The High Efficiency Water Heaters For 2022

Sherry Peterson By, Sherry Peterson
Updated
CAMPLUX ENJOY OUTDOOR LIFE
Image credit: Amazon.com

The Rundown

1. Best Overall: CAMPLUX ENJOY OUTDOOR LIFE

"The CAMPLUX ENJOY OUTDOOR LIFE High-Efficiency Natural Gas Tankless Water Heater is designed to fit in any outdoor space and provides the highest efficiency, as well as being easy to install. With its distinctive exterior design, it will fit perfectly into your outdoor landscape. The single-button operation makes this product very user-friendly for all types of use." Read Review

2. Best Bang For The Buck: Rinnai RUCS65iN Tankless Hot Water Heater

"This Rinnai tankless hot water heater is designed to provide powerful, efficient, and reliable hot water for your home, no matter how big or small the space! This HEATSTAT-approved Rinnai RUCS65iN tankless hot water heater gives you endless hot water, energy, and space effective, optimal water pressure, and an easy installation." Read Review

3. Best Realiable: CAMPLUX ENJOY OUTDOOR LIFE

"The CAMPLUX ENJOY OUTDOOR LIFE High-Efficiency On Demand Propane Water Heater is a high-efficiency, Constant & Sustainable Hot Water Solution, with affordable and efficient savings. It can heat water up to a constant temperature of 90 degrees Celsius or 130 degrees Fahrenheit. The water heater is also wind resistant and has an intelligent control module, temperature intelligent adjustment, and environmental protection." Read Review

4. Best Style: GREATBEAR Electric Tankless Water Heater

"With the GREATBEAR Electric Water Heater, you can have hot water on demand without having to wait for your tank to refill. This self-modulating instant water heater is safe, durable, and convenient to use. It is a great option for those who do not want to be dependent on a traditional tankless hot water heater." Read Review

5. Best Design: Rinnai V75eN Non-Condensing Natural Gas Tankless Water Heater

"Rinnai V75eN Non-Condensing Natural Gas Tankless Water Heater provides unlimited hot water, and an efficient and durable design. It consumes the least amount of energy for a tankless gas water heater that delivers maximum performance. It is ideal for homes with low or no water lines or for households that have difficulty accessing an outdoor gas supply." Read Review

Water is an essential part of life in the modern world. We need clean water to drink, bathe, cook with, and wash clothes with. As such, it’s important that you have access to a reliable source of clean, safe water whenever you need it.

Fortunately, many new water heater models have been introduced in recent years that make it easier than ever before to have access to hot water at all times. These new water heaters use less energy and are more efficient than their older counterparts. They also come in a wider range of styles and sizes than ever before.

This guide discusses the top 10 high-efficiency models on the market today. These include details about their cons and pros, along with examples of properties that use the hottest water in general and how much heating costs per gallon of water for each model.

After nearly 22 hours of research, We think the high efficiency water heaters is CAMPLUX ENJOY OUTDOOR LIFE. Or you can check the Rinnai RUCS65iN Tankless Hot Water Heater as the other great option, even if the first option didn't meet all of your requirements.

Our Top Picks

TOP Choice #1 CAMPLUX ENJOY OUTDOOR LIFE
Our Score:
9.7
CAMPLUX ENJOY OUTDOOR LIFE

Convenient, Easy Installation -The tankless water heater uses standard 1/2" BSP water fitting and gas inlet. The water heater comes with1/2 " 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 2.3" horizontal vent pipe,ensures efficient power ventilation. You can take Camplux customized wall thimble-WT236 for perfect indoor use.

6-In-1 Protection Ensure Your Safety- Dry combustion,flame failure device, anti-freezing protection, over heating protection to ensure your safety. Fully automatic temperature controls with an energy saving mode and child lock technology.

3.18 GPM Instant Constant Water Heater -Camplux 3.18 GPM tankless water heater natural gas delivers 3.18 gallons per minute of on-demand endless hot water ensures constant comfortable instant hot water for 2-3 persons whole house. 3.18-GPM heater is activated by water flow rather than water pressure; Minimum activation water capacity rate: 0.65 GPM-4.8 GPM; Maximum input rating: 82,000 BTUs; Water connection location/size: Bottom/0.5-inch NPT.

