Are you trying to find high efficiency water heater among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling high efficiency water heater on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 11 hours of research and did 25 high efficiency water heater tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best high efficiency water heater you can buy today
- Flow rate of 0.4 - 8.4 GPM
- Available temperature settings range from 100 to 140F (default setting of 120F)
- Includes electric ignition
- Covered under 1 year labor, 15 year heat exchanger, and 5 year parts manufacturer warranties
- Width 17-11/16-in
- 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
- Satisfies the 2012 SCAQMD Rule 1146.2 for Ultra-Low NOx Emissions
- Primary heat exchanger utilizes commercial-grade copper alloy for 25 times better heat transfer than stainless steel, Integrated controls and power cord as standard features
- Continuous Hot Water & Comfort When Needed – Provides enough hot water for your entire house, even when using multiple applications such as a shower and dishwasher
- Save on Energy Costs – High Efficient Water Heater only runs when needed
- Save Water– Water Saving Setting saves up to 1,100 gallons of water per year
- Hot-start programming keeps the water heater in a ready state, avoiding any cold-water bursts
- Leak Protection – LeakGuard Leak Detection & Prevention protects your home from water damage that detects any internal leak, both large or small
- Energy Efficient Continuous Hot Water for the Whole Home
- 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
- Smart-Circ Intelligent Recirculation: This tankless hot water heater features Smart-Circ technology that learns your water usage patterns, then schedules pump and recirucation accordinlgy for superior energy efficiency and convenience
- Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This outdoor condensing tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 11 GPM (7 fixtures at once)
- Smart, Durable Design: With no venting required, water heater fits a wide array of spaces; 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
- ENERGY STAR qualified with Uniform Energy Factor of 0.111
- Endless hot water, On-demand usage, Compact, Space saving, Energy conservation
- Computerized safety features, No pilot light to have to worry about
- Satisfies the 2012 SCAQMD Rule 1146.2 for Ultra-Low NOx Emissions
- Smart-Circ Intelligent Recirculation: This tankless hot water heater features Smart-Circ technology that learns your water usage patterns, then schedules pump and recirucation accordinlgy for superior energy efficiency and convenience
- Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This indoor condensing tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 11 GPM (7 fixtures at once)
- Smart, Durable Design: With multiple venting options, water heater fits a wide array of spaces; 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
- ENERGY STAR qualified with Uniform Energy Factor of 0.113
- Intended Household: 2-3 Person, Fuel Type: Propane, Capacity (Gallons): 40, BTU Input: 34000, 1st Hour Delivery (Gallons): 64
- Venting: Atmospheric, Features: Energy Star Qualified, Height (Inches): 61.25", Diameter (Inches): 18", Weight (lbs): 132 lbs
- Warranty: 6-Year Limited Tank/ 6-Year Limited on Component Parts, Energy Factor: 0.59, Energy Star Rated: No, Max Altitude (Feet): 2000, Application: Plumbing
- Water Connection: 3/4", Vent Size: 3 x 4, Recovery Efficiency: 80%
- Flow rate of 0.4 - 8.4 GPM
- Available temperature settings range from 100 to 140F (default setting of 120F)
- Includes electric ignition
- Covered under 1 year labor, 15 year heat exchanger, and 5 year parts manufacturer warranties
- Width 17-11/16-in
- Continuous Hot Water & Comfort When Needed – Provides enough hot water for your entire house, even when using multiple applications such as a shower and dishwasher
- Save on Energy Costs – High Efficient Water Heater only runs when needed
- Save Water– Water Saving Setting saves up to 1,100 gallons of water per year
- Hot-start programming keeps the water heater in a ready state, avoiding any cold-water bursts
- Save Space - New smaller size, 19%, and reduced weight by 22% compared to the previous model for easy installation and space savings
- Energy Efficient Continuous Hot Water for the Whole Home
- Low operating cost - High energy efficiency and water savings setting
- Space Savings - Compact, space-saving design. Perfect for a tank replacement.
- Recirculation pump kit ready
- For use indoor only
- Instant Hot Water: FOGATTI Electric Tank Water Heater operates with a 1440W power for heating, utilizing an L-shaped heating rod to maximize heat exchange with water in the tank. The 310S stainless steel enhances heat transfer efficiency, meeting your hot water needs.
