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Endless Hot Water - 16 Best Tankless Water Heaters for Energy Efficiency and Convenience
2024-07-28
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Endless Hot Water - 16 Best Tankless Water Heaters for Energy Efficiency and Convenience

Welcome to our roundup of top Tankless Water Heaters in the market! If you're tired of waiting for hot water or dealing with the hassle of a traditional tank model, it's time to make the switch to a more efficient, space-saving option. From compact designs to powerful heating capabilities, our selection has got you covered as we guide you through the best tankless water heaters available today.

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Reviews

suburban-st-60-tankless-water-heat-1

The Suburban 5382A ST-60 tankless water heater offers an unlimited supply of hot water at a controlled temperature, saving energy with its efficient design. This black water heater comes with a wall-mount digital control center, allowing you to easily manage the temperature and usage.

Additionally, it includes scald protection features such as an internal high temperature kill switch and a child lock, ensuring safety for all users. With automatic flame out protection, freezing protection, and other safety measures built-in, this tankless water heater is a reliable and convenient choice for your RV or camping needs. However, some users have reported issues with delivery times and missing parts, so it's essential to be prepared for potential challenges when purchasing this product.

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The BLACK+DECKER Electric Tankless Hot Water Heaters offer endless hot water on demand without the worry of running out. Unlike traditional tank heaters, this state-of-the-art technology instantly reduces energy consumption and saves you money on costs by heating water when it's needed.

Designed for durability, the heater features stainless steel, non-corrosive, lead-free internal canisters and piping, ensuring its longevity. The 6.1 GPM model serves the entire house, providing a steady hot water supply even with multiple simultaneous uses, while saving up to 50% on water heating costs.

fogatti-rv-tankless-water-heater-2-9-gpm-gen-2-with-black-door-and-1

I recently got a chance to use the Fogatti RV Tankless Water Heater, and it has been a game-changer for my camping trips. The high altitude suitability mode makes it perfect for my Denver visits, and the staged combustion technology ensures my water temperature stays just right even in the summer.

This little heater has also become my go-to replacement for various RV water heaters. It's compatible with Suburban, Atwood, Girard, and Furrion models, making it incredibly versatile. The wide 13x13 inch opening and the door size of 15x15 inches make installation a breeze.

What I love the most about this Fogatti RV is its unending supply of hot water. With a powerful 55,000 BTU, it effortlessly produces 2.9 GPM of hot water, ensuring my RV never runs out of hot water. Tankless water heaters like this one are a dream come true for continuous showers for multiple people, saving you from waiting for hot water.

The Fogatti RV is not just practical, but it also saves you money and trouble. It comes with a built-in pressure relief valve and an intelligent remote controller, eliminating the need for additional purchases or installations.

Safety is yet another area where the Fogatti RV excels. It is CSA certified and comes with multiple protection features like a built-in forced exhaust fan, stable combustion, automatic gas shut-off for accidental flame failure, and anti-freeze protection.

Overall, the Fogatti RV Tankless Water Heater has made my camping trips more comfortable and hassle-free. It's a worthy investment for any RV lover.

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The Titan Tankless N-270 Water Heater is a game-changer for larger homes and those in colder climates. Replacing your entire home's hot water heater system, this innovative device saves an incredible amount of space as it's wall-mounted and about 80 times smaller than a traditional tank. Say goodbye to running out of hot water with this endless supply; it's perfect for homes with multiple showerheads, shower panels, body sprayers, and large Jacuzzis.

In colder climates, the N-270 model excels, providing endless hot water in temperatures as low as 55 F for up to two bathrooms. Its design caters to the growing trend of upgrading bathrooms with new technologies, such as body sprayers and multiple showerheads, which require more powerful tankless water heaters. Additionally, the greater capacity Titan models cater to the needs of those living in northern states where higher temperatures are necessary to heat water instantly.

This investment will pay for itself over time, making it a cost-effective solution for your home. With its easy installation and impressive performance, the Titan Tankless N-270 Water Heater has earned itself a well-deserved 5-star rating from its customers.

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I've recently given the EcoSmart Eco 11 Electric Tankless Water Heater a spin, and I must say - it's been amazing! The built-in Self Modulating technology makes for a smooth and dependable operation, allowing for consistent delivery of hot water that's ideal for any situation.

