With the number of alternatives available on the market, getting the right one could sometimes be a difficult task.. That’s why our platform is dedicated to product testing and coming up with this list of top 10 best tankless gas water heaters. Having done thorough research on this topic, we hope that our list will help you find the one you need!
In Hurry? Checkout Our Top Pick Of Best Tankless Gas Water Heaters.
Our Top Pick
9.7/10 our score
Best Tankless Gas Water Heaters
| Rank | Product Name | Score |
|---|---|---|
|
1  |
18L Tankless Water Heater Portable LPG Gas Water Heater Instant Propane Water Heater |
9. 7 |
|
2  |
12L/3.1Gallon Tankless Water Heater，High Efficient LPG Propane Gas Hot Water Heater Instant Boiler |
9. 5 |
|
3 |
Tankless Water Heater, 12L 23Kw Natural Gas Instant Water Heater with Constant Temperature |
9. 1 |
|
4 |
FVSTR 12L Tankless LPG Propane Gas Hot Water Heater 3.2GPM Digital Display w/Shower |
8. 8 |
|
5 |
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented |
8. 6 |
|
6 |
Camplux 1.58 GPM Portable Tankless Water Heater,Easy Install Outdoor Propane Gas Water Heater |
8. 2 |
|
7 |
18L 4.76Gal Tankless Water Heater LPG Propane Gas Water Heater Instant Boiler |
8. 0 |
|
8 |
Portable Water Heater,Camplux Propane Water Heater,1.58 GPM Tankless Gas Water Heater,On Demand Water |
7 .7 |
|
9 |
Tankless Water Heater, Gasland Outdoors Propane Water Heater 12L BS318 3.18GPM, Portable Hot |
7. 4 |
|
10 |
Tankless Water Heater, Gasland BE158B 1.58GPM 6L Outdoor Portable Gas Water Heater, Instant |
7. 2 |
1. 18L Tankless Water Heater Portable LPG Gas Water Heater Instant Propane Water Heater
9.7/10 our score
- Energy savingthe propane water heater designed with advanced energy-saving and combustion technology to decrease gas consumption and burning noise.
- Parameter heat output power: 36 kw,gas pressure(lpg): 2800 pa,hot water output: 18 l/min / 4.8 gpm,rubber gas hose(outer diameter): 20 mm / 0.79",water inlet/outlet: g1/2''.
- Multi protectionscompared with other water heaters, tevedin's water heater is safer and equipped with anti-freezing protection,over water pressure protection,ion flame inspection,low water-pressure startup etc.
- Portable designsize:35 x 14.5 x 59cm/13.8 x 5.7 x 23.2in.compact size and lightweight design for easily carry.it only takes you a few minutes to install it.
- Use scenariosheat quickly.the tankless water heater is perfect for showering, pet washing, camping and trip road, etc.it can used in rv,truck and home.
2. 12L/3.1Gallon Tankless Water Heater，High Efficient LPG Propane Gas Hot Water Heater Instant Boiler
9.5/10 our score
- Ion flame inspection to automatically shut down gas power under unrexpectable flameout. controller design: both cold water and warm water can be properly controlled.
- Anti-freezing warning to prevent the water tank from being accidentally frozen, when the outdoor temperature is below 0 c(32 f), to prevent a water tank from freezing, pl follow the below steps after each use: 1. close the water inlet valve 2. open the hot water valve 3. turn the water temperature adjustment knob to the "low temperature" or "big water" position 4. d...
- Over water pressure protection function to automatically decrease pressure under excessive high water pressure.
- High efficient energy saving the heater exchanger and main burner adopt mostly advanced energy-saving and combustion technology to decrease gas consumption and burning noise.
- Low water-pressure startup the water control linkage valve makes the heater start up under low water pressure and stable water flowing under high pressure to meet the requirements of those in water shortage areas and those living in high stairs.
3. Tankless Water Heater, 12L 23Kw Natural Gas Instant Water Heater with Constant Temperature
9.1/10 our score
- Easy to install and runthe tankless water heater comes with a digital display and touches a control panel, so its easy to set the temperature and 4 modes attached. please according to the installation instructions and safety precautions in the manual to install (professional installation recommended)
- Tankless instant hot water heateronly 0.01mpa of water pressure is needed when you need hot water. no need to preheat before using the tankless water heater. as soon as you turn on the tap, the water ows with your desired temperature.
