Best gas heaters – Top 8 of 2021

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We looked at tons reviews, and put together a list of the best sellers. Check out the top gas heaters below.


No. 1
Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater MHVFB30NGT
318 Reviews
Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater MHVFB30NGT
  • 30,000 BTU Natural Gas heater to heat spaces up to 1000 square feet
  • Blue flame burner for even convection heat. Maximum Elevation (Ft)-4500. Fuel Consumption/Burn Rate (Gal/Hr)- .030 MCF
  • Automatic low oxygen shut-off system (ODS). CSA Certified
  • Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.included.Theromostat, legs and...
  • Fuel Type:Natural Gas.Not for use in bathrooms, bedrooms, or recreational vehicles
No. 2
ProCom MN3PHG Heating Natural Gas Ventless Infrared Plaque Heater, 30,000 BTU, Black
  • ASSEMBLED IN USA - Product is proudly assembled in the USA. Skilled American workers manufacture the parts, assemble, and test our...
  • TECHNOLOGY - Maximum 30, 000 BTU operates on using Natural Gas only which Heats up to 1, 450 sq. ft Area.
  • DEPENDABLE - Manual Control – High/Medium/Low/Off Settings, Ideal for greater heat flow that could add the warm atmosphere in your room.
  • ECONOMICAL - 99. 9% efficient with Vent Free gas burner. No outside duct or chimney needed! Environmental Protection and Energy...
  • SAFE - Push button Piezo ignition with Built-in pilot oxygen depletion sensor (ODS) immediately shuts down the heater if carbon monoxide or...
SaleNo. 3
Mr. Heater Corporation Vent-Free 10,000 BTU Radiant Natural Gas Heater, 10000, Multi
28 Reviews
Mr. Heater Corporation Vent-Free 10,000 BTU Radiant Natural Gas Heater, 10000, Multi
  • 10,000 BTU Natural Gas heater to heat spaces up to 250 sqaure feet.
  • Radiant heat burner
  • Automatic low oxygen shut-off system (ODS). CSA Certified
  • Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.
  • Legs and wall mounting hardware included
SaleNo. 4
Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater
116 Reviews
Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater
  • 50,000 BTU per hour heats up to 1250 sq. ft.
  • Powered exhaust allows for vertical or horizontal venting
  • Easy outside access to thermostat and A/C terminals and gas connection
  • Natural Gas to Liquid Propane conversion kit and 2 angle brackets for ceiling mount included
  • Minimum 8 ft clearance from floor to base of heater required; Limited 3 year warranty on parts and burners and 10 year warranty on any...
No. 5
Amazon Basics Outdoor Patio Heater with Wheels, Propane 46,000 BTU, Commercial & Residential - Charcoal Gray
  • Outdoor gas heater with 46,000 BTUs, providing heat up to a 9-foot radius. Ideal for commercial cafes and restaurants or residential patios
  • Made with aluminum, sturdy plastic, and rugged steel with a durable powder-coated finish that stands up to outdoor elements
  • Piezo ignition system for easy push-button start ups; requires 20lb Liquid Propane Gas tank (not included); chain to help secure LPG tank...
  • Safety auto shut-off tilt valve; waterbox for adding weight to the base; wheel assembly included for easy mobility
  • Measures approximately 18 by 89 inches (LxH); weighs 38 pounds
SaleNo. 6
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
2,585 Reviews
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
  • Lifetime warranty
  • Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
  • Never run out of hot water with an ECOSMART tankless water heater
  • Patented Self Modulating Technology and design
  • ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
No. 7
Mr. Heater Corporation Vent-Free 20,000 BTU Radiant Natural Gas Heater, Multi
45 Reviews
Mr. Heater Corporation Vent-Free 20,000 BTU Radiant Natural Gas Heater, Multi
  • 20,000 BTU Natural Gas heater to heat spaces up to 500 sqaure feet.
  • Radiant heat burner. Heating Area (Sq Ft) - 700
  • Automatic low oxygen shut-off system (ODS). CSA Certified. Use - Supplemental heat in cold rooms, Additions, Sun rooms, Cabins
  • Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.
  • Theromostat, legs and wall mounting hardware included. Refer to the PDF attached below in Technical Specification for User Manual.
SaleNo. 8
Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater with Built-In Blower (1000 Sq. Ft.)
  • 30,000 BTU per hour / For use with Natural Gas (NG)
  • Heats up to 1000 sq. ft.
  • Blue flame burner for even convection heat / Thermostat for automatic temperature control
  • Automatic low oxygen shut-off system (ODS)
  • Legs and wall mounting hardware included