Note- The standby electric power of is 2W, working electric power is 42W. Natural gas input pressure is 0.25 psi. There is a pressure relief valve at the water inlet of water heater. It is necessary to manually unscrew the pressure relief valve to drain the water inside the machine in time after using the machine to avoid freezing and blew up when the temperature is lower than 32 ° F in winter.

Outstanding Features- The Camplux tankless gas water heater comes with oxgen-free copper heat exchanger and v-type stainless steel burner,high heating efficiency up to 89.98 %; 90°wind isolation design, this tankless natural gas water heater can anti backflow wind in high floors, the S/S 2.36 ” vent pipe exhaust harmful gases quickly.

Modern Design,Easy Operation -Trendy and modern design with unique white glassy front panel,easy to control the water temperature with LED touchscreen (Fahrenheit and Celsius switch optional).The compact size on demand water heater saves more space than traditional tanks.

TOP Choice #2 Rinnai RUCS65iN Tankless Hot Water Heater
Our Score:
9.5
Rinnai

Optimal Water Pressure: High-performance 6.5 GPM hot water flow rate for a powerful, constant stream

Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary

Guaranteed to Last: 12-, 5-, and 1-year residential factory warranty for heat exchanger, parts, and labor respectively

Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended

Multiple venting options available including PVC/CPVC using the Ubbink Concentric to Twin Pipe adaptor allow for an easy installation

TOP Choice #3 CAMPLUX ENJOY OUTDOOR LIFE
Our Score:
9.3
CAMPLUX ENJOY OUTDOOR LIFE

On-Demand Tankless Water Heater-Camplux advanced 5.28 GPM high efficiency flow control propane gas tankless water heater delivers 5.28 gallons per minute of on-demand endless hot water to suit medium- and smaller-sized homes. Automatically activates on water pressure between 7.0-150 PSI.

Constant & Sustainable Hot Water Solution - CSA certified balanced combustion design,features with over-high wind pressure safety protection,Ipx4 water resistant protection, over-loaded electric protection,fan failure protection, equipped with PCB start up self-test & real-time intelligent monitoring, timely warning of potential gas fire and hydro power to ensure your family's safety.

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.

Affordable & Efficient Savings - PCB frequency conversion intelligent control, temperature intelligent adjustment, environmental protection and durability, truly outstanding energy saving. Man-machine dialogue, heating without waiting. This residential constant model saves time, money and energy while producing safe, endless hot water for whole home at an affordable rate.

High Thermal Efficiency & High-Rise Wind Resistance-Phosphorus deoxidized copper heat exchanger with high temperature and corrosion resistance technology for full combustion and high thermal efficiency up to 92% . It can resist grade 8 wind speed and 240Pa high anti-wind pressure. Additionally, a wind pressure sensor is added to perceive the external wind force in real time and automatically adjust the fan, flame and maintain stable combustion.

【Convenient Use】the electric tankless water heater 13kW comes with digital display & touch control panel so temp setting is easy job. Best of all, useful information on the screen helps you get full understanding of the working status, you needn’t go through hard lesson of temp setting by a mixer tap without direct information. Now turn on the faucet and let the smart hot water heater do the rest.

【Point of Use Water Heater】 the sleek tankless water heater electric ECO130W is compact as a shoes box, making it possible to install anywhere point of use to avoid energy and water waste, ideal for single shower, kitchen faucet, bar, school, hospital, community and hair salon. Please verify it is the right size for you: 13kW at 240V(only); dimensions 11" (W) x 15.75" (H) x 2.25" (D); plumbing connections :1/2" NPT.

【Self Modulation Instant Water Heater】the electric hot water heater ECO130W adjusts exact power input based on current flow rate and temp setting. For example, less power will be applied by the smart water heater when you reduce water flow, thus, you get ideal temperature instead of scalding hot, which ensures comfortable experience and excellent energy efficiency. Also, optimal energy efficiency of 99.8% saves considerable electric charge for you.

【Electric Tankless Water Heater】applied with powerful 13kW heating system, the tankless water heater electric ECO130W supplies sufficient instant and endless hot water of 110℉ or higher in seconds, no waiting for preheating nor terrible temp fluctuation during shower time, perfect companion for single shower, sink faucets,dishwasher or washing machine.

【Safe and Durable Hot Water Heater】newly updated and applied with multiple protections, every piece electric tankless water heater from GREATBEAR goes through strict tests to ensure 100% safety. Inner water and electricity lines are designed to run separately so as to avoid leakage risk and scale build up. You can expect outstanding performance for years to come.

