Best Gas Powered Water Heaters in 2026

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.

CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches

LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)

INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source

Lightweight,Portable Design - Camplux AY132G portable hot water heater weights 10 pounds, comes with folding handle keeps it out of the way, allowing for a convenient set-up outdoors

Simple, Easy Hot Showers- The camplux portable water heater is easy to set-up in 10 mins. All you need is the water heater, gas bottle away you go! Adjust your temp is as just as easy. Find your perfect flow with the easy to use temperature dials

Wide Applications- The lowest water pressure at beginning for the water heater is 3.0 PSI. For off-grid and rural areas, this hot water generator powered by two size D batteries is ideal. No more chilly outdoor shower anymore

Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in non-condensing technology that speeds up service and installation, check out our new RE180iN model

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 small suitcase and fits in a wide variety of spaces, but provides up to 9.8 GPM (6 fixtures at once)

Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)

4.22𝗚𝗣𝗠/16𝗟 𝗣𝗿𝗼𝗽𝗮𝗻𝗲 𝗪𝗮𝘁𝗲𝗿 𝗛𝗲𝗮𝘁𝗲𝗿 - Maximum power output 11,0000BTU/Hr.The temperature raise is 109.4℉ (43℃) at its highest point and 55.4℉ (13℃) is at its lowest point of 1.58 GPM. Also, 1.58 gallons of hot water can be produced per minute at the flow rate of 4.22 GPM. Low water pressure start up, just need 4.0 PSI of water pressure to start.

𝗚𝗼𝗼𝗱 𝗳𝗼𝗿 𝗢𝗳𝗳-𝘁𝗵𝗲-𝗚𝗿𝗶𝗱 - Runs on a standard 20 lb. liquid propane tank and is equipped with an electronic ignition powered by two D-cell batteries. Can be used in a variety of scenarios: while you're camping, RVing, hunting, hanging poolside, washing your pets or horses, cleaning your vehicle, or even in your tiny home, greenhouse, or cabin house.

𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗦𝗮𝘁𝗲𝗳𝘆 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺 - With CSA certification, safe as per Canadian and US Standard. Features over-heating protection, low water flow protection, dry combustion protection, anti-freezing protection, high water pressure protection and flame failure device.

𝟭.𝟱𝟴𝗚𝗣𝗠/𝟲𝗟 𝗣𝗿𝗼𝗽𝗮𝗻𝗲 𝗪𝗮𝘁𝗲𝗿 𝗛𝗲𝗮𝘁𝗲𝗿 - Maximum power output 41,000BTU/Hr.The temperature raise is 109.4℉ (43℃) at its highest point and 55.4℉ (13℃) is at its lowest point of 1.58 GPM. Also, 1.58 gallons of hot water can be produced per minute at the flow rate of 1.58 GPM. Low water pressure start up, just need 3.6 PSI of water pressure to start.

𝗚𝗼𝗼𝗱 𝗳𝗼𝗿 𝗢𝗳𝗳-𝘁𝗵𝗲-𝗚𝗿𝗶𝗱 - Runs on a standard 20 lb. liquid propane tank and is equipped with an electronic ignition powered by two D-cell batteries. Can be used in a variety of scenarios: while you're camping, RVing, hunting, hanging poolside, washing your pets or horses, cleaning your vehicle, or even in your tiny home, greenhouse, or cabin house.

𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗦𝗮𝘁𝗲𝗳𝘆 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺 - With CSA certification, safe as per Canadian and US Standard. Features over-heating protection, low water flow protection, dry combustion protection, anti-freezing protection, high water pressure protection and flame failure device.

Flow Rate & Temperature Range: Maximum power output 68,000BTU/Hr and a temperature range of 18-95 ℉ max. Water flow rate at 1.2 GPM Min and up to 2.64 GPM Max. Operating pressure 3.6-110 PSI.The water heater with Eco /Full switch, you can control the temperature easily

Versatile Applications: Runs on a standard 20 lb liquid propane tank and is equipped with an electronic ignition powered by two D-cell batteries. Can be used in a variety of scenarios. No more chilly outdoor shower anymore while you're camping, hiking, hunting, hanging poolside. You can also washing your pets or horses

6-in-1 Protection & CSA Safety Approved: This tankless water heater is CSA Approved with anti-freezing protection, over-heating protection, low water flow protection, dry combustion protection, high water pressure protection and flame failure device

High Heating Power: 60K BTU heating power & a 2.4GPM capacity, Furrion RV Gas Water Heater will deliver hot water on demand at consistent temperature even when the ambient temperature drops to 32ºF.