What truly stands out about this unit is its adaptability. In colder regions, it's capable of handling a single shower, while in warmer climates, it thrives in taking on multiple showers simultaneously. The Ecosmart interactive sizing guide is an incredibly helpful resource to assist you in determining if this particular model aligns perfectly with your circumstances.

As someone who appreciates simplicity, the straightforward installation of the Eco 11 Tankless Water Heater was a breeze, and the whole setup felt robust and well-structured. Another thing I noticed is its swift and efficient heating capabilities which are especially beneficial for those of us with fast-paced lives.

Although there are undeniably benefits to utilizing this tankless water heater, there are still a couple of drawbacks worth mentioning. One challenge I faced was the noise level - it's not excessively loud; nonetheless, it may become somewhat noticeable at peak usage times. Furthermore, I've picked up that it tends to consume a modest amount of energy, so be prepared to experience an increase in your electricity bill if you plan on using it regularly.

In conclusion, the EcoSmart Eco 11 Electric Tankless Water Heater is an excellent pick for individuals in search of a practical and efficient way to heat their water. With its distinctive features and user-friendly nature, it would undoubtedly be an asset to any household.

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The Rheem RTEX-36 36kW Tankless Electric Water Heater has been my trusty companion for the past few months, and it has not failed me yet. The external digital thermostatic control with the LED display is a game-changer, offering precision that is unmatched by traditional water heaters. I've also appreciated the most advanced self-modulation feature, which allows the unit to adjust power according to hot water demand.

One of the most important aspects of this water heater is the durable construction. With copper immersion heating elements and a brass top, it's built to withstand the test of time. Additionally, the simple installation process has made my life a whole lot easier, especially considering the 1/2 inchNPT or 3/4 inchNPT water connections at the bottom.

While this water heater has certainly made my life more convenient, it's not without its quirks. For example, when first starting up, the water temperature can fluctuate wildly, which can be quite jarring. Furthermore, the display has been known to alternate between the set point and an error code, which can be frustrating to troubleshoot.

Overall, I would say that this water heater has been a mostly positive experience. The advanced features, robust construction, and simple installation make it a worthy investment. However, potential buyers should be aware of the occasional fluctuations in water temperature and the somewhat enigmatic error codes that appear on the display.

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The Rinnai RU180iN Natural Gas Tankless Water Heater is the perfect blend of efficiency and reliability. I was blown away by the 180,000 BTU output, easily providing enough hot water for my family. The 10.5 WC voltage and 2.6 maximum flow rate made sure that there was never a shortage of hot water.

What really stands out about this product is the energy savings. With its smart technology and minimal energy waste, I found myself spending significantly less on utility bills. The easy installation process and quiet operation were also major pluses.

However, there was one minor issue I encountered. The installation manual could have provided a bit more guidance on the gas line capacity, which was a potential challenge for me. Overall, the Rinnai RU180iN Tankless Water Heater proved to be a smart investment, both in terms of savings and satisfaction.

rheem-retex-13-kw-self-modulating-2-54-gpm-tankless-electric-water-heater-1

Introducing the powerful and compact Rheem RETEX-13 Tankless Water Heater. This innovative heating system can be powered by either corded electric or battery, making it perfect for various residential applications. Its sleek design saves space, fitting conveniently under sinks and cabinets. The adjustable thermostat and variable temperature features are easily accessible through a digital display, while the water temperature range can be set from 80°F to 140°F.

One of the most noteworthy features of this water heater is its energy efficiency. By heating water only when it's required, it can save up to 50% on your water heating costs compared to traditional systems. Its small size also means less energy consumption, resulting in significant savings on utility bills.

However, as with any appliance, there are a few drawbacks to consider. While it's perfect for point-of-use applications, it may not be as efficient when used for larger households. Additionally, the installation process could be more complex for some users, requiring assistance from a qualified electrician.

Overall, the Rheem RETEX-13 Tankless Water Heater is a reliable and space-saving solution for those looking to reduce both their environmental footprint and energy bills. Its user-friendly design, combined with energy-efficient features, make it a top choice for those seeking a high-quality tankless water heater.

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The EZ 101, a compact portable water heater, provides hot water on-the-go effortlessly. In my recent experience, using it during an outdoor excursion, it proved to be an indispensable companion. It's quick to install, taking under 15 minutes, and once operational, it operates fully automatically. With its simple water temperature regulation feature and integrated shower hose, the EZ 101 offers hassle-free convenience.