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

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)

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 RE180eN model

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

Satisfies the 2012 SCAQMD Rule 1146.2 for Ultra-Low NOx Emissions

Endless hot water, On-demand usage, Compact, Space saving, Energy conservation

Safety features include freeze, overheat, surge protection, and troubleshooting diagnostic codes

Computerized safety features, No pilot light to have to worry about

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

For use indoor only

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

Low operating cost - High energy efficiency and water savings setting

Hot water without the wait - or the waste

Water & Gas Leak Detection will shut down unit and provide an error code

Thermal input: 32 KW

Thermal efficiency: ≥80.8%

Working temperature: -8-45℃

Capacity: 16L/min (4.2 GPM), 25 degrees warm water producing rate

Gas Type: Natural Gas

Endless hot water, On-demand usage, Compact, Space saving, Energy conservation

Computerized safety features, No pilot light to have to worry about

Dimension:22.5"H x 17.75"W x 10.75"D

Satisfies the 2012 SCAQMD Rule 1146.2 for Ultra-Low NOx Emissions

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)

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)

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

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

Product Images, Product Titles, Product Highlights from Amazon Product Advertising API

What to Look For in a high efficiency water heaters?

Looking for the high efficiency water heaters requires consideration of many criteria. Product learning varies in type, feature, and customer ranking. Overall, it comes with several difficulties in buying. So, we are available to support you occasionally.

It is beneficial for you to have a closer look at the things below to evaluate and then choose which one is suitable:

Venting Needs

Electric water heaters do not require venting, so they can be placed in any place in your home. When they heat up, gas hot water heaters emit carbon monoxide and other harmful gases. These heaters use a ventilation system made up of pipes and conduits that removes these byproducts. Gas heaters require venting, take up more space, and are less suitable for homes than electric water heaters.

Tankless Or Tank

A tank water heater stores a set amount of hot water and is ready to be sent to several appliances simultaneously. The tankless heaters heat the water quickly and require less space than water heaters with tanks. One unit might not heat enough water for multiple fixtures simultaneously, so it is possible to purchase multiple water heaters.

Brass Vs. Plastic Drain Valves

A tank water heater has a drain valve located at the bottom that allows for the proper drainage of the tank. The valves can be used with standard garden hoses and made from brass or polyvinyl chloride (PVC). A brass drain valve is better than using plastic for hot water heaters, as brass is more resilient than plastic.

Space

A lowboy, or shorter water heater might be the best option if you don't have a lot to heat. They are smaller than average and can be used in small homes. You could also consider mini-tank or tankless water heaters. Although gas water heaters are bulky and heavy, it's possible to get smaller models. The size of electric water heaters is generally smaller. If you have limited space, tankless electric water heaters will be the most suitable option.

Tank Capacity

You should make sure your tank heater has enough hot water storage to provide heat for your entire family. Although tank heaters are capable of heating water at multiple locations simultaneously, they will require more time to heat the water. This could lead to unexpectedly cold showers.

Anti-Scale Devices

Some companies advertise that they can reduce mineral scale buildup by swirling water. Although scale may reduce the heater's life expectancy, it doesn't mean you have to spend a lot on fancy options. Look for one that comes with a 122022 warranty. This usually includes an element of a greater or lesser thickness.

Efficiency Rating

Efficiency ratings are a measure of how efficient water heaters actually heat water. An efficiency rating of.70 for hot water heaters means that 70% of energy used by them heat water.
The difference between electricity and gas rates means that this rating doesn't give a good indication of the cost you could expect to pay for the unit. A gas heater with a lower efficiency rating will be more efficient than one that uses electricity. However, gas heaters are mucher than electric ones.
Because they don't have to run constantly to heat water, tankless heaters are significantlyer than storage tanks heaters. A tankless water heater can cut down on your energy bills by up to 40% depending on how much hot water you use. To determine the impact on your budget, it is better to calculate the annual operating cost for the hot water heater.

Digital Displays

Modern water heaters have digital controls, which allow homeowners to set up the heater to turn off when they are away from home. Although a digital display can increase the initial price of the heater, it also increases the heat efficiency, which ultimately saves money.

