Top 10 Best Gas Water Heater Our Top Picks in 2020

When it comes to deciding who makes thegas water heater or who the gas water heater are, there are a selection of world-renowned companies that you can rely on

The good news is, we’ve tested tons of these increasingly popular true Best gas water heater, and found the best of the best. Right now, our top pick is the Hottoby Natural Gas Tankless Water Heater Home Outdoor Instant RV Hot Water Heater Camper Use Water Heater Electric Adjustable Portable Compact Water Heater Garden RV indoor Installation (8L) which feature incredible active. But if that doesn’t quite meet your needs, we’ve rounded up a bunch of solid options for nearly every scenario.

Best gas water heater

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Product Title
Score

Rinnai V65IN Tankless Water Heater, Large, V65iN-Natural Gas/6.5 GPM
9.8

Rinnai V65eN Tankless Hot Water Heater, Large
9.5

Camplux Tankless Water Heater Natural Gas,3.18 GPM High Efficiency Instant Hot Water Heater with Celsius Digital Display,Residential Natural Gas Water Heater for 2-3 Persons Bathroom Indoor Use,White
9.1

A.O. Smith GCR-40 ProMax Plus High Efficiency Gas Water Heater, 40 gal
8.6

Camplux BW211 8L 2.11 GPM Propane Gas Outdoor Portable Tankless Water Heater
8.5

Tankless Water Heater, GASLAND Outdoors BE158 1.58GPM 6L Outdoor Portable Gas Water Heater, Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, White
8.2

Camplux CA528 5.28 GPM Indoor Natural Gas Water Heater,Grey
7.6

Camplux 10L Outdoor 2.64 GPM Digital Display Tankless Natural Gas Water Heater
7.4

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
7.1

Hottoby Natural Gas Tankless Water Heater Home Outdoor Instant RV Hot Water Heater Camper Use Water Heater Electric Adjustable Portable Compact Water Heater Garden RV indoor Installation (8L)
6.5

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Product Title

Rinnai V65IN Tankless Water Heater, Large, V65iN-Natural Gas/6.5 GPM

9.8

Rinnai V65eN Tankless Hot Water Heater, Large

9.5

Camplux Tankless Water Heater Natural Gas,3.18 GPM High Efficiency Instant Hot Water Heater with Celsius Digital Display,Residential Natural Gas Water Heater for 2-3 Persons Bathroom Indoor Use,White

9.1

A.O. Smith GCR-40 ProMax Plus High Efficiency Gas Water Heater, 40 gal

8.6

Camplux BW211 8L 2.11 GPM Propane Gas Outdoor Portable Tankless Water Heater

8.5

Tankless Water Heater, GASLAND Outdoors BE158 1.58GPM 6L Outdoor Portable Gas Water Heater, Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, White

8.2

Camplux CA528 5.28 GPM Indoor Natural Gas Water Heater,Grey

7.6

Camplux 10L Outdoor 2.64 GPM Digital Display Tankless Natural Gas Water Heater

7.4

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

7.1

Hottoby Natural Gas Tankless Water Heater Home Outdoor Instant RV Hot Water Heater Camper Use Water Heater Electric Adjustable Portable Compact Water Heater Garden RV indoor Installation (8L)

6.5

Rinnai V65IN Tankless Water Heater, Large, V65iN-Natural Gas/6.5 GPM


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Rinnai V65IN Tankless Water Heater, Large, V65iN-Natural Gas/6.5 GPM

$1,060.00
$682.05  in stock
7 new from $680.40
2 used from $483.87
Free shipping
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as of September 21, 2020 9:02 am

Features

  • V65iN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
  • Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Endless hot water for your entire home
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

Rinnai V65eN Tankless Hot Water Heater, Large


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Rinnai V65eN Tankless Hot Water Heater, Large

$985.00
$680.40  in stock
8 new from $680.40
4 used from $474.46
Free shipping
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as of September 21, 2020 9:02 am

Features

  • Max BTU's 120,000
  • Max Energy Factor 0.82
  • Outdoor Installations
  • Meets California and Texas NOx Emissions Standards
  • Lightweight and Compact

Camplux Tankless Water Heater Natural Gas,3.18 GPM High Efficiency Instant Hot Water Heater with Celsius Digital Display,Residential Natural Gas Water Heater for 2-3 Persons Bathroom Indoor Use,White


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Camplux Tankless Water Heater Natural Gas,3.18 GPM High Efficiency Instant Hot Water Heater with Celsius Digital Display,Residential Natural Gas Water Heater for 2-3 Persons Bathroom Indoor Use,White

$329.99
$309.66  in stock

1 used from $309.66
Free shipping
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as of September 21, 2020 9:02 am

