20 Best Gas Heaters [2024]

Are you looking for the best gas heaters? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling gas heaters.

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# Preview Product
1 Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater MHVFB30NGT Mr. Heater 30,000 BTU Vent Free Blue Flame Natural Gas Heater MHVFB30NGT
2 Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Propane Radiant Heater,... Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Propane Radiant Heater,...
3 Rinnai RL94eN Non-Condensing Natural Gas Tankless Water Heater, Outdoor Installation, Up to 9.8 GPM Rinnai RL94eN Non-Condensing Natural Gas Tankless Water Heater, Outdoor Installation, Up to 9.8 GPM
4 Mr. Heater Corporation Vent-Free 10,000 BTU Radiant Natural Gas Heater, 10000, Multi Mr. Heater Corporation Vent-Free 10,000 BTU Radiant Natural Gas Heater, 10000, Multi
5 Amazon Basics 46,000 BTU Outdoor Propane Patio Heater with Wheels, Commercial & Residential - Slate... Amazon Basics 46,000 BTU Outdoor Propane Patio Heater with Wheels, Commercial & Residential -...
6 Mr. Heater Corporation F299720 Vent-Free 20,000 BTU Blue Flame Propane Heater, Multi Mr. Heater Corporation F299720 Vent-Free 20,000 BTU Blue Flame Propane Heater, Multi
7 GASLAND MHA18B Propane Heater, 18,000 BTU Warm Area up to 450 sq. ft, Portable LP Gas Heater for... GASLAND MHA18B Propane Heater, 18,000 BTU Warm Area up to 450 sq. ft, Portable LP Gas Heater for...
8 Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater
9 Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per... Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon...
10 40 Gallon 61-1/2' TALL Rheem Professional Classic, 6 year Mfg warranty, Natural gas water heater 40... 40 Gallon 61-1/2" TALL Rheem Professional Classic, 6 year Mfg warranty, Natural gas water heater...
11 SEEYANG Patio Tent Propane Heater , Portable Propane Heater, Camping Gas Heater with 5FT Propane... SEEYANG Patio Tent Propane Heater , Portable Propane Heater, Camping Gas Heater with 5FT Propane...
12 Dyna-Glo 30,000 BTU Natural Gas Blue Flame Vent Free Wall Heater, White Dyna-Glo 30,000 BTU Natural Gas Blue Flame Vent Free Wall Heater, White
13 Marey GA5PORT Portable Propane Gas Tankless Water Heater, Small, White Marey GA5PORT Portable Propane Gas Tankless Water Heater, Small, White
14 Kovea Cupid Gas Heater Kovea Cupid Gas Heater
15 Propane Heater, thermomate 18,000 BTU Portable LP Gas Heater with 3 Power Settings, Mobile Radiant... Propane Heater, thermomate 18,000 BTU Portable LP Gas Heater with 3 Power Settings, Mobile...
16 18,000 BTU Big Buddy Portable Propane Heater (No Fan) 18,000 BTU Big Buddy Portable Propane Heater (No Fan)
17 Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater
18 Ailgely Outdoor Heater Stove, Portable Camping Gas Heater, Mini Space Heater, for Outdoor Tent... Ailgely Outdoor Heater Stove, Portable Camping Gas Heater, Mini Space Heater, for Outdoor Tent...
19 Ashley Hearth Products DVAG17N 17,000 BTU Direct Vent Natural Gas Heater, Cream Ashley Hearth Products DVAG17N 17,000 BTU Direct Vent Natural Gas Heater, Cream
20 Mr. Heater Corporation F299830 Vent-Free 30,000 BTU Radiant Propane Heater, Multi Mr. Heater Corporation F299830 Vent-Free 30,000 BTU Radiant Propane Heater, Multi
Bestseller No. 1
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. Heater Type: Unvented
  • Operating this heater at altitudes over 4,500 FT above sea level could cause pilot/ODS to shutdown the heater.included.Theromostat, legs and wall...
  • Fuel Type:Natural Gas.Not for use in bathrooms, bedrooms, or recreational vehicles
SaleBestseller No. 2
Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Propane Radiant Heater,...
  • 4,000- to 9,000-BTU radiant heater for spaces up to 225 square feet. Approved for indoor/outdoor use; clean-burning; nearly 100-percent efficient
  • When operating the heater at altitudes over 7,000 FT above sea level the heater may shut off.
  • Auto shut-off if tipped over, if pilot light goes out, or if detects low oxygen levels. Fuel Consumption/Burn Rate (Gal/Hr) at 4000 BTU = 0.044...
  • Fold-down handle; swivel-out regulator; connects to propane tank (not included); Run Time (Hrs at Max BTU): 3 Hours
  • THE USE OF UN-AUTHORIZED ACCESSORIES/ATTACHMENTS WITH THIS HEATER ARE EXPRESSLY PROHIBITED, MAY CAUSE SERIOUS INJURY, AND WILL VOID THE WARRANTY.
Bestseller No. 3
Rinnai RL94eN Non-Condensing Natural Gas Tankless Water Heater, Outdoor Installation, Up to 9.8 GPM
  • Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in...
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a...
  • Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger,...
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your...
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for...
SaleBestseller No. 4
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
SaleBestseller No. 5
Amazon Basics 46,000 BTU Outdoor Propane Patio Heater with Wheels, Commercial & Residential - Slate...
  • Powerful 46,000 BTU outdoor gas heater provides heat up to a 9 foot radius; ideal for commercial cafes and restaurants or home patios
  • Constructed with aluminum, plastic, and steel with a durable powder-coated finish
  • One-touch ignition button for easy start up; requires 20lb liquid propane gas tank (not included); chain included to secure tank
  • Features adjustable temperature knob, tilt safety auto-shut off valve, water box for weighting the base and wheel kit
  • Secure the patio heater when not in use to avoid any potential damage to unit
SaleBestseller No. 6
Mr. Heater Corporation F299720 Vent-Free 20,000 BTU Blue Flame Propane Heater, Multi
  • 20,000 BTU Liquid Propane heater to heat spaces up to 700 square feet
  • Blue flame burner for even convection heat. Run Time (Hrs at Max BTU)- 21.59. Fuel Consumption/Burn Rate (Gal/Hr)- .926 lbs/hr
  • 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.
  • Theromostat, legs and wall mounting hardware included
SaleBestseller No. 7
GASLAND MHA18B Propane Heater, 18,000 BTU Warm Area up to 450 sq. ft, Portable LP Gas Heater for...
  • ☀【Cut Down Your Electricity Bills】With Gasland Portable Cabinet Heater, No electricity required. All you need is a 20lb liquid propane cylinder...
  • ☀【Safe & Reliable】Our propane radiant heater is equipped with Tip-Over and Low Oxygen Shut-off for safety concerns. Since our small space heater...
  • ☀【Mobile & Space Save Design】The Gasland portable propane radiant heater features a handy, mobile and sapce save design intended to be used in...
