10 Best natural gas garage heaters of 2025

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Best Choice

1

Mr. Heater
Mr. Heater Corporation F260590 MHU125NG NG 125K BTU Unit Heater
Main highlights

Powerful Heating Capability
125,000 BTU output efficiently heats up to 5,000 sq ft.

Versatile Installation
Ideal for large spaces like garages or workshops.

Ease of Installation
Customers praise its simplicity in installation and operation.
9.8

Exceptional

Our Rating

9.3
Comfort

8.2
Easy installation

8.2
worth the money
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Value for Money

2

Modine
Modine HD45AS0111Natural Gas Hot Dawg Garage Heater 45,000 BTU with 80-Percent Efficiency Grey

15% Off
Main highlights

Efficient Heating Performance
45,000 BTU with 80% efficiency, ideal for garages.

Versatile Installation Options
Quick and easy installation with field wiring connections.

Quiet Operation
Praised for being quiet, with minimal noise during use.
9.6

Exceptional

Our Rating

9.5
Easy installation

9.1
worth the money

8.0
Noise level
3

Mr. Heater
Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater,Black
Main highlights

Powerful Heating Capability
50,000 BTU per hour heats spaces up to 1250 sq. ft.

Ideal for Garages
Perfect for garages or workshops needing efficient heating.

Highly Reliable Performance
Praised for consistent reliability and quiet operation.
9.5

Excellent

Our Rating

9.5
Simple to use

9.1
Comfort

8.9
Easy installation
4

Mr. Heater
Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater, 80,000 BTU, Black
Main highlights

High Heating Capacity
Generates 80,000 BTU, covering up to 2,667 sq ft.

Ideal for Large Spaces
Perfect for garages, pole barns, or large buildings.

Easy Installation Praised
Customers appreciate its straightforward installation process.
9.4

Excellent

Our Rating

9.3
Tech Support

8.7
Easy installation

8.4
Noise level
5

Mr. Heater
Mr. Heater MHVFBF30NGT 30,000 BTU Vent Free Blue Flame Natural Gas Heater - Wall Mount Space Heater For Cold Rooms, Sun-rooms, and more - White
Main highlights

Efficient Heating Coverage
30,000 BTU heater effectively warms spaces up to 1000 sq ft.

Home Heating Solution
Ideal for living rooms, dining rooms, and open areas up to 1000 sq ft.

Easy Installation and Operation
Praised for simple setup and user-friendly operation.
Key specs
- heat output:30,000 BTU
- fuel:Natural Gas
- mounting:Floor Mount, Wall Mount
- room type:Bathroom, Bedroom
- heating coverage:1000 sq ft
9.1

Excellent

Our Rating

9.9
safety

9.3
Simple to use

9.1
Easy installation
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6

Mr. Heater
Mr. Heater F272200 MH25NG 25,000-BTU Natural-Gas Radiant Heater,Multi , Black

15% Off
Main highlights

Efficient Heating
25,000-BTU radiant heater warms objects directly, not air.

Ideal for Workshops
Perfect for garages and workshops up to 625 sq ft.

Quick Heating Time
Heats up the area in just a few minutes.
Key specs
- color:Black
- room type:Garage, Home
- heating coverage:625 sq ft
- special feature:Noiseless
- burner:Radiant
8.9

Very Good

Our Rating

8.7
Easy installation

8.2
Comfort

8.0
worth the money
7

ProCom
ProCom Heating Natural Gas Ventless Blue Flame Heater With Base Feet - 30,000 BTU, Manual Control - Model# MN300HBA-B
Main highlights

Efficient Heating Solution
30,000 BTU output heats up to 1,400 sq. ft. efficiently.

Versatile Installation Options
Ideal for homes needing flexible wall or floor installation.

Highly Praised Safety Feature
Oxygen Depletion Sensor with automatic shut-off ensures safety.
Key specs
- heat output:30000 British Thermal Units
- fuel:Natural Gas
- mounting:Wall Mount
- room type:Living Room, Home Office, Study Room
- heating coverage:1400 sq. ft.
8.6

Very Good

Our Rating
8

Comfort Glow
Comfort Glow 17,000 BTU Direct Vent Natural Gas Wall Heater, Gray, Large
Main highlights

Efficient Heating Coverage
Delivers 17,000 BTUs, heating up to 570 sq. ft.