One notable feature I appreciated was the low water pressure ignition, ensuring stress-free hot showers as some tankless water heaters can be finicky about water pressure. The continuous hot water supply was another outstanding attribute, particularly during camping trips with a group, who all desired a invigorating hot shower after a tiring day of sightseeing.

On the downside, I found the unit's size to be slightly limiting, making it unsuitable for my RV shower. Additionally, care must be exercised to prevent freezing, as frozen water could damage the internal valves.

In conclusion, the EZ 101 is a reliable, efficient, portable water heater designed for effortless outdoor usage. However, be mindful of its size and susceptibility to freezing.

tankless-gas-water-heater-5l-1-32-gpm-thermomate-1

I recently had the chance to use the Thermomate 5L Tankless Gas Water Heater, and my experience with it has been nothing short of impressive. From the moment I started using it, I couldn't help but notice how the innovative combustion technology made it safer and more energy-efficient than other water heaters I've tried in the past. It's amazing how such a small device can offer endless hot water with just a flick of a switch.

One of the most notable features that stood out to me is its magnetic water flow sensor, which allows it to work at low water pressure. This is especially helpful for those living in water-shortage areas, as it ensures a stable water flow with minimal usage. It might be small, but it can certainly make a huge difference.

However, the one downside I found is that the installation process could have been made a bit easier. The manual water temperature controls don't seem very user-friendly, and I struggled a little bit at first. Despite this minor setback, the compact, space-saving design and exquisite look of the Thermomate make it perfect for outdoor use.

All in all, I'm really glad I got the chance to use this Tankless Gas Water Heater. It's a solid choice for anyone who needs a reliable, energy-efficient, and space-saving water heater for their campsite, cabin, RV, or outdoor garden. With the right installation, this little guy can make your life a whole lot easier.

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Meet the Mizudo Comfortech Classic CS100W, a top-notch residential natural gas tankless water heater designed for your comfort and convenience. It boasts an impressive 4.3 GPM hot water flow rate, ensuring quick and efficient delivery without overheating or sandwiched water temperature. The unit is outfitted with an oxygen-free copper water tank, which significantly reduces heat loss and enhances durability for extended life.

One of the main advantages of going tankless is the continuous availability of hot water for up to 2-3 water points. Users also enjoy energy and cost savings by only heating water when needed, as opposed to constantly maintaining stored water in a tank. With its sleek design, the Mizudo Comfortech Classic CS100W also takes up less space in your home and offers a more compact alternative to traditional heating systems.

While the product is easy to install and offers numerous benefits, potential users should be aware of a minor issue: residual water on the unit or package might be present but doesn't impact the unit's functionality. Additionally, it's crucial to keep error codes in mind and consult the manual for troubleshooting. Should you encounter any issues, customer service is available through Mizudo or your local installer.

Overall, the Mizudo Comfortech Classic CS100W tankless water heater stands out for its versatility, energy savings, and user-friendly design.

rheem-performance-platinum-9-9-gpm-natural-gas-high-efficiency-indoor-recirculating-tankless-water-h-1

This Rheem Tankless Water Heater is designed to provide instant hot water and unwavering performance. With built-in recirculation, it eliminates the need for long wait times at the tap while contributing to overall water and energy efficiency.

Its compatibility with Schedule 40 PVC venting and ability to be converted for outdoor installation with the Outdoor Conversion Kit make it versatile for most homes. Users have reported issues with the recirculating line and temperature sensor location, but overall, it provides consistent hot water and minimal installation costs.

black-decker-27-kw-5-3-gpm-electric-tankless-water-heater-1

In my quest for an energy-efficient water heater, I came across the Black & Decker 27 KW 5.3 GPM Electric Tankless Water Heater. This compact powerhouse has been a game-changer in my household.

One of the standout features of this product is its water-saving capabilities. It heats water on demand, eliminating the need for a constantly running tank. This not only reduces my energy consumption but also saves me money on electric bills.

The stainless steel, non-corrosive, and lead-free internal canisters and piping have been a breath of fresh air. Not only do they look sleek, but they also provide peace of mind knowing the product is built to last.

However, I did experience minor installation challenges. As a first-time installer, I found it a bit confusing to follow the manual's instructions. But, with the help of a professional, it was up and running in no time.

