Best Gas Hot Water Heaters in 2022

There is no one-size-fits-all when it comes to choosing a gas hot water heater. The best model for your home depends on a number of factors, including the size of your household, the climate you live in, and your personal preferences.

If you live in a colder climate, you’ll want to choose a model with a higher recovery rate, so you can get hot water more quickly. Conversely, if you live in a hot climate, you’ll want a model with a lower recovery rate so you don’t waste energy reheating water that’s already hot.

Household size is also an important consideration when choosing a gas hot water heater. If you have a large family or frequently entertain guests, you’ll need a model with a higher capacity.

Finally, personal preferences will come into play when selecting a gas hot water heater. Some people prefer tankless models because they’re more efficient, while others prefer traditional models because they’re less expensive. Ultimately, the best model for you is the one that meets your needs and budget.

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Things to Consider:

There are many things to consider before buying a gas hot water heater. The first thing to consider is the size of the unit. It is important to purchase a unit that is the correct size for your home. The second thing to consider is the fuel type. There are many different fuel types available, so it is important to choose the one that best fits your needs. The third thing to consider is the warranty. Gas hot water heaters usually come with a one-year warranty, but it is important to read the fine print before making a purchase.

How We Pick & Test:

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To find the best gas water heater, we considered factors such as venting options, recovery rates, energy efficiency, longevity, and warranty. We also looked at the reviews of each unit to get a sense of how well they perform in the real world. To test the units, we performed heat loss calculations to find the most efficient models. We also monitored the water temperature over time to see how well each model maintained its heat. Finally, we checked the warranty coverage to see how long each unit is covered for.

Top 10 Best Gas Hot Water Heaters

# Preview Product
1 Tankless Water Heater, 3.17 GPM Instant Hot Natural Gas Water Heater with Constant Temperature, Indoor (Natural Gas) Tankless Water Heater, 3.17 GPM Instant Hot Natural Gas Water Heater with Constant Temperature,...
2 Natural Gas Tankless Water Heater, FOGATTI Indoor 7.5 GPM, 170000 BTU Black Instant Hot Water Heater Natural Gas Tankless Water Heater, FOGATTI Indoor 7.5 GPM, 170000 BTU Black Instant Hot Water Heater
3 Tankless Water Heater, thermomate 5L Portable Propane Gas Hot Water Heater with Overheating Protection, 1.32 GPM, Low Pressure Startup for Camping, 34,000 BTU/Hr, Easy to Install, White Tankless Water Heater, thermomate 5L Portable Propane Gas Hot Water Heater with Overheating...
4 110-326 Gas Water Heater Valve,Natural Gas Water Heater Thermostat with 1-3/8' Shank,3-1/2' W.C. 110-326 Gas Water Heater Valve,Natural Gas Water Heater Thermostat with 1-3/8" Shank,3-1/2" W.C.
5 Portable Water Heater Propane Tankless - 6L 1.58GPM RV on demand Hot Gas Outdoor Digital Display Water Heater for Camping ,Boat,Cabins Portable Water Heater Propane Tankless - 6L 1.58GPM RV on demand Hot Gas Outdoor Digital Display...
6 TC-HOMENY 4.8GPM 18L Tankless LPG Liquid Propane Gas Hot Water Heater 36kw House Instant TC-HOMENY 4.8GPM 18L Tankless LPG Liquid Propane Gas Hot Water Heater 36kw House Instant
7 CAMPLUX ENJOY OUTDOOR LIFE 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater, White, (AY132) CAMPLUX ENJOY OUTDOOR LIFE 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater, White,...
8 Flame King Tankless Outdoor Portable Propane Gas 10L 2.64GPM Water Heater 68,000 BTU for Hot Water Shower, RV, Camping, Farm, Cabins Flame King Tankless Outdoor Portable Propane Gas 10L 2.64GPM Water Heater 68,000 BTU for Hot Water...
9 Rinnai V53DeN Natural Gas Tankless Hot Water Heater, 5.3 GPM Rinnai V53DeN Natural Gas Tankless Hot Water Heater, 5.3 GPM
10 Reliance Hot Water Heater Gas Control Valve 100112336 1' Cavity Thermostat Compatible with Reliance, State, A.O. Smith, and American branded heaters Reliance Hot Water Heater Gas Control Valve 100112336 1" Cavity Thermostat Compatible with Reliance,...
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Details of Best Gas Hot Water Heaters