Features

  • Sleek,Modern,Compact Design -Trendy and modern design with unique black glassy front panel featuring an easy to use LED touchscreen controls with Celsius Digital & Display.The compact size - (L)14.4 x (W)4.7 x (H)25.4 inch tankless water heater saves more space than traditional tanks.
  • On-Demand Tankless Water Heater-High water capacity range 0.8 - 4.8 GPM, Camplux high efficiency 3.18 GPM natural gas tankless water heater delivers 3.18 gallons per minute of on-demand endless hot water ensures instant hot water for 2-3 persons home comfortable shower.
  • Multiple Protection Ensure Your Safety- Dry combustion,flame failure device, anti-freezing protection, over heating protection to ensure your safety. Fully automatic temperature controls with an energy saving mode and child lock technology.
  • Convenient, Easy Installation -Uses standard 1/2" NPT water fittings and comes with 2.3 inch horizontal venting pipe allowing for convenient and quick installation,great for whole home,small cabins and remote apartments use. You can take Camplux customized wall thimble-WT236 for perfect indoor use.
  • Considerate Customer Service- Here at Camplux, customer service is everything! We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.

A.O. Smith GCR-40 ProMax Plus High Efficiency Gas Water Heater, 40 gal


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A.O. Smith GCR-40 ProMax Plus High Efficiency Gas Water Heater, 40 gal

$736.67  in stock
1 new from $736.67
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Amazon.com
as of September 21, 2020 9:02 am

Features

  • Blue Diamond glass coating provides superior corrosion resistance to industry-standard glass lining
  • Self-powered electronic gas valve uses thermopile to generate power needed to operate the electronic gas control without requiring external power
  • Internal microprocessor provides enhanced operating parameters and tighter differentials for precise sensing and faster heating response
  • Dynaclean diffuser dip tube helps reduce lime and sediment buildup, maximizes hot water output; made from long-lasting PEX cross-linked polymer
  • Meets all current regulations set forth by the National Appliance Energy Conservation Act (NAECA)

Camplux BW211 8L 2.11 GPM Propane Gas Outdoor Portable Tankless Water Heater


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Camplux BW211 8L 2.11 GPM Propane Gas Outdoor Portable Tankless Water Heater

$189.99  in stock
1 new from $189.99
1 used from $180.49
Free shipping
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Amazon.com
as of September 21, 2020 9:02 am

Features

  • 【Portable & Easy To Use】Powered by 2 size D batteries, this portable model has a compact and lightweight design for easy handling, which making it perfect for a hot shower almost anywhere! Whether you're camping ,at the beach, off grid or just in your backyard, Camplux BW211 can produce a quick endless hot shower for years to come! Also features an installation hardware pack for easy mounting on almost any surface.
  • 【CSA Safety Testing Standard】Features a flame failure device, anti-freezing protection and over heating sensor to ensure your family's safety. Automatically activates on water pressure between 3.0-110PSI. Equipped with a drain plug for discarding left over water to avoid freezing in cold areas and high-temp water protection sensor, shuting the heater down when the water reaches 167 °F.
  • 【Save Energy & Money】Maximum power output 55,000BTU/Hr, rated for 2.11 GPM of hot water output, with an achievable temperature range of 50 – 140°F. Equipped with high energy efficiency rating and electronic ignition system so that need no pilot light.This outdoor model saves time, money and energy while producing safe, endless hot water almost anywhere!
  • 【Low Water Pressure Start-Up】Only requires 3.0 PSI of water pressure to activate and rated for 2.11 gallons per minute of on-demand hot water. Light weight & easy to carry, making it ideal for camping, off-grid use, animals washing and outdoor showers.
  • 【Considerate Customer Service】 Here at Camplux, customer service is everything! We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.

Tankless Water Heater, GASLAND Outdoors BE158 1.58GPM 6L Outdoor Portable Gas Water Heater, Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, White


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Tankless Water Heater, GASLAND Outdoors BE158 1.58GPM 6L Outdoor Portable Gas Water Heater, Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, White

 out of stock
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as of September 21, 2020 9:02 am

Features

  • 【CSA Approved Safety 】CSA approved Gasland tankless water heater, safe as per Canadian and US Standard. Flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 2.5-110PSI. 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.
  • 【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. Hang it using the mounting bracket on the top/back of the gas water heater. It only takes you a few minutes to install it. Or you can install it according to the instructions.
  • 【On Demand Hot Water】 Maximum power output 41,000BTU/Hr, 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.
  • 【Energy Saving】 Compact and light weight structure with 11.5% energy saving technology. The propane water heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise. You will save more when you use our tankless water heater.
  • 【Excellent Customer Service】We have professional team to offer you excellent service. If you have any question, please feel free to contact us from Monday to Firday.

