This indoor tankless water heater is the perfect solution for those who don’t want to waste energy heating water in a tank. This unit is efficient and will help reduce energy bills while providing hot water on demand. It features a sleek modern design and is easy to install and operate. With a digital temperature control and a maximum capacity of 6.5 gallons per minute, you can enjoy a steady supply of hot water for all your needs. This unit is perfect for homes, businesses, and even RV applications. It’s reliable, durable, and comes with a two-year warranty. With this tankless water heater, you can expect to enjoy plenty of hot water, energy savings, and peace of mind.
Top 10 Best Indoor Tankless Water Heater, Recommended By An Expert
1#. MAREY GA24CSANG 8.34GPM, High Efficienty, CSA Certified, Residential Multiple Points of Use Natural Gas Tankless Water Heater, White, Small
Features
CSA Certified
LED Touch Screen Computerized Safety
Flow activation
Oxygen free copper heat exchanger
Stainless Steel Venting Exhaust
Anti-Freeze Protection
UL listed
DOE
Unit performance is affected if installed above 2000 feet elevation from sea level
2#. FOGATTI Natural Gas Tankless Water Heater, Indoor 7.5 GPM, 170,000 BTU White Instant Hot Water Heater, InstaGas Comfort 170 Series
Features
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.
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.
Fogatti provides 5 years warranty on the heat exchanger and 2 years warranty on other parts. The above-mentioned labor costs are extra from 31 days.
3#. Tankless Water Heater, 3.17 GPM Instant Hot Propane Gas Water Heater with Constant Temperature, Indoor (Propane Gas)
Features
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 propane 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.Note: In cold weather, if the water heater is not used for a long time, it is necessary to open the pressure relief valve to drain the residual water in the water heater to prevent the exchanger or water pipe from freezing and swelling.
【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 propane gas costs.
【Quality Material】Made with brushed stainless steel material, the propane gas water heater has the function of high temperature resistance, corrosion resistance. Built-in oxygen-free copper water tank, long service time.
NOTE: This product does not have a serial number. If you don’t know how to install a water heater at all, it is recommended not to buy it.
4#. Camplux 2.64 GPM Residential Indoor Tankless Water Heater,On-Demand Instant Water Heater with Fahrenheit Digital Display, Liquefied Propane Gas Water Heater for Small Homes, Apartments Use, Black
Features
Compact Design,Saving Energy-The compact size – 12.8″(L)*5.91″(W)*20.28″(H) tankless water heater saves more space than traditional tanks.Trendy and modern design with fahrenheit digital temperature display.Eco and Full gas switch for energy saving and get ideal hot water temperature.
On-Demand Tankless Water Heater-Camplux high efficiency 2.64 GPM propane gas tankless water heater delivers 2.64 gallons per minute of on-demand endless hot water ensures instant hot water for any small homes, cabins or apartments.
Safety Features-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 propane water heater uses standard 1/2″ NPT water fitting and gas inlet. 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. You will need a gas regulator ( Camplux model KR-106A )＆1 pc 5/8″ NPT male to 1/2″ BSP female gas connector adapter if you want to hook this water heater up to a propane tank.
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.
5#. Eccotemp i12-LP Water Heater, 4 GPM, Black
Features
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
Safe electronic ignition system; Plugs into standard 110v electrical outlet with UL-listed cord
Uses standard 1/2″ NPT water fittings and comes with horizontal venting allowing for a convenient and quick installation
6#. Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater
Features
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.
Water & Gas Leak Detection will shut down unit and provide an error code
For use indoor only
7#. FOGATTI Natural Gas Tankless Water Heater, Indoor 5.1 GPM, 120,000 BTU Instant Hot Water Heater, InstaGas Classic 120 Series
Features
【Smaller size and better performance】It is only 1/4 the size of a 50 gallon tank water heater, yet it produces approximately 5.1 GPM of hot water through 120,000 BTU for both bathroom and kitchen hot water demand. The highly integrated components also provide greater safety from water pressure surges without the need to install an expansion tank.
【Fast and endless supply of hot water】The heat exchanger quickly heats the water to a maximum of 140℉ in a short time, and the hot water is quickly piped through to the shower and tap. No need to wait for the water temperature to heat up slowly like a tank water heater. After that it continues to operate at approximately 5.1 GPM for 40 minutes, which is enough time to produce almost 200 gallons of hot water.
【Stable and comfortable temperature】Benefiting from the calculation and control of the heating power 1000/s by the chip, the temperature difference of the water can be precisely controlled within ±2°F.
【High compatibility and easy installation】Most tank water heaters have exhaust vent, water and gas pipe that can be universally used in tankless, requiring only a simple re-layout. If installing a tankless water heater in a new house, its compact size makes it easy to install. Of course, we recommend that all installations are carried out in accordance with local building and plumbing codes by licensed professionals.
【Excellent quality and service】CSA certification in the USA and Canada. Superior safety and durability using the world’s most advanced technology. FOGATTI provide 5 years warranty on heat exchanger and 2 years warranty on other parts.
8#. Rheem 18kW 240V Tankless Electric Water Heater
Features
External digital thermostatic control with LED display (+/1 degree accuracy)
Most advanced self-modulation, adjust power to meet hot water demand
Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
Simple installation – bottom 3/4 inch NPT water connections
Threaded for easy replacement, simple installation, digital temperature display
9#. Rinnai V65iN Tankless Hot Water Heater, 6.5 GPM, Natural Gas, Indoor Installation
Features
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 RE160iN 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)
Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region
10#. CAMPLUX Tankless Water Heater, 4.22 GPM On Demand Propane Water Heater, Instant Hot Water Heater, Indoor, Gray (CA422)
Features
Space Saving and Better Performance- It is only 1/4 the size of a 50 gallon tank water heater, it produces approximately 4.0 GPM of hot water through 102,000 BTU for both bathroom and kitchen hot water demand. The highly integrated components also provide greater safety from water pressure surges without the need to install an expansion tank
Fast and endless supply of hot water- The oxgen-free heat exchanger quickly heats the water to a maximum of 140℉ in 2 seconds and the hot water is quickly piped through to the shower and tap. No need to wait for the water temperature to heat up slowly like a tank water heater. After that it continues to operate at approximately 4.0 GPM for 40 minutes, which is enough time to produce almost 160 gallons of hot water
Steady Comfortable Temperature Control -Benefiting from the calculation and control of the heating power 1000/s by the chip, the temperature difference of the water can be precisely controlled within 2°F. The tankless hot water heater has trendy and modern design with unique gray glassy front panel, easy to control the water temperature with LED touchscreen
High Compatibility and Easy Installation-You can replace t most tank water heaters ,original exhaust vent, water and gas pipe can be used for CAMPLUX tankless water heaters, only requires only a simple re-layout. This compact size makes it easy to install even in a new house. We recommend that all installations are carried out in accordance with local building and plumbing codes by licensed professionals
Durable and Long Lasting- CSA certification in the USA and Canada. Superior safety and durability using the world’s most advanced technology. CAMPLUX provide 3 years on heat exchanger and 1 years on other parts