Versatile Room Usage
Perfect for bedrooms, living rooms, basements, and kitchens.

Quiet Operation
Stainless steel ported burner ensures noise-free function.
Key specs
- heat output:17,000 BTUs
- fuel:N/A
- mounting:N/A
- room type:N/A
- heating coverage:570 sq. ft
8.5

Good

Our Rating
9

Mr. Heater
Mr. Heater MHVFBF20NGT 20,000 BTU Vent Free Blue Flame Natural Gas Heater & Supplemental Heat in Cold Rooms, Additions, Sun Rooms & Cabins - White
Main highlights

Efficient Heating Coverage
20,000 BTU natural gas heater covers up to 700 sq ft.

Versatile Use Cases
Ideal for supplemental heating in garages, sunrooms, and cabins.

Easy Installation Praised
Customers appreciate the easy installation and reliable performance.
Key specs
- heat output:20,000 BTU
- fuel:Natural Gas
- mounting:Floor Mount, Wall Mount
- room type:Living Room, Bedroom
- heating coverage:500 sq ft
8.4

Good

Our Rating

9.9
Simple to use

9.3
worth the money

9.3
Easy installation
10

ProCom
ProCom MN100TBA-B Ventless Natural Gas Blue Flame Space Heater with Thermostat Control for Home and Office Use, 10000 BTU, Heats Up to 500 Sq. Ft., Includes Wall Mount and Base Feet, White
Main highlights

Efficient Heating with No Electricity
ProCom Blue Flame Heater provides 10000 BTU output, heating up to 500 sq. ft. without electricity.

Versatile for Home and Office Use
Ideal for bedrooms, offices, and living rooms, ensuring warmth in diverse residential spaces.

Highly Praised for Cost Efficiency
Users appreciate its ability to maintain warmth with minimal gas bill increase.
Key specs
- heat output:10000 British Thermal Units
- fuel:Gas
- mounting:Floor Mount
- room type:Bedroom, Home Office, Study Room
- heating coverage:500 square feet
8.3

Good

Our Rating

10 Best natural gas garage heaters of 2025

1

Mr. Heater Corporation F260590 MHU125NG NG 125K BTU Unit Heater

9.3

8.2

8.2

How do we rank?

How do we rank?

Analyzing top stores

2

Modine HD45AS0111Natural Gas Hot Dawg Garage Heater 45,000 BTU with 80-Percent Efficiency Grey

9.5

9.1

8.0

3

Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater,Black

9.5

9.1

8.9

4

Mr. Heater F260560 Big Maxx MHU80NG Natural Gas Unit Heater, 80,000 BTU, Black

9.3

8.7

8.4

5

Mr. Heater MHVFBF30NGT 30,000 BTU Vent Free Blue Flame Natural Gas Heater - Wall Mount Space Heater For Cold Rooms, Sun-rooms, and more - White

9.9

9.3

9.1

6

Mr. Heater F272200 MH25NG 25,000-BTU Natural-Gas Radiant Heater,Multi , Black

8.7

8.2

8.0

7

ProCom Heating Natural Gas Ventless Blue Flame Heater With Base Feet - 30,000 BTU, Manual Control - Model# MN300HBA-B

8

Comfort Glow 17,000 BTU Direct Vent Natural Gas Wall Heater, Gray, Large

9

Mr. Heater MHVFBF20NGT 20,000 BTU Vent Free Blue Flame Natural Gas Heater & Supplemental Heat in Cold Rooms, Additions, Sun Rooms & Cabins - White

9.9

9.3

9.3

10

ProCom MN100TBA-B Ventless Natural Gas Blue Flame Space Heater with Thermostat Control for Home and Office Use, 10000 BTU, Heats Up to 500 Sq. Ft., Includes Wall Mount and Base Feet, White

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