- Outstanding appearance and performancethis tankless water heater is crafted with a super crystal glass pane and inner copper devices. the copper purity is as high as 99.9% so that corrosion resistance and thermal conductivity are superior.
- Energy and money savingthe hot water heater adjusts power input based on flow rate and temp setting in real time. possess the most advanced self-adjusting technology to switch the summer/winter mode to change the fire row amount so that save up to 60% on your natural gas costs.
- Multiple security protectionthe natural gas water heater is upgraded with twelve protection methods to ensure your safety. such as dry burning protection, over 65(149 f) protection, excessive wind pressure protection, leakage protection, flameout protection, overvoltage protection.
4. FVSTR 12L Tankless LPG Propane Gas Hot Water Heater 3.2GPM Digital Display w/Shower
8.8/10 our score
- Patented technology, no corrosion, no maintenance! thats right! our tankless hot water lpg heater will create heat without direct contact with metals, which will in turn prevent corrosion, limescale deposit and calcium buildup. as a result, you will have to spend $0 on maintenance, no replacement parts, no filter required.
- Hot water anytime you want without any hassle! the sio green best premium mini tankless water heater point of use is here to help you enjoy your hot shower or wash the dishes with warm water anytime you want without any fuss. the insta infrared heating design will use 12 volt and heat only the water you use with high temp thus allowing you to save time and money!
- Save your bathroom or kitchen space with our compact water heater, with less than 20 inch length which is not only ideal for small bathrooms, storage, kitchens, sink, rv or cabinets but can be also whole house residential, commercial. the ergonomic size and simple yet innovative construction will allow you to install it almost anywhere or use it as a booster, hybrid wi...
- Adjust it to your exact needs effortlessly! our lpg tankless hot water heater features winter and summer so you can easily tailor its performance to your familys needs. with very low water pressuresuitable water pressure: 0.02 mpa - 0.8 mpa starting pressure: 0.015 mpa. start so that you could use with 12v water pump in outdoor campingpet shower...
- 100% satisfaction or your money back! thats our unconditional guarantee! if you are not 100% satisfied with your budget-friendly, space-saving and ultra-practical tankless water heater within 2 years, we will offer you a free replacement or your money back. no questions asked! what are you waiting for? get yours now while supplies last!
5. EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented
8.6/10 our score
- Ecosmart eco 11 sizing 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature refer to the sizing guide to select the proper solution
- Endless on-demand hot water consistent hot water when you need it that never runs out continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
- Save space ecosmart tankless electric water heaters are 90% smaller than traditional tank heaters may be installed on wall or at point of use dimensions 11.5 x 8 x 3.75 inches
- Save energy ecosmart tankless electric water heaters are 99% thermal energy efficient only heats water when called unlike a tank heater that maintains water temperature even when not being used.
6. Camplux 1.58 GPM Portable Tankless Water Heater,Easy Install Outdoor Propane Gas Water Heater
8.2/10 our score
- 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.
- Power efficient & energey saving -maximum power output 41,000btu/hour, you will get instant endless hot water easily wherever you are. compact and lightweight 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.
- Compact,light weight portable design-11.61 (l)*4.33(w)*17.32(h) inch ,weight-16 lb. compact and portable design perfect for barns,cabins,delivers instant hot shower for dogs and horses.
- Multiple protection ensure your safety-flame failure device, anti-freezing protection, over heating protection to ensure the family safety. the anti-freezing drain plug discharges the residual water to avoid freezing in cold areas for long-time maintenance. gas supply automatically shut off when high water temperature protection over 167 f.
- Easy installation for instant hot water-it only takes you a few minutes to get 1.58 gallons per minute of instant hot water. the camplux portable water heater lights when water pressure between 3.0-110 psi, low water pressure is perfect for campings and remote cabins.
