Best 75 Gallon Gas Water Heaters in 2026

On demand a continuous and unlimited supply of hot water

Sleek design saves space and no venting required, It also features two different temperature memory presets, making it easy to adjust for personalized needs.

Requires hard-wired 240 or 208-volt electric service, with a maximum draw of 28,800 watts at 240 volts or 21,600 watts at 208 volts

Compact design; wall or floor mounted (wall bracket included)

Provide immediate hot water at the point of use; install as booster or standalone

Easy installation; installs right at the point of use with water connection and standard 110/120 Volt outlet

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

Saving Energy & Money- Built in insulation foam, reduces heat loss. 4-gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it.

High Quality Built & Elegant Design- Camplux electric water heater has glass-lined tank for long service life and easy to maintain. Elegant streamline design cover, made your kitchen more pretty.

UL Approval Safety - Thermostat Control allows adjustment of water temperature. High Limit device provide protection while overheating.

Original Design: Tankless hot water heater only heats when necessary to conserve energy; For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE160eN 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 6.5 GPM (5 fixtures at once)

Smart, Durable Design: Enhanced scale detection helps prevent serious, long-term damage to unit; Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)

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)

Original Design: Tankless hot water heater only heats when necessary to conserve energy; For the latest in non-condensing technology and a cleaner layout 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 7.5 GPM (5 fixtures at once)

Smart, Durable Design: Enhanced scale detection helps prevent serious, long-term damage to unit; Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)

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

MULTIPLE BENEFITS: Extend the lifetime of your water heater, improve its efficiency, reduce your energy bill, and increase your hot water supply. This tool pays for itself in one use!

WORKS GREAT: tradition flushing only removes small loose sediment particles where the Turbo Tank Cleaner works to break up the large sediment deposits collected at the bottom of the tank.

UNIVERSAL: cleans all water heater tank types, gas and electric (not for tankless water heaters).

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.

Installation Guide. We recommend that all installations must in accordance with the local building and plumbing codes of the installation location, install the hot water heater by a licensed professional plumber.

Instant Hot Tankless Water Heater. Camplux advanced 6.86 GPM high capacity natural gas tankless water heater delivers 6.86 gallons per minute of on-demand endless hot water. It is suitable for 3-4 outlet points, which can satisfy whole family.

Easy Installation. It won't take up your indoor space, keeping your home more airy and having a more comfortable living experience. The tankless water heater includes digital remote control with a 3.3 feet cable for convenient flow control.

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

No more waiting for the water tank to warm up or running out of warm water halfway through your shower. With this amazing machine, you can have a steady stream of hot water flowing to your faucets or shower without waiting for the tank to warm up.

There is a forced exhaust structure that keeps the air safe and clean while and after entering the combustion chamber. There is also a dust net to make sure no dirt gets into the tankless water heater.

There is a low water pressure startup, which helps to protect the heater and make it easier to use.

Original Design: Tankless hot water heater only heats when necessary to conserve energy; For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE199iN 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: Enhanced scale detection helps prevent serious, long-term damage to unit; Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)

CSA Safety Standard -CSA safety standard approved tankless propane water heater,flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 3.6-110 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 propane hot water heater will shut off automatically when high water temperature protection over 176 °F.

Lightweight Portable Design-Compact size and weights 23 lbs 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.

Energy Saving-Compact and light weight structure with 11.5% energy saving technology.The propane gas water heater exchanger and main burner are designed with advanced combustion technology to decrease gas consumption and burning noise.

☼ Endless Hot Water: Imagine you are the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. Too bad you don’t have an Airthereal Electric Tankless Water to provide endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.

☼ Save Space: That water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a traditional hot water heater with a tank.

☼ Save Energy: Water is only heated when you need it, not stored in a hot water tank. The self-modulating temperature technology only uses energy to heat up water while you are using it to save up to 50% on water heating energy compared to a typical tank water heater.

