and comes with a battery for easy electric ignition.
- Features a blue flame burner for efficient heating, consuming .030 MCF per hour and ensuring even warmth.
- Equipped with an oxygen depletion sensor for safety, ensuring secure operation.
Read More
#5
Free Shipping
- Heating capacity of 80,000 BTU with a hot water flow rate of 3.6 GPM, suitable for multiple outlets in a household.
- Instant hot water available without a wait time, eliminating the need for preheating.
- Offers 4 convenient temperature modes: Dish (100℉), Fruit (95℉), Elderly (104℉), and Infant (107℉).
- Includes an exhaust pipe in the kit, featuring an oxygen-free copper water tank to minimize heat loss and reduce energy consumption.
- Installation should comply with local regulations and be performed by licensed professionals; not recommended for elevations above 2,000 feet.
Read More
- Heating capacity of 80,000 BTU with a hot water flow rate of 3.6 GPM, suitable for multiple outlets in a household.
- Instant hot water available without a wait time, eliminating the need for preheating.
- Offers 4 convenient temperature modes: Dish (100℉), Fruit (95℉), Elderly (104℉), and Infant (107℉).
- Includes an exhaust pipe in the kit, featuring an oxygen-free copper water tank to minimize heat loss and reduce energy consumption.
Read More
#6
27% Off
Free Shipping
- No installation needed for easy use during camping or outdoor activities with 8 KW power and 12 V rated voltage. Suitable for spaces up to 269 ft², heating up rapidly with an innovative heat exchanger.
- Control your diesel heater via Bluetooth app or remote, with a range of up to 98 ft. Temperature adjustable between 46.4 °F and 96.8 °F for personalized comfort.
- Designed for high altitudes, this heater offers automatic altitude compensation, functioning effectively up to 18,045 feet without manual adjustments.
- Efficient fuel use with a quiet fuel pump, consuming about 1 gallon per night. The large 5 L tank enables up to 8 hours of continuous heating with minimal energy waste.
- Built-in safety features ensure reliability in various settings, with constant temperature control, preheating options, and overheating protection at high temperatures.
Read More
- No installation needed for easy use during camping or outdoor activities with 8 KW power and 12 V rated voltage. Suitable for spaces up to 269 ft², heating up rapidly with an innovative heat exchanger.
- Control your diesel heater via Bluetooth app or remote, with a range of up to 98 ft. Temperature adjustable between 46.4 °F and 96.8 °F for personalized comfort.
- Designed for high altitudes, this heater offers automatic altitude compensation, functioning effectively up to 18,045 feet without manual adjustments.
Read More
#7
Free Shipping
- Provides instant hot water with a maximum output of 55,000 BTU/hour without the need for preheating.
- Energy-efficient design reduces gas consumption and operational noise, promoting energy savings.
- Portable and lightweight for easy transport, ideal for outdoor activities like camping or washing pets.
- Complies with safety standards in Canada and the US, featuring multiple safety mechanisms to prevent overheating and gas leaks.
- Important installation tip: Avoid using Teflon tape on gas connections to prevent fire hazards and always check for gas leaks before use.
Read More
- Provides instant hot water with a maximum output of 55,000 BTU/hour without the need for preheating.
- Energy-efficient design reduces gas consumption and operational noise, promoting energy savings.
- Portable and lightweight for easy transport, ideal for outdoor activities like camping or washing pets.
- Complies with safety standards in Canada and the US, featuring multiple safety mechanisms to prevent overheating and gas leaks.
Read More
#8
Free Shipping
- Radiant heater with an output range of 4,000 to 18,000 BTU, suitable for spaces up to 450 square feet.
- Heater may shut off at altitudes above 7,000 feet; maximum operation time is 220 hours.
- Features auto shut-off for safety if tipped over, if the pilot light extinguishes, or if low oxygen levels are detected.
- Adjustable heat settings with low, medium, and high; requires a separate propane tank.
- Using unauthorized accessories or attachments may lead to serious injury and void the warranty.
Read More
- Radiant heater with an output range of 4,000 to 18,000 BTU, suitable for spaces up to 450 square feet.
- Heater may shut off at altitudes above 7,000 feet; maximum operation time is 220 hours.
- Features auto shut-off for safety if tipped over, if the pilot light extinguishes, or if low oxygen levels are detected.
- Adjustable heat settings with low, medium, and high; requires a separate propane tank.
Read More
#9
Free Shipping
- Tankless propane water heater provides consistent temperature control and safety features such as flame failure, anti-freeze, and overheating protection. Requires only 3.6 PSI water pressure, delivering up to 4.74 gallons of hot water per minute with a maximum temperature rise of 149°F.
- Operates at 68,000 BTU per hour, supplying on-demand hot water for 2-3 outlets simultaneously. Advanced combustion technology minimizes gas usage and reduces noise for efficient performance.
- Constructed with a stainless steel body for temperature resistance and durability; features an oxygen-free copper water tank to reduce heat loss. Includes an LED digital display for easy temperature control between 95°F and 149°F.
- Designed for easy installation with standard 1/2" NPT fittings and a 2.5" horizontal vent pipe. Comes with necessary hoses for connection; ensure proper ventilation and a smoke exhaust pipe for safe operation.
- Compact design saves over 50% space compared to traditional tanks, suitable for homes, cabins, and apartments. Meets bathroom and kitchen hot water needs without requiring an expansion tank. Drain residual water in cold weather to prevent damage.
Read More
- Tankless propane water heater provides consistent temperature control and safety features such as flame failure, anti-freeze, and overheating protection. Requires only 3.6 PSI water pressure, delivering up to 4.74 gallons of hot water per minute with a maximum temperature rise of 149°F.
- Operates at 68,000 BTU per hour, supplying on-demand hot water for 2-3 outlets simultaneously. Advanced combustion technology minimizes gas usage and reduces noise for efficient performance.
Read More
#10
Free Shipping
- Produces up to 20,000 BTUs, heating spaces up to 700 sq. ft., suitable for elevations up to 4,500 ft.
- Includes a thermostat for precise temperature control and features battery-powered electronic ignition for easy startups.
- Equipped with an automatic oxygen shut-off system for safe operation.
- Utilizes convection heating, warming air and distributing heat throughout the room efficiently.
- Can be mounted on a wall or used free-standing, with legs and mounting hardware provided for flexible installation.
Read More
- Produces up to 20,000 BTUs, heating spaces up to 700 sq. ft., suitable for elevations up to 4,500 ft.
- Includes a thermostat for precise temperature control and features battery-powered electronic ignition for easy startups.
- Equipped with an automatic oxygen shut-off system for safe operation.
- Utilizes convection heating, warming air and distributing heat throughout the room efficiently.
Read More
Greenhouse Heaters With Thermostat
See All
Energy Efficient Outdoor Heater
See All
Rv Propane Furnace Indoor
See All