Overall, I highly recommend the Black & Decker 27 KW 5.3 GPM Electric Tankless Water Heater to anyone in the market for an energy-saving, eco-friendly water heater. It's a reliable, efficient investment for your home.

rheem-rtg-95dvln-1-natural-gas-indoor-tankless-water-heater-1

The Rheem RTG-95DVLN-1 is an efficient natural gas tankless water heater, perfect for heating water on demand. With a next-generation burner technology and a flow rate of up to 9.5GPM at 35 degree/s F, it can easily supply hot water to multiple showers simultaneously. The built-in electric blower ensures that the exhaust gas is vented outside to prevent the bathroom from getting too hot. The low Nox burner meets SCAQMD rule 1146 requirements and has a 0.26GPM minimum flow rate and a 0.4GPM minimum activation flow rate. However, a high altitude chip is required for installation above 3280'.

The Rheem RTG-95DVLN-1 is designed to provide continuous hot water for up to 3 bathrooms at the same time. Its direct-vent design requires category III stainless steel venting, which needs to be purchased separately. This heater exceeds the requirements for many utility rebate programs, and it is compact, perfect for small spaces. The model can be used at elevations up to 9,840 ft above sea level. The digital thermostat can be installed in any convenient area of the house, making it easy to control the temperature of the hot water.

Overall, the Rheem RTG-95DVLN-1 is an excellent tankless water heater that can provide hot water on demand without wasting energy. Its compact design and efficient burner technology make it a great choice for any household that needs reliable and consistent hot water. With proper installation and maintenance, this heater can last for years, providing endless hot water for showers, laundry, and dishwasher.

bosch-greentherm-t9900-se-160-gas-tankless-water-heater-1

As a user of the Bosch Greentherm T9900 SE 160 Gas Tankless Water Heater, I can confirm that it was a game-changer for my daily water needs. The 160,000 BTU Condensing Tankless Water Heater was installed professionally by a licensed plumber, ensuring its efficient performance. One of its standout features was the recirculating pump and flush valves, which made obtaining hot water a breeze.

The built-in high-resolution color LDC interface, auto-tuning, and Wi-Fi options were designed for ease of use, allowing me to control the temperature and water flow effortlessly. The tankless water heater has a long lifespan, with Bosch's quality engineering promising a durable unit that can last up to 15 years with proper maintenance.

However, there were a few downsides to this product. It must be installed professionally, which can add to the cost if you don't already have a trusted plumber. Additionally, the unit is somewhat large, with a depth of 9.8125 inches, height of 31.5 inches, and width of 18.5625 inches, which may be a concern for those with limited space.

Overall, the Bosch Greentherm T9900 SE 160 Gas Tankless Water Heater has provided me with endless hot water on demand, along with energy-saving performance and temperature stability. While it's not without its drawbacks, it has been a reliable and convenient addition to my home.

eccotemp-fvi12-ng-indoor-natural-gas-tankless-water-heater-1

The Eccotemp FVI12-NG is a sleek and modern natural gas tankless water heater designed for small to medium-sized hot water production in residential settings. Its true 1/2 inch NPT fittings provide a secure connection for better performance, and the power ventilation ensures safety and efficiency in operation. Boasting fully independent gas and water controls, users can adjust the temperature display to their desired settings.

The digital temperature display is a handy addition, offering easy-to-read information about the water temperature. While it may lack some of the advanced features found in more expensive models, the FVI12-NG serves its purpose in providing hot water for small to medium-sized homes.

Buyer's Guide

When it comes to selecting the right tankless water heater, there are several factors to consider. These include energy efficiency, price, capacity, and availability of maintenance services. This comprehensive guide outlines the key features and considerations to help you make an informed decision when purchasing a tankless water heater.

Energy Efficiency

One of the most important factors to consider when choosing a tankless water heater is its energy efficiency. Look for models with high energy factor (EF) ratings, which indicate how efficiently the heater uses energy to provide hot water. A higher EF rating means that the heater will consume less energy, saving you money on utility bills over time.

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Size and Installation Space

Tankless water heaters are generally smaller and more compact than traditional storage tanks. However, they still require adequate space for installation. Make sure the heater you choose will fit comfortably in the designated installation location. Additionally, consider the proximity of the water heater to outdoor or indoor appliances that may require hot water.

Water Flow Rates

Another critical aspect of tankless water heaters is their ability to provide sufficient hot water for your household's needs. Check the water flow rates of the models you are considering to determine whether they can meet your family's demand for hot water. If you have multiple bathrooms or plan to use multiple hot water appliances simultaneously, opt for a heater with a higher water flow rate.