Steady Temperature Control- Benefiting from the calculation and control of the heating power , the temperature difference of the water can be precisely controlled within ±2 ℉, no more chilly cold shower

High Heating Performance- Camplux CA318 gas hot water heater comes with oxgen-free copper heat exchanger and v-type stainless steel burner makes high heating efficiency up to 98.99 % in 3 seconds

3.18 GPM Instant Hot Water- Camplux natural gas tankless water heater delivers 3.18 GPM on-demand hot water for 2-3 points simultaneous water supply for bathroom,kitchen hot water demand

【MULTIPLE PROTECTIONS】：HOTaitai propane tankless water heater can automatically shuts off gas supply when flame goes out accidentally and ignition is unsuccessful. Anti-freezing protection, the drain plug can discharge the residual water inside to avoid freezing in cold areas or in case of long time idle. This portable water heater has high temperature protection, if water temperature over 167 °F, the unit will shut down automaticlly.

【QUICK CONNECT GAS INLET】: Easy to install gas pipe by one hand, with more safety for preventing any gas danger at the same time. And this portable propane water heater has compact size and folding handle allow for convenience to carry. With the portable handle, you can hanging it vertically into a hook or using the mounting bracket on the top/back of the gas water heater.

【CSA CERTIFIED】：The gas quick fittings-CSA approved, to make sure no gas leaks risk when connection and simplify the connection without tools, install by one hand.

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

➤ 4 GALLON CAPACITY - 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Stainless steel tank and heating element designed for efficiency, durability and long life service (Relief Valve has been upgraded)

➤ Save Energy - Low stand-by loss power consumption. With Advanced Thermostop Technology of Germany, stop heating or reheating automatically when the water heater reaches a high or low set temperature

➤ EPS FOAMING TECHNOLOGY - Heating water quickly and better insulation, fast recovery rate eliminates long waits for hot water at your sink

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

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

Hot water without the wait - or the waste

Low operating cost - High energy efficiency and water savings setting

Space Savings - Compact, space-saving design. Perfect for a tank replacement.

【INSTANT & SUFFICIENT HOT WATER】It is a high efficient water heater with compact size to produce the hot water very quickly.

【INSTANT & SUFFICIENT HOT WATER】It is a high efficient water heater with compact size to produce the hot water very quickly.

【CONVENIENT USE】With LED indicator light, for more convenient. Freely adjust water temperature by water flowing, simple operation.

Hot water without the wait - or the waste

Low operating cost - High energy efficiency and water savings setting

Space Savings - Compact, space-saving design. Perfect for a tank replacement.

APPLICATION: Dimensions : 22.25" W x 48.75" H x 22.25" LPerfect size for a maintenance closet, access closet under the stairs, crawl space. Ideal for replacement projects.

DURABILITY: Two magnesium anode rods for extra tank protection. Dielectric heat trap. Heavy gauges steel tank for extra years of trouble-free service. Glass-lined steel tank to help prevent corrosion.

WARRANTY: 10-year tank and parts limited warranty

SAFE & PREMIUM:With high quality stainless-steel protect cover,will effectively prevent the heating element is in direct contact with people or animals ，it is rust proof and durable, design for long term use.Our immersion water heater has an intelligent temperature control design, which automatically cuts off the power when the water temperature reached 75℃. The quality is safe, stable and reliable, preventing dry burning.

FAST HEATING:1500W of power can make 5 gallons of water warm in a few minutes.Heat dissipates to the water faster by flowing through the holes in the guard.The heater needs to be completely immersed in water in working condition.Please take out the immersion water heater before touching the water! Do not use it for more than 3 hours continuously! Please do not plug the two heaters into the same outlet to avoid fire hazards.

WIDE RANGE OF APPLICATIONS:Our portable water heater is suitable for portable bathtub,mini pool(Using more than one),sink, bucket, washbasin,etc.Make sure the container can hold hot water when using it.This immersion heater is handy and super lightweight, making it perfect for travels and road trips.Note, only for water heating.

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 7.5 GPM hot water flow rate for a powerful, constant stream