- Long Lifespan: The main material is coated with smooth enamel, with a uniform 0.8mm thick German-made enamel layer on the tank surface, effectively preventing corrosion, rust, and leaks. The water heater features an integrated magnesium rod to protect the tank.
- Space-Saving: Designed with a compact and streamlined form, the product dimensions are 14.96"W x 18.5"H x 12.80"D. It can be wall-mounted, placed under the sink and countertop, making it suitable for RVs and camping as well.
- Safety Protection: CSA certified. A high-temperature limit device shuts off heat and provides protection when the temperature reaches 167 °F. It includes a T&P valve for high water pressure protection. Also, the temperature is adjustable within a range of 55°F to 145°F.
- Easy Installation: Water connection: 1/2" NPT; Electrical requirements: 120 Volts (AC), 1440 watts under voltage;With plug connection(Power cord: 800mm); Maximum water pressure: 150 PSI; Recommended circuit breaker specification: 15 AMPS, ensuring complete electrical safety. FOGATTI provides a 6-year limited warranty for the tank and a 1-year warranty for components, giving you peace of mind.
- Note: To avoid normal leakage at the inlet and outlet, do not omit the sealing washer at the fitting when connecting the external water hose. External water hose and sealing washer are not included with this product.
- [Endless On Demand Hot Water] - Consistent hot water that never runs out when you need it. Continuously detect water temperature and flow rate to ensure efficient heating and stable performance within 1°F of your selected temperature. Requires 60Amp breaker (2 Sets of Double-pole 30AMP Breakers)
- [Last Long & No Leaking] - Alloy metal housing & water ports, heating element separated from water tube significantly reducing scale, corrosion and mineral buildup on the element, achieving better performance and low maintenance.
- [Save Money and Space] - Self-modulating technology regulating the amount of energy required to heat water only when you need it with 99% efficient, saving up to 60% on water heating cost comparing to traditional tank water heater. Wall mounted compact size with no water tank, convenient for any spaces, saving floor space and fitting into tight spaces
- [Easy Installation & Safety Protection] - ETL certified with overheating protection, auto stop heating when detecting no water, quality workmanship for leakage protection
- [Installation] - 11 kilowatts 208 ~ 240V adjustable draws max 46amp, 1/2” NPT male ports, 12AWG wire to 2 x Double-pole 30AMP breakers, ideal for providing hot water for a bathroom, small sink, office break room and other point-of-use or low-flow applications
- Continuous Hot Water & Comfort When Needed – Provides enough hot water for your entire house, even when using multiple applications such as a shower and dishwasher
- Save on Energy Costs – High Efficient Water Heater only runs when needed
- Save Water– Water Saving Setting saves up to 1,100 gallons of water per year
- Hot-start programming keeps the water heater in a ready state, avoiding any cold-water bursts
- Save Space - New smaller size, 19%, and reduced weight by 22% compared to the previous model for easy installation and space savings
- Continuous Hot Water & Comfort When Needed – Provides enough hot water for your entire house, even when using multiple applications such as a shower and dishwasher
- Save on Energy Costs – High Efficient Water Heater only runs when needed
- Save Water– Water Saving Setting saves up to 1,100 gallons of water per year
- Hot-start programming keeps the water heater in a ready state, avoiding any cold-water bursts
- Save Space - New smaller size, 19%, and reduced weight by 22% compared to the previous model for easy installation and space savings
- Continuous Hot Water & Comfort When Needed – Provides enough hot water for your entire house, even when using multiple applications such as a shower and dishwasher
- Save on Energy Costs – High Efficient Water Heater only runs when needed
- Save Water– Water Saving Setting saves up to 1,100 gallons of water per year
- Hot-start programming keeps the water heater in a ready state, avoiding any cold-water bursts
- Save Space - New smaller size, 19%, and reduced weight by 22% compared to the previous model for easy installation and space savings
- Performance: Camplux 3.18 GPM gas tankless water heater boasts a heating capacity of 820,000 BTU and a hot water flow rate of 3.18 gallons per minute (GPM). It can provide continuous hot water for 2-3 water supply points, making it sufficient to meet the hot water needs of a household's bathroom, kitchen, and bar area.