SaleBestseller No. 1
Tankless Water Heater, 3.17 GPM Instant Hot Natural Gas Water Heater with Constant Temperature, Indoor (Natural Gas)
  • Note: Please download and read the installation manual and product manual carefully when purchasing the product to ensure that your installation environment is consistent with this product. When installing, please strictly follow the installation manual and installation instruction video, otherwise it may not work. If you have any questions about the product, please contact us by email. We have a professional technical support team.
  • 【Tankless Instant Hot Water Heater】No need to preheat before using the tankless water heater. As soon as you turn on the tap, the water flows with your desired temperature.
  • 【High Sensitive Touch Led Display】Comes with smart digital LED display high-definition large screen, freely adjustable the temperature between 30℃-65℃.
  • 【Multiple Security Protection】The natural gas water heater is upgraded with 12 protection methods to ensure your safety. Such as dry burning protection, over 65℃(149 °F) protection, leakage protection, etc.
  • 【Energy and Money Saving】The hot water heater adjusts power input based on flow rate and temp setting in real time. Summer/winter 2 modes to save up to 60% on your natural gas costs.
SaleBestseller No. 2
Natural Gas Tankless Water Heater, FOGATTI Indoor 7.5 GPM, 170000 BTU Black Instant Hot Water Heater
  • We recommend that all installations of units must be done in accordance with the local building and plumbing codes of the installation location and installation be done by a licensed professional.
  • The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.
  • 170,000 BTU high heating capacity and maximum 7.5 GPM. It is suitable for 3-4 outlet points, which can satisfy whole family. UEF over 0.82, the high energy conversion rate can effectively reduce energy loss.
  • Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.
  • Using built in forced exhaust fan at the bottom ensures stable combustion and eliminates the influence of external wind. Compact design for easy installation.
SaleBestseller No. 3
Tankless Water Heater, thermomate 5L Portable Propane Gas Hot Water Heater with Overheating Protection, 1.32 GPM, Low Pressure Startup for Camping, 34,000 BTU/Hr, Easy to Install, White
  • [2.5 PSI Water Pressure Startup] Equipped with a magnetic water flow sensor, allowing the unit to work at low water pressure, stable water flowing to meet a wide range of usage for those in water shortage areas, including rural areas, RV's and Boats.
  • [Instant Hot Water On Demand] Rated at 1.32 GPM, this water heater provides endless hot water on demand and only as needed, no need to preheat making it more efficient and energy-saving, saving up to 50% on water heating costs. 
  • [Multi Safety Protection] Anti-freezing apparatus draining the stock water to avoid damage of freezing under cold areas to the machine itself or in case of a long time no use. Featuring overheating and flameout protection, the gas supply will shut off automatically under unexpectedly flame out or high water temperature over 176 °F.
  • [Compact Exquisite Design] Compact and space-saving design with minimal noise output which is portable for outdoors.  A great partner for camping and road trips bringing an amazing hot shower for you when you are camping, hiking, fishing, beaching, etc. Besides, you can also wash your pets with this tankless water heater, or provide hot water for the swimming pool.
  • [Easy to Install] Equipped with 1/2" BSP water fittings and manual water temperature controls make it easy to install and use. Please verify it's the right size you need: net weight 10.4lb; size 13.4(L)x4.7(H)x11.6(W); maximum power output 34,000btu/hour (10kW). Work with a 0.4PSI gas regulator (included).
Bestseller No. 4
110-326 Gas Water Heater Valve,Natural Gas Water Heater Thermostat with 1-3/8" Shank,3-1/2" W.C.
  • QUALITY AFTER-SALES -- We provide an one year warranty for 110-326 Gas Water Heater Thermostat Valve.For whatever reason, you are not satisfied, you can request a replacement or a full refund.If you need any help, email us and we’ll reply within 12 hours! Just buy it!
  • APPLICATION --All models have a built-in non-circulating energy cut-off (ECO) system, which shuts off all gas in the water heater when the water temperature is too high.
  • INTRODUCE --110-326 Gas Water Heater Valve Thermostat Inverted Flare Pressure Regulation3.5" WC,Outlet Size1/2" ,Inlet Size1/2" .
  • FUNCTION --110 Series natural gas water heating thermostat is generally used for replacement applications in water tanks.
  • SPECIFICATION --Gas Water Heater Valve Thermostat Shank Length1-3/8" Sensing Tube 5-1/2" , Pipe Flow Setting 45,000 Temperature160F (71C) .
Bestseller No. 5
Portable Water Heater Propane Tankless - 6L 1.58GPM RV on demand Hot Gas Outdoor Digital Display Water Heater for Camping ,Boat,Cabins
  • 【On Demand Hot Water】Maximum power output 42,000btu/hour, get instant endless hot water easily wherever you are. No need to preheat before using tankless water heater. As soon as you turn on the tap, the water flows with your desired temperature. Low water pressure start up, just need 2.5 PSI of water pressure. 1.58 gallons per minute of on-demand hot water. Fully adjustable heat and water flow.