7. 18L 4.76Gal Tankless Water Heater LPG Propane Gas Water Heater Instant Boiler
8/10 our score
- Energy savingthe propane water heater designed with advanced energy-saving and combustion technology to decrease gas consumption and burning noise.
- Use scenariosheat quickly.the tankless water heater is perfect for showering, pet washing, camping and trip road, etc.it can used in rv,truck and home.
- Parameter heat output power: 36 kw,gas pressure(lpg): 2800 pa,hot water output: 18 l/min / 4.8 gpm,rubber gas hose(outer diameter): 20 mm / 0.79",water inlet/outlet: g1/2''.
- Portable designsize:35 x 14.5 x 59cm/13.8 x 5.7 x 23.2in.compact size and lightweight design for easily carry.it only takes you a few minutes to install it.
- Multi protectionscompared with other water heaters, tevedin's water heater is safer and equipped with anti-freezing protection,over water pressure protection,ion flame inspection,low water-pressure startup etc.
8. Portable Water Heater,Camplux Propane Water Heater,1.58 GPM Tankless Gas Water Heater,On Demand Water
7.7/10 our score
- 3.0 psi water pressure startup -the portable propane water heater equipped with a magnetic water flow sensor, the tankless water heater can be widely applied for rural areas, rv's and boats.the portable propane water heater lights when water pressure between 3.0-110 psi, low water pressure is perfect for campings and remote cabins.
- Easy & safety installation -it only takes you 5 minutes to get 1.58 gallons per minute of instant hot water. always check gas leakage before operation.to avoid gas leakage caused by improper sealing of the water heater, do not twine teflon tape between gas regulator and gas inlet pipe. the tankless propane water heater will "caught on fire "with improper operation. plea...
- Multiple protection ensure your safety-flame failure device, anti-freezing protection, over heating protection to ensure the family safety. the anti-freezing drain plug discharges the residual water to avoid freezing in cold areas for long-time maintenance. gas supply automatically shut off when high water temperature protection over 167 f.
- 1.58 gpm instant water heater - rated at 1.58 gpm, this on demand water heater provides endless hot water on demand, its more efficient and energy-saving, saving up to 89.98 % on water heating costs.
- Compact size,14lbs portable design- weights 14 lbs, this 6l portable water heater is a great partner for camping ,road trips and rvs. camplux instant water heater bringing an instahot instant hot water shower for you when you are camping, hiking, fishing, beaching. besides, you can also wash your pets with this propane tankless water heater, or provide hot water for th...
9. Tankless Water Heater, Gasland Outdoors Propane Water Heater 12L BS318 3.18GPM, Portable Hot
7.4/10 our score
- On demand endless hot water maximum power output 68,000btu/hour, get instant endless hot water easily wherever you are. no need to preheat before using rv camping water heater. as soon as you turn on the tap, the water ow with your desired temperature. low water pressure 3.6 psi start up. 2.64 gallons per minute of on-demand hot water. fully adjustable heat and wate...
- Excellent customer servicewe have professional team to offer you excellent service. if you have any question, please feel free to contact us from monday to firday.
- Energy saving compact and light weight structure with 11.5% energy saving technology. the heat exchanger and main burner of the propane shower water heater are desinged with advanced combustion technology to decrease gas consumption and burning noise. it will help you save more when use gasland tankless water heater.
- Portable wall-mounted designportable design for carry on easily. 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 portable hot water heater in your garden. hang it using the mounting bracket on the top/back of the propane water heater. it only takes you a few minutes to install it. or you can in...
- Multiple protection functionsthe gasland propane water heater comes with flame failure device, anti-freezing protection, over heating protection to ensure the family safety. automatically decrease water pressure between 3.8-110psi. 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 ...
10. Tankless Water Heater, Gasland BE158B 1.58GPM 6L Outdoor Portable Gas Water Heater, Instant
7.2/10 our score
- Excellent customer servicewe have professional team to offer you excellent service. if you have any question, please feel free to contact us from monday to firday.
- On demand hot water, enjoy bath 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 ows 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....
- Multiple protection of family safety 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. ...
- Saving energy&money 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 a lot of money when you use our tankless water heater.
- Compact, lightweight 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 c...