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Maintenance and Warranty

A well-maintained tankless water heater can last for many years. Make sure the heater you choose comes with a reputable warranty and is backed by reliable customer support. Research the brand's track record in terms of repairs, replacements, and customer satisfaction. Additionally, consider the availability of local maintenance services to ensure timely repairs should any issues arise.

FAQ

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What is a tankless water heater?

A tankless water heater, also known as an on-demand water heater, is a type of water heater that heats water directly without the use of a storage tank. Instead, it uses gas or electricity to heat the water as it flows through the unit, providing a constant supply of hot water whenever you need it. Tankless water heaters are known for their energy efficiency, compact size, and longevity, making them a popular choice for homeowners and businesses.

Compared to traditional tank-style water heaters, tankless models do not store hot water, which means they do not suffer from standby heat loss. This results in lower energy bills and reduced greenhouse gas emissions. Additionally, because the unit only produces hot water when needed, there is no risk of running out of hot water, which can be a common issue with tank-style water heaters.

What are the benefits of using a tankless water heater?

There are several benefits to using a tankless water heater, including increased energy efficiency, better hot water delivery, and a compact design. The elimination of a storage tank also means that the unit takes up less space in your home or business compared to a traditional tank-style water heater.

Tankless water heaters can provide an endless supply of hot water, as long as there is a sufficient gas or electric supply. This is because the water is heated as it flows through the unit, rather than being stored in a tank. As a result, tankless water heaters can help you save energy by not constantly heating stored water. Furthermore, because there is no need for a large storage tank, tankless water heaters can be installed in smaller spaces, making them ideal for homes and businesses with limited space.

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How does a tankless water heater work?

A tankless water heater works by heating water as it flows through the unit. This is accomplished using either gas or electric burners. When a tap is turned on, cold water flows through the unit, which then heats the water using gas or electric heaters. The hot water is then delivered to the tap or showerhead, providing an endless supply of hot water as long as the gas or electric supply is sufficient.

The temperature of the water is controlled using an electronic sensor, which adjusts the gas or electric output to maintain a consistent temperature. This ensures that the hot water is always available and provides the best user experience for those using the water heater. Additionally, because the water flow is constant, there is no risk of the stored water cooling down and turning cold like in traditional tank-style water heaters.

How much does a tankless water heater cost?

The cost of a tankless water heater can vary depending on the model, capacity, and fuel type. Generally, however, tankless water heaters can cost between $700-$1,500 or more for a high-end unit. This is more expensive than a traditional tank-style water heater, which can cost between $300-$800. However, the higher initial cost of a tankless water heater is often offset by its long lifespan and energy efficiency.

It is essential to consider the total cost of ownership when comparing the prices of tankless and tank-style water heaters. A tankless water heater will typically last between 15-20 years, while a tank-style water heater may only last 10-15 years. Additionally, a tankless water heater can save you up to 30% on your energy bills, which can significantly reduce the cost of ownership over time.

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What is the lifespan of a tankless water heater?

A well-maintained tankless water heater can last between 15-20 years, which is significantly longer than a traditional tank-style water heater, which usually lasts 10-15 years. The lifespan of a tankless water heater is influenced by several factors, such as regular maintenance, water quality, and usage patterns.

To ensure the longevity of your tankless water heater, it is essential to perform regular maintenance, including cleaning the heat exchanger and replacing any worn-out parts as needed. Additionally, using a water treatment system can help prevent mineral buildup, which can reduce the lifespan of your water heater. Finally, proper installation and using the correct water flow rate can help extend the life of your tankless water heater.

What are the maintenance requirements for a tankless water heater?

To ensure the optimal performance and longevity of a tankless water heater, regular maintenance is essential. Some of the common maintenance tasks include cleaning the heat exchanger, checking for leaks, and replacing worn-out parts. The frequency of maintenance tasks will depend on the model and usage of the water heater.

Cleaning the heat exchanger is an essential task that should be performed every 6-12 months, depending on the water quality and usage. This involves draining the water heater and using a descaling solution to remove mineral buildup from the heat exchanger. Additionally, checking for leaks and tightening any loose connections is essential to prevent damage to the unit and ensure its longevity. Finally, replacing worn-out parts such as the anode rod, which is designed to protect the tank from corrosion, should be done as needed.

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