  • 【CSA Approved Safety 】RUINOPAR Tankless Water Heater with CSA Approved Regulator, safe as per Canadian and US Standard.Automatically decrease water pressure between 2.5-145PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use. High water temperature protection over 167°F. Shut off gas supply automatically under unexpectable flameout.
  • 【Safety Protection】The safety of the propane water heater is also an important thing that everyone will value very much; Our products have more than 6 protection methods; The product has safety protection that measures such as overheating protection, antifreeze protection, flame-out protection, anti-dry protection, high water pressure protection and low water flow protection, which prevent the product from doing harm to users,providing a comfortable and safe bathing conditions, reliable product.
  • 【Lightweight Portable Design】Compact size and lightweight design for easily carry. It can bring a amazing hot shower for you when you are camping , to the beach, etc. Also you can wash your pets with this tankless water heater in outdoor. Using the handle of the gas water heater or the mounting bracket on the back to hang it. It only takes you a few minutes to install it.
  • 【Energy Saving】With automatic ignition and flameout modes, when you turn on the shower nozzle, the tankless water heater automatically ignites, and when you turn off the shower nozzle, the water heater automatically put out the flame; With this unique design, our heater can save 11.5% energy for you and ensure your safety at the same time.
Bestseller No. 6
TC-HOMENY 4.8GPM 18L Tankless LPG Liquid Propane Gas Hot Water Heater 36kw House Instant
  • Gas Type: LPG Liquid Petroleum Gas (PROPANE),Capacity: 18L/min (4.8Gal), 25 degrees warm water producing rate
  • SIZE: 13.4"(L) x5"(W) x25.6"(H), product picture 2. Working temperature:--8-45℃, Thermal input: 36KW,Thermal efficiency:≥80%,Vent Type:4.3" Flue Duct,Panel Color: White
  • Temperature rise: 25℃, Minimum working water pressure: 0.025MPa, Gas pressure: 2800Pa ( Please confirm the pressure before using the product.)
  • Gas pipe: G 1/2"; Water Inlet: G1/2'' ; Water Outlet: G1/2''; Cover Material: Cold Rolled Sheet;
  • Automatic ignition system, Flame failure protection device,20 min. off self-timer,Gross weight: 8.5KG
Bestseller No. 7
CAMPLUX ENJOY OUTDOOR LIFE 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater, White, (AY132)
  • Compact,Portable Design: The compact portable water heater weights 10 lb, with folding handle keeps it out of the way, allowing for a convenient set-up outdoors
  • Installation Recommended: This propane water heater only takes you 10 minutes to set up. Read the instructions before installation. Always check gas leakage before operation
  • Operation Features: The flow rate is 1.32 GPM, 1.32 gallons of hot water can be output per minute. The maximum temperature raise is 114.8℉(46℃) and the minimum temperature raise is 46.4℉(8℃)for 1.32GPM
  • Wide Applications: The water heater start up with 3.0 PSI lowest water pressure. Hot water powered by 2 size D batteries,it's perfect for off-grid and rural aeras. No cold outdoor shower anymore
  • 6-in-1 Proection: Flame failure device, anti-freezing protection and oxygen depletion safety shut-off protection
Bestseller No. 8
Flame King Tankless Outdoor Portable Propane Gas 10L 2.64GPM Water Heater 68,000 BTU for Hot Water Shower, RV, Camping, Farm, Cabins
  • Fully adjustable control knobs and visual digital meter - Winter/Summer Setting, MIN/MAX Gas Setting, MAX/MIN Water Flow Rate Setting, Digital Water Temperature Meter
  • Durable steel cased water heater designed to last
  • On/off water control shower head and 4.5 Feet of Stainless Steel Wrapped Hose to avoid kinks and punctures.
  • Regulator and 4.5 ft. hose included for use with a BBQ propane tank (QCC1 Type-1 Valve
Bestseller No. 9
Rinnai V53DeN Natural Gas Tankless Hot Water Heater, 5.3 GPM
  • Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
  • Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary.
  • Optimal Water Pressure: High-performance up to 5.3 GPM hot water flow rate for a powerful, constant stream
  • Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively
Bestseller No. 10
Reliance Hot Water Heater Gas Control Valve 100112336 1" Cavity Thermostat Compatible with Reliance, State, A.O. Smith, and American branded heaters
  • PLEASE PROVIDE MODEL AND SERIAL NUMBER OF YOUR WATER HEATER IF YOU NEED US TO DETERMINE CORRECT GAS VALVE PART NUMBER!
  • Gas control valve is compatible with all A.O. Smith manufactured products including A.O. Smith, Reliance, State, and American branded heaters
  • Temperature control assembly 100112336 supplies the burner with gas to heat the water
  • Returning part because you purchased on that doesnt fit your heater is not allowed! Please confirm it fits by messaging us.
  • A service technician is recommended for the repair to ensure the gas supply line is leak free