  • ☀【3 Heating Modes】 Freely customize the heating mode (High/Medium/Low) to maintain a pleasant warmth in your room. Outputs up to 18,000 BTU of...
  • ☀【Quiet & Multifunctional Use】Ultra quiet propane radiant heater provides you quiet environment for reading, working and happy party time....
SaleBestseller No. 8
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 defects in the...
Bestseller No. 9
Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per...
  • Endless hot water, On-demand usage, Compact, Space saving, Energy conservation
  • Computerized safety features, No pilot light to have to worry about
  • Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes
  • Satisfies the 2012 SCAQMD Rule 1146.2 for Ultra-Low NOx Emissions
  • Primary heat exchanger utilizes commercial-grade copper alloy for 25 times better heat transfer than stainless steel, Integrated controls and power...
Bestseller No. 10
40 Gallon 61-1/2" TALL Rheem Professional Classic, 6 year Mfg warranty, Natural gas water heater 40...
  • 40 Gallon Rheem Professional Classic. Mfg 6 year warranty gas water heater
  • Comes with Pressure relief vlve and brass drain valve.
Bestseller No. 11
SEEYANG Patio Tent Propane Heater , Portable Propane Heater, Camping Gas Heater with 5FT Propane...
  • 【Multifunction Heater】 This 2-in-1 propane heater is very practical. Cook meals during the day and keep warm at night. Take this heater cooker...
  • 【Propane Camping Heater】 Our lightweight tent heater is designed with handle grip, which is portable for you to carry out and move. Stay warm...
  • 【Complete Combustion 】The propane tank heater flame shield allows the gas to burn completely and the efficient gas combustion produces blue flame,...
  • 【Economic Fuel Usage】 Outdoor propane emergency heaters can fit most gas tank by an extension hose, and a 20 LB propane tank can burn for up to 30...
  • 【Safe Outdoor Heater】The propane tent heater combo comes with a 5-foot rubber gas hose. Be sure to connect gas hose and heater cock securely and...
Bestseller No. 12
Dyna-Glo 30,000 BTU Natural Gas Blue Flame Vent Free Wall Heater, White
  • Natural Gas Ready (Fuel conversion not permitted)
  • Blue Flame Technology works by convecting heat to warm the air the same way as a central heating system
  • 15, 000-30, 000 BTU's/hr. variable heat output for up to 1, 000 sq. ft.
  • Variable control knob offers the most customizable heat settings LOW - 15, 000 BTU MED - 22, 500 BTU HI - 30, 000 BTU
  • No electricity required allows for reliable back-up heating incase of an emergency situation. Connection Size - 3/8 inch. NPT
Bestseller No. 13
Marey GA5PORT Portable Propane Gas Tankless Water Heater, Small, White
  • Naturally vented outdoors: you don't need to buy a extra venting
  • Serves to a variety of applications, since washing your car, windows cleaning, wash your horse or your dog and take a hot shower
  • Perfect for campsites, cabins, remote areas or just around the house. BTU/h - 35000 BTU/h. Fuel Type - LPG(liquid propane gas). pipe fittings - 1/2...
  • Provide endless hot water on demand only as needed
  • No electrical connection is required
SaleBestseller No. 14
Kovea Cupid Gas Heater
  • Fuel: Butane (Nozzle type gas canister)
  • Includes hard carry case
  • Folding legs to provide stable base
  • Ceramic based heating plate
  • Fuel canister not included
SaleBestseller No. 15
Propane Heater, thermomate 18,000 BTU Portable LP Gas Heater with 3 Power Settings, Mobile Radiant...
  • 69 Hours Continuous Heating: Operates up to 69 hours on a 20 lb propane tank on low setting mode(6000 BTU), heating area range from 150 to 450 Sq. Ft
  • 3 Heating Modes: Simple piezo ignition device is easy to use, 3 heating modes-6000/12000/18000 BTU are optional to meet a variety of scenarios, simply...
  • 32dB Noise Level: Noise Level is no more than 32dB, which provides you with a quiet, warm, comfortable environment for working, reading, and...
  • 5 Lockable Casters: Locking casters on the bottom hold the heater in place temporarily, while making it easy to move to storage later on
  • 2 Protection Features: Features a tip-over valve, the heater will shut down automatically if the unit is tilted or tipped. An ODS (Oxygen Depletion...
Bestseller No. 16
18,000 BTU Big Buddy Portable Propane Heater (No Fan)
  • 4, 000, 9, 000, or 18, 000 BTU per hour
  • Heats up to 450 sq. ft.
  • Hi-Med-Low heat settings
  • Automatic low oxygen shut-off system (ODS) and accidental tip-over safety shut-off
  • THE USE OF UN-AUTHORIZED ACCESSORIES/ATTACHMENTS WITH THIS HEATER ARE EXPRESSLY PROHIBITED, MAY CAUSE SERIOUS INJURY, AND WILL VOID THE .
Bestseller No. 17
Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater
  • 94-Percent Energy efficient with stainless-steel condensing heat exchanger
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • Third party efficiency listed by AHRI
  • Up to 38-Feet of 3-Inch PVC Pipe or 5-Feet of 2-Inch PVC Pipe
  • Low Nox Version
Bestseller No. 18
Ailgely Outdoor Heater Stove, Portable Camping Gas Heater, Mini Space Heater, for Outdoor Tent...
  • It offers excellent thermal performance while prevent burns with a protective cover on front side, safe and reliable.
  • Selected fine-quality stainless steel material, it owns a longer service life and corrosion-resistant.
  • Mounted onto a gas tank and no electricity required, suitable for a variety of outdoor occasions to warm you up.
  • You can adjust safety valve on the side to control gas flow and heating power.
  • Come with a base to steadily support gas tank so as to keep heater in balance and ensure safety.
SaleBestseller No. 19
Ashley Hearth Products DVAG17N 17,000 BTU Direct Vent Natural Gas Heater, Cream
  • 17,000 BTU heat input heats up to 570 sq. ft.
  • Designed for use with natural gas
  • Sealed burn system is perfect for bedrooms and living spaces
  • Matchless Piezo lighting for quick starts
  • No complicated venting to purchase or install, complete kit is included (includes heat shield, vent pipe, air intake pipe, flashing, cap and...
SaleBestseller No. 20
Mr. Heater Corporation F299830 Vent-Free 30,000 BTU Radiant Propane Heater, Multi
  • 30,000 BTU Liquid Propane heater to heat spaces up to 750 sqaure feet.
  • Radiant heat burner. Ignition - Electronic
  • 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.
  • Theromostat, legs and wall mounting hardware included