Camplux CA528 5.28 GPM Indoor Natural Gas Water Heater,Grey


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Camplux CA528 5.28 GPM Indoor Natural Gas Water Heater,Grey

$449.99  in stock
1 new from $449.99
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Amazon.com
as of September 21, 2020 9:02 am

Features

  • 【Enjoy & Comfortable Constant Hot Water】This residential model is powered by 120 VAC voltage, features imported PCB with precise temperature control, never blow hot and cold in turn, on-demand hot water, double adjustment of water and air, and rising of the third gear making it perfect for a hot shower at home!Camplux CA528 can produce a quick endless hot shower for years to come! Please take the Camplux customized vent pipe CP-70 together for better performance.
  • Advanced Safety Features-CSA certified balanced combustion design required air combustion from the outdoor and the combustion city produced by the smoke forced out of the outdoor to ensure fresh indoor air, safe and reliable use. Features CO multiple protection ensures safety, equipped with PCB start up self-test &real-time intelligent monitoring, timely warning of potential gas fire and hydro power to ensure your family's safety. Automatically activates on water pressure between 7.0-150 PSI.
  • Smart& Energy Saving-PCB frequency conversion intelligent control, temperature intelligent adjustment, environmental protection and durability, truly outstanding energy saving. Man-machine dialogue, heating without waiting. This residential constant model saves time, money and energy while producing safe, endless hot water for whole home!
  • High Thermal Efficiency & High-Rise Wind Resistance-Phosphorus deoxidized copper heat exchanger with high temperature and corrosion resistance technology for full combustion and high thermal efficiency up to 92% . It can resist grade 8 wind speed and 240Pa high anti-wind pressure. Additionally, a wind pressure sensor is added to perceive the external wind force in real time and automatically adjust the fan, flame and maintain stable combustion.
  • Considerate Customer Service-Here at Camplux, customer service is everything! We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.

Camplux 10L Outdoor 2.64 GPM Digital Display Tankless Natural Gas Water Heater


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Camplux 10L Outdoor 2.64 GPM Digital Display Tankless Natural Gas Water Heater

$189.99  in stock
1 new from $189.99
1 used from $167.58
Free shipping
Buy Now
Amazon.com
as of September 21, 2020 9:02 am

Features

  • Eco/Full switch function, save more gas in summer time! Also works great with Camplux 12V 1.6 GPM water pump.
  • Flame failure device, anti-freezing protection, over heating protection to ensure the safety.
  • Compact and light weight structure with 11.5% energy saving technology. You can get instant endless hot water easily wherever you are.
  • Maximum power output 68,000btu/hour, get instant endless hot water easily where you are.
  • Camplux water heater comes with everything you need, including required standard garden hose and adapters.

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology


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EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

$277.00
$194.32  in stock
15 new from $194.30
4 used from $160.26
Free shipping
Buy Now
Amazon.com
as of September 21, 2020 9:02 am

Features

  • 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

Hottoby Natural Gas Tankless Water Heater Home Outdoor Instant RV Hot Water Heater Camper Use Water Heater Electric Adjustable Portable Compact Water Heater Garden RV indoor Installation (8L)


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Hottoby Natural Gas Tankless Water Heater Home Outdoor Instant RV Hot Water Heater Camper Use Water Heater Electric Adjustable Portable Compact Water Heater Garden RV indoor Installation (8L)

$83.69  in stock
1 new from $83.69
Free shipping
Buy Now
Amazon.com
as of September 21, 2020 9:02 am

Features

  • 【Hottoby Water Heater Material】: Power: 16KW; Hot Water Output: 8L/min(2.1GPM). Supply: Natural Gas. Rust-proof Stainless Steel Shell. High Temperature Resistant Copper Water Device + Immersion Tin Surface Treatment to Prevent Oxidation. All materials are heat-resistant metals.
  • 【Hottoby Water Heater Multiple Security Protection】: Water temperature protection. Low water flow protection. Low water pressure start-up function. Anti-freezing protection. Over heat protection, Over water pressure protection function, Low water-pressure startup, Stable water flowing under high pressure, Automatic IC ignition system.
  • 【Hottoby Water Heater Unique Design】: Water heater adopt advanced energy-saving and combustion technology to decrease gas consumption and burning noise. On the back of the water heater, there is an Wall-Mounted design with holes. At the same time, there are multiple air inlets on the back. Light, portable, space-saving and tankless.(Hose connections and exhaust pipes are not included).
  • 【Adjustable Control】: LED display temperature display, gas supply and water outlet knob control, Adjust water temperature easily. Fast to heat. There are summer and winter seasons to choose to use. Power Off Automatically when heater opening over 20 mins and Water temperature over 75 ℃.
  • 【Hottoby Water Heater Applications】: Shower, pet washing, outdoor cleaning, camping, RV bath equipment, yacht bath equipment. The portable water heater doesn't need to be plugged in. It just needs to be charged with a battery (no included batteries). Don’t install in the bathroom and other confined spaces!

Let us leave here with one more amazing deal: Camplux Tankless Water Heater Natural Gas,3.18 GPM High Efficiency Instant Hot Water Heater with Celsius Digital Display,Residential Natural Gas Water Heater for 2-3 Persons Bathroom Indoor Use,White which is the best in among all. It is perfect choice, if you want to go for the Best gas water heater.