Steady Temperatures: Furrion’s Vortex technology consistently mixes water to your desired temperature. Dual-sensors automatically shut power off if the temperature exceeds a safe limit.

Replacement Door for Suburban: Specially designed for retrofit applications and use as a replacement door for Suburban 4/6 Gallon Water Heater models. This door fits the required dimension of 16.14 x 16.14 Inches.

No More Wait for Hot Water - Point of use 4 gallons mini tank water heater provides instant hot water where you need it with fast recovery, reducing standby loss. Thermal efficiency up to 99%

Easy Installations - Dimensions 14.5"W x 14.5"H x 12.9"D compact design, can be wall or floor mounted under sink / counter, plug into a standard 120V outlet, no special wiring required. Nominal current 12amps

Adjustable Temperature - Thermostat with 3 temperature level settings, range from 50°F to 149°F with high temperature limit protection, also a freeze mode to prevent tank from freezing

CSA Safety Standard -CSA safety standard approved portable tankless water heater,flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 3.0-110 PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use. The water heater will shut off automatically when high water temperature protection over 176 °F.

Lightweight Portable Design-Compact size weights 10 lbs with portable handle for easily carry. Hang it using the mounting bracket on the top/back of the gas water heater. It only takes you a 15 minutes to install the propane water heater.

Instant Hot Water- Maximum power output 28,000btu/hour, you can get 1.32 gallons instant endless hot water easily wherever you are. No need to preheat before operating the tankless water heater. As soon as you turn on the tap, the water flows with your desired temperature.

𝐂𝐨𝐦𝐩𝐚𝐜𝐭, 𝐋𝐢𝐠𝐡𝐭 𝐖𝐞𝐢𝐠𝐡𝐭 𝐏𝐨𝐫𝐭𝐚𝐛𝐥𝐞 𝐃𝐞𝐬𝐢𝐠𝐧 - 12.8 (L)*6.1(W)*21.65(H) inches, weight-18 lbs. Compact and portable design perfect for barns, cabins, outdoor instant hot shower and road trips

𝐄𝐚𝐬𝐲 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧 & 𝐔𝐬𝐞 - Simply connect the inlet and outlet pipes and gas regulator that come with this portable water heater, insert 2 D-cell batteries, then you are ready to use. Low water pressure start of 3.6 PSI allows you to enjoy 2.64 gallons of water in just a few minutes

𝐏𝐨𝐰𝐞𝐫 𝐄𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 & 𝐄𝐧𝐞𝐫𝐠𝐲 𝐒𝐚𝐯𝐢𝐧𝐠 - Maximum power output 68,000btu/hour with 11.5% energy saving technology, you will get instant endless hot water easily wherever you are. The propane water heater exchanger and main burner are designed with advanced combustion technology to decrease gas consumption and burning noise

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

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: Up to 11 GPM hot water flow rate for a powerful, constant stream

Portable, Lightweight Design: This portable water heater weights only 10 pounds and comes with folding handle keeps it out of the way and enables easy setup outside

Simple, Easy Hot Showers: The camplux portable hot water heater is easy to set-up. All you need is the water heater, gas bottle away you go! Adjust your temp is as just as easy. Find your perfect flow with the easy to use temperature dials.Setting up this propane water heater simply takes 10 minutes

More Showers with Less Water: Once you have your ideal temperature you can simply control your shower by switching the shower rose on / off. Giving you time to soap up while saving water.Turn on your shower head again and take off where you left

CLEAN AND GREEN: The FH055 is powered by clean electricity, reducing the harmful environmental effects and cost of traditional heaters that use natural gas or propane. Our pumps instead move heat from the air into the water, which saves you money and is a breeze to maintain

COMPATIBLE WITH: In ground pools up to 10,000 gallons and above ground pools up to 21 foot round or 15 by 30 foot oval. As with all heat pumps, we recommend using in a humid climate down to 50 degrees for best performance. Dry climates are better served by a traditional gas heater

HIGH EFFICIENCY: Utilizing high-pressure differential compressors and titanium heat exchangers, FibroPool heat pumps are meticulously designed to be the most energy efficient in their class. You can rest comfortably knowing your family will enjoy years of late season swimming without feeling a squeeze on your electric bill