Having trouble finding a great gas heaters?

This problem is well understood by us because we have gone through the entire gas heaters research process ourselves, which is why we have put together a comprehensive list of the best gas heaterss available in the market today.

After hours of searching and using all the models on the market, we have found the best gas heaters for 2023. See our ranking below!

How Do You Buy The Best Gas Heaters?

Do you get stressed out thinking about shopping for a great gas heaters? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching gas heaters, which is why we have assembled a comprehensive list of the greatest gas heaters available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for gas heaters that you consider buying. Your questions might include the following:

  • Is it worth buying an gas heaters?
  • What benefits are there with buying an gas heaters?
  • What factors deserve consideration when shopping for an effective gas heaters?
  • Why is it crucial to invest in any gas heaters, much less the best one?
  • Which gas heaters are good in the current market?
  • Where can you find information like this about gas heaters?

We’re convinced that you likely have far more questions than just these regarding gas heaters, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for gas heaters, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible gas heaters. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an gas heaters buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available gas heaters currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of gas heaters has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an gas heaters?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your gas heaters.
  5. Customer Ratings: Number ratings grade gas heaters objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their gas heaters.
  7. Product Quality: You don’t always get what you pay for with an gas heaters, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an gas heaters is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining gas heaters information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding gas heaters is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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