Gas Or Electric

There are many factors that influence the choice of electric or gas-powered water heaters. These include local utility costs and personal preferences. People who want to save money upfront and those who don't have natural gas in their homes prefer electric water heaters. Gas heaters can be more costly upfront, but they will save you many hundreds of dollars per year depending on the energy cost in your region.

FAQs

Gas Vs Electric Water Heaters: Which Is Right For You?

It's not cheap to install a water heater in your house. This is why it's important that you take some time thinking about how to charge your appliances. First, electric heaters offer the most sustainable option for the environment. If you choose one, it will be a better choice for your planet. Although electric water heaters work better, the price of electricity is higher than that of traditional gas options. You can still use your gas heater even if there is no power, so you have less to worry about during a crisis.

Can Water Heaters Explode?

Electric and gas hot water heaters are susceptible to explosions. Explosions are rare, but can be caused by increased pressure in the heater, poor installation or maintenance, failure to set the temperature and relief valve (T & P), gas heaters, flammable liquids, or gas leaks.

How Do Water Heaters Work?

A tank-style water heater uses a dip tube that has an outlet in the bottom to heat the cold water. The tank's temperature is monitored by an internal thermostat which activates either a heating element, or a burner that warms water to the desired temperature.
Dual heating elements are used in electric water heaters to heat the water. The bottom heating element heats the coldest water faster, while the top one warms the water if it becomes too hot.
A pilot light, or electronic ignition system for gas water heaters ignites the gas that is flowing to a burner. Before shutting off, the burner heats water in the tank until it reaches a desired temperature. The exhaust is then vented outside.
Water heaters that are tankless don't keep water. They heat the water by using either electric or gas heating elements. The temperature of the hot water is a factor in how fast it flows, however most units are capable of providing hot water at a flow rate between 2 and 7 GPM.

How Long Does A Water Heater Last?

Although water heaters come with varying lifespan expectations, many can last for between 8-12 years. Some water heaters can last up to 20 years. Your water quality can make a difference in how long your heater will last. Over time, corrosion can occur from heavy minerals or sediment.
Depending on which model you select, the manufacturer may offer different warranty terms. The most common warranty period is usually between 6 and 9 years.

What Is The Best Compact Water Heater For Saving Space?

Mini-tank or tankless water heaters are compact and light, which makes them great for small homes that have less space.

What Is A Water Heater?

A boiler is often confused with a water heater. What is the difference between a boiler and a water heater? A water heater heats water to be used for showering, cooking, cleaning, or other purposes. The water heater heats cold water coming from the water supply pipe. It then gives you hot water ready to use for washing your clothes or running a faucet. Water heaters use water that's suitable for cleaning and cooking (potable). A boiler, on the other hand is designed to heat your home and heat water from the taps.

How Do You Drain A Water Heater?

First, drain the hot water heater by flushing it with water at full pressure. After connecting the drain line, open the drain valve and close it again. The valve will dislodge any sediment, allowing the system to drain faster.
Then, disconnect your water heater from either the electric or gas power supply and shut down the main water supply. Next, disconnect the drain hose from the quick flush and open the drain valve. Once you let air in the tank, water will not flow out. You will need to remove the hot water pipe from the top of the water heater, and then move the pipe to the side. You will see the tank begin to drain.

What Are The Signs Your Hot Water Heater Is Going Out?

A failing water heater can be identified by a series of telltale symptoms, such as banging sounds inside the tank and a decrease in temperature.

How Often Should I Replace My Water Heater?

According to professionals, your water heater should be replaced every 10 years. A water heater cannot be guaranteed for this long. It is possible that your water heater will need to be replaced sooner than expected.

Can You Still Shower If Your Water Heater Is Leaking?

You can still take a hot shower even if your water heater is leaking. You can shower even if the leak becomes severe. It will just mean that you won't get hot water.

The list of high efficiency water heaters is updated frequently to approach the latest information. Please check our website to get any changes and additions usually.

Would you like to be given practical support about high efficiency water heaters of 2022? Our customer service department is always here to assist you. Please contact us as soon as possible whenever you need.


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About Sherry Peterson

Sherry Peterson
Sherry Peterson is an editor for Sanford. She has a passion for home gadgets and beautiful design and loves to share her finds with others. Sherry has been working in the publishing industry for over 10 years and is excited to bring her expertise to Sanford's readers.

Read Sherry's full bio