𝟮.𝟭𝟭𝗚𝗣𝗠/𝟴𝗟 𝗣𝗿𝗼𝗽𝗮𝗻𝗲 𝗪𝗮𝘁𝗲𝗿 𝗛𝗲𝗮𝘁𝗲𝗿 - Maximum power output 55,000BTU/Hr.The temperature raise is 109.4℉ (43℃) at its highest point and 55.4℉ (13℃) is at its lowest point of 2.11 GPM. Also, 2.11 gallons of hot water can be produced per minute at the flow rate of 2.11 GPM. Low water pressure start up, just ne

𝗚𝗼𝗼𝗱 𝗳𝗼𝗿 𝗢𝗳𝗳-𝘁𝗵𝗲-𝗚𝗿𝗶𝗱 - Runs on a standard 20 lb. liquid propane tank and is equipped with an electronic ignition powered by two D-cell batteries. Can be used in a variety of scenarios: while you're camping, RVing, hunting, hanging poolside, washing your pets or horses, cleaning your vehicle, or even in your tiny home, greenhouse, or cabin house.

𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗦𝗮𝘁𝗲𝗳𝘆 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺 - With CSA certification, safe as per Canadian and US Standard. Features over-heating protection, low water flow protection, dry combustion protection, anti-freezing protection, high water pressure protection and flame failure device.

𝟭.𝟱0𝗚𝗣𝗠/𝟲𝗟 𝗣𝗿𝗼𝗽𝗮𝗻𝗲 𝗪𝗮𝘁𝗲𝗿 𝗛𝗲𝗮𝘁𝗲𝗿 - Maximum power output 41,000BTU/Hr.The temperature raise is 109.4℉ (43℃) at its highest point and 55.4℉ (13℃) is at its lowest point of 1.58 GPM. Also, 1.58 gallons of hot water can be produced per minute at the flow rate of 1.58 GPM. Low water pressure start up, just need 3.6 PSI of water pressure to start.

𝗚𝗼𝗼𝗱 𝗳𝗼𝗿 𝗢𝗳𝗳-𝘁𝗵𝗲-𝗚𝗿𝗶𝗱 - Runs on a standard 20 lb. liquid propane tank and is equipped with an electronic ignition powered by two D-cell batteries. Can be used in a variety of scenarios: while you're camping, RVing, hunting, hanging poolside, washing your pets or horses, cleaning your vehicle, or even in your tiny home, greenhouse, or cabin house.

𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗦𝗮𝘁𝗲𝗳𝘆 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺 - With CSA certification, safe as per Canadian and US Standard. Features over-heating protection, low water flow protection, dry combustion protection, anti-freezing protection, high water pressure protection and flame failure device.

Whole home indoor, gas powered tankless water heater, rated at 4 GPM that activates only on demand and no pilot light needed, reducing energy consumption

Sleek, modern design with black tempered glass front panel featuring an easy to use LED display controls

Features fully automatic temperature controls with an energy saving mode and child lock technology

Minimum working water pressure: 0.025MPa; Max.0.8MPa; Automatic electric ignition powered by 2 qualified D batteries

Hot Water Output (T=25 degree):12 L/min, Gas Type: LPG; Suitable gas pressure: 2800Pa (0.4 psi )

Over heat Protection: Over 75 °C will automatically turn off .

Capacity: 18L/min (4.8Gal), SIZE: 13.4"(L) x5"(W) x25.6"(H), 25 degrees warm water producing rate; Cover Material: Cold Rolled Sheet; Gas Type: LPG Liquid Petroleum Gas (PROPANE); Dimension : Picture 2, SIZE: 13.4"(L) x5"(W) x25.6"(H)

Thermal input: 36KW; Working temperature:-8-45℃; Temperature rise: 25℃; Thermal efficiency: ≥80.8%. Torque Range: 3-3.5 N.m

Minimum working water pressure: 0.025MPa; Gas pressure: 2800Pa; Vent Type:4.3" Flue Duct;Gas pipe: G 1/2"; Water Inlet: G1/2''; Water Outlet: G1/2''

ECO-FRIENDLY WATER HEATER: Save energy using less gas during the warm months with the Marey Tankless Liquid Propane Gas Water Heater; Color: White; Weight: 10.14 pounds

BATTERY POWERED: Tankless water heater starts with pulse ignition powered by (2) D batteries (not included); No cords necessary

AUTOMATIC SHUT-OFF: Multiple safety sensors, such as auto cut-off, automatic ignition, anti-dry combustion, over-pressure, overheating, flameout protection, and twin solenoid valves

Gas Type: LPG Liquid Petroleum Gas (PROPANE), Capacity: 18L/min (4.8Gal), 25 degrees warm water producing rate.