- Save Money: The tankless gas water heater already includes the exhaust pipe, so you don't need to spend extra money on purchasing it separately. With an oxygen-free copper water tank, it reduces heat loss and lowers energy consumption. Applied with standard 1/2" NPT water fitting and gas inlet.
- No Waiting Required: Unlike traditional tank water heaters, instant water heaters eliminate the need for a 30-minute preheating wait time, allowing you to have unlimited hot water on demand.
- Upgrade features: The instant gas water heater has trendy and modern design with unique white glassy front panel easy to control the water temperature with LED touchscreen (Fahrenheit and Celsius switch optional). 90°wind isolation design, this tankless propane water heater can anti backflow wind in high floors.
- Recommendation: We strongly advise that all installations of the device adhere to local building and plumbing regulations at the installation location, and should be carried out by licensed professionals.
- Continuous Hot Water & Comfort When Needed – Provides enough hot water for your entire house, even when using multiple applications such as a shower and dishwasher
- Save on Energy Costs – High Efficient Water Heater only runs when needed
- Save Water– Water Saving Setting saves up to 1,100 gallons of water per year
- Hot-start programming keeps the water heater in a ready state, avoiding any cold-water bursts
- Leak Protection – LeakGuard Leak Detection & Prevention protects your home from water damage that detects any internal leak, both large or small
- Amazon Kindle Edition
- Ramlow, Bob (Author)
- English (Publication Language)
- 432 Pages - 07/01/2010 (Publication Date) - New Society Publishers (Publisher)
- 【Super Bright & Large Capacity Battery】Sinvimes rechargeable flashlight was built-in upgraded XHP70.2 LED chip, with service life up to 90,000 hours and high output up to 990000 lumens, which is about 30 times brighter than ordinary incandescent lamps. Irradiation distance of this led flashlight is up to 3280ft, equaling to the length of 8 football filed. 5000mAh battery ensuring you a longer use time for more than 10h at high mode and 24h at low mode
- 【5 Lighting Modes & Telescopic Zoom】Sinvimes Tactical flashlight has High, Medium, Low, Strobe and SOS lighting modes, you can choose the appropriate lighting mode according to your needs. Flashlights high lumens zoom in mode can illuminate half a mountain, and the zoom out mode can illuminate 3280 feet distance. This flash lights can provide super brightness in both outdoor and indoor, giving you a full sense of security, which is ideal for home, hiking, camping, emergencies and more
- 【Type-C Fast Charging & Widely Uses】 This Bright Flashlight is equipped with a USB-C fast charging port, which means it can be fully charged in 3 hours and last for 24 hours! And this super bright flashlight can be recharged and discharged for 10000 times, whether you're indoors or out, on the go or on the job, ready for adventure or just to stay safe, SINVIMES flashlight is perfect for powering up and lighting your way
- 【IPX7 Waterproof & Shockproof】Sinvimes high powered flashlight is made of aircraft aluminum alloy, which has the functions of waterproof, anti-drop and efficient heat dissipation, ensuring you a confidence use in hunting, camping, caving, fishing, biking, night hiking, rescuing. Comparing with traditional search & rescue flashlight, this handheld flashlights is safe, powerful and long lasting, it’s a must-have tool in every adventurers' backpack
- 【10 Years No Reason for Return & Excellent After-Sales Services】We provide 10-year of replacement service and 7*24-hour customer service for this rechargeable flashlight, please don’t hesitate to contact us,If you have any questions ,we will provide you a satisfactory solution in 24hours. This flash light was created by a team of talented engineers over several months and tested to strict standards, add it to your shopping cart now and enjoy the fun
How to choose a good high efficiency water heater
Does the idea of finding a fantastic high efficiency water heater make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in high efficiency water heater. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top high efficiency water heater products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top high efficiency water heater on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top high efficiency water heater brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top high efficiency water heater based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the high efficiency water heater were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good high efficiency water heater, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your high efficiency water heater.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting high efficiency water heater for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our high efficiency water heater. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what high efficiency water heater should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on high efficiency water heater.