Benefits of Best Gas Hot Water Heaters:

Some of the benefits and features of the best gas hot water heaters are:

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1. Faster hot water recovery rates – so you never have to wait long for hot water.

2. Higher energy efficiency ratings – meaning lower energy bills.

3. Durable construction – meaning a longer lifespan and fewer repairs.

4. Some models come with a self-cleaning feature – making maintenance a breeze.

5. Many models come with a warranty – giving you peace of mind.

Size:

The size of the best gas hot water heater for your home will depend on the number of people in your household and your family’s hot water needs. If you have a small family with moderate hot water needs, a 40-gallon hot water heater should be adequate. If you have a larger family or higher hot water needs, you’ll need a larger hot water heater. For households with five or more people, we recommend a 50-gallon hot water heater.

Design:

Best gas hot water heaters typically have a sleek and modern design that is easy to integrate into any home. They are often small and compact, making them easy to install and save space. Many gas hot water heaters also have a digital display that makes it easy to read the temperature and set the perfect heat for your needs.

Ease of Use:

Best gas hot water heaters are known for their ease of use. Many users find them very easy to operate and maintain. They are also known for their reliability and performance.

Convenience:

Best gas hot water heaters are very convenient because they provide hot water on demand. They are also very durable and have a long lifespan, so you won’t have to worry about replacing your heater anytime soon.

Durability:

The best gas hot water heaters are built to last. They are made with high-quality materials and components that are designed to withstand the rigors of daily use. Gas hot water heaters are also backed by a warranty, so you can be sure that your investment is protected.

Frequently Ask Questions:

1) How to choose the right model?

Answer:

Before you choose a model, please confirm the following:

– The size of your tank – whether 100L or 200L?

– The type of your home – Single Family or Duplex?

– The climate in your area – temperate or tropical?

– The power supply – electricity, gas or oil?

We have different models for different needs. Please feel free to contact us, and we will help you choose the most suitable model.

2) How to use it?

Answer:

Our tankless water heaters can be used in many ways.

– You can use it for shower, washing, cooking, etc.

– You can also use it for heating your pool, spa or hot tub.

3) How to maintain it?

Answer:

It is very easy to maintain our tankless water heaters.

– Just need to clean the filter regularly.

– Please do not use hard water, as it will shorten the lifespan of the heating elements.

Conclusion:

in 2018

The best gas hot water heaters in 2018 include the rheem gas hot water heater, tankless gas water heater, and the Bradford white gas water heater. These are the most popular and efficient models on the market today.

Last update on 2022-09-30 / Affiliate links / Images from Amazon Product Advertising API.

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