Working temperature:-8-45℃, Thermal input: 36KW, Thermal efficiency: ≥80.8%. Temperature rise: 25℃.

Automatic ignition system, Flame failure protection device, Water & gas combination unit ,Fitted with over heating and pressure safeguard, Suitable for both summer and winter.

2.64 GPM Instant Hot Water -Camplux 2.64 GPM natural gas tankless water heater delivers 2.64 GPM on demand endless hot water ensures instant hot water for any small homes, cabins or apartments. On demand water heater only heats the water when you need it and no waiting for preheat.

6-IN-1 Multiple Protection- Flame-out protection, anti-freezing protection （manual drainage needed）, over-heating protection, air flow pressure switch protection to ensure the safety. Safe electronic ignition system, plugs into standard 120V electrical outlet with UL-listed cord.

Easy Installation -The tankless water heater uses standard 1/2" BSP water fitting and gas inlet. The water heater comes with 1/2 " BSP female to 1/2" NPT male gas connector adapter then you want hook this water heater to natural gas pipe directly.It also comes with 2" horizontal vent pipe,ensures efficient power ventilation. Minimum activation rate: 0.65 GPM; Maximum input rating: 68,000 BTU; Water connection location/size: Bottom/0.5-inch NPT.

We recommend that all installations of units must be done by 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 0.81, the high energy conversion rate can effectively reduce energy loss.

CSA Certified

LED Touch Screen Computerized Safety

Flow activation

Whole home indoor, gas powered tankless water heater, rated at 3.6 GPM that activates only when in use, making it an energy saver.

For indoor installation with safe, efficient power ventilation and perfect for any small home, cabin or apartment.

Easy to read digital temperature display, on a compact and space-saving design with minimal noise output.

Exclusive Water Savings technology conserving up to 1, 100 gallons per year

157, 000 BTU (gas consumed per hour)

Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state

Whole home indoor, Natural Gas powered tankless water heater, rated at 6.8 GPM that activates only when in use, making it an energy effiecient and perfrect for any home. apartment or townhome!

The Eccotemp 45H/HI series is CSA Certified for US and Canadian use guaranteeing a safe, easy, and enjoyable installation experience.

4" Venting is required for the indoor models. Venting is available for purchase separately or you can purchase the unit and vent kit as a bundle.

Whole home indoor, gas powered tankless water heater, rated at 3.6 GPM that activates only when in use, making it an energy saver.

For indoor installation with safe, efficient power ventilation and perfect for any small home, cabin or apartment.

Easy to read digital temperature display, on a compact and space-saving design with minimal noise output.

𝟏.𝟓𝟖 𝐆𝐏𝐌 𝐎𝐧-𝐃𝐞𝐦𝐚𝐧𝐝 𝐈𝐧𝐬𝐭𝐚𝐧𝐭 𝐖𝐚𝐭𝐞𝐫 - Camplux propane water heater is rated at 1.58 GPM and has a maximum power output of 41,000 BTU/hour with 11.5% energy-saving technology, saving up to 50% on water heating costs

𝐋𝐢𝐠𝐡𝐭𝐰𝐞𝐢𝐠𝐡𝐭, 𝐞𝐚𝐬𝐲 𝐭𝐨 𝐜𝐚𝐫𝐫𝐲 - This portable hot water heater weights 14 lbs, makes using it for camping, Tiny Home, RV, Poolside, Washing Pets, Equestrian, Cleaning Vehicles, Greenhouses or anywhere else that you need instant reliable endless hot water for shower

𝐄𝐧𝐣𝐨𝐲 𝐒𝐡𝐨𝐰𝐞𝐫 𝐄𝐯𝐞𝐧 𝐎𝐮𝐭𝐝𝐨𝐨𝐫𝐬 - Runs on a standard 20 lbs liquid propane tank, Camplux tankless water heater features an electronic ignition powered by 2 D-type batteries(not included in accessories), and comes with a 3.54'' diameter rain cap protected from the weather, making it ideal for on-the-go