These are the top five best Tankless Water Heaters on the market, chosen from Dozens of models.
- Savings of up to 50% on water heating costs
- Digital temperature control in 1-degree increments allows control of hot water
- Copper and stainless components designed for efficiency, durability and easy replacement
- Compact size saves valuable storage space, while the stylish and advanced design is pleasing to the eye
- Prior to purchase & installation, please verify that this model will function with your electrical capacity. Electrical requirements: 27 kW, 240 volts, Single phase, 3 x 40 required breakers, 112.5 maximum power draw (Amps), 3 x 8 AWG required wire.
The Ecosmart ECO 27 electric tankless water heater, with its compact, space-saving size, is a powerful model that ensures you will not run out of hot water even in colder climates. This product is ranked highly in tankless water heater reviews and is built for efficiency and durability with its copper and stainless components. The parts are also easy to replace, making this design a convenient addition to any household.
With its smart, self-modulating technology, this large electric tankless water heater is configured for climates with extremely low incoming water temperatures. This model works best with a high demand of hot water between multiple applications and is suited for climates in the United States. If you live in a large single-family home that is rather busy, start adjusting your energy usage on a need-basis with this great find.
The Takagi T-KJr2-IN-NG, with its non-condensing gas fired design and space-saving compact design, is the best tankless gas water heater on this list. This model is the smallest unit in the Takagi lineup and is perfect for light residential use, like in small apartment units. With its Energy Star certification and frustration-free guarantee, alongside its safety features, the Takagi T-KJr2-IN-NG is a useful addition to your residence.
This unit is small yet powerful and can adequately cover the hot water needs for a small American home or apartment with one or two bathrooms. The Takagi T-KJr2-IN-NG can do the same job as a water heater with a tank, and it is wall-mounted for added convenience. This domestic hot water system can support support hydronic baseboard and radiant floor heating applications, making it the perfect contribution to your household.
The Stiebel Eltron Tempra 24 Plus, with its sleek design and upgraded heavy-duty electronics, is one of the best electric tankless water heaters you can get. As one of the most advanced tankless water heaters on the market today, it boasts digital temperature controls and no venting required. The Stiebel Eltron Tempra 24 Plus has been redesigned inside and out, so it is complete with the latest features and accessories to give you hot water you can depend on.
This reliable model ranks highly in electric tankless water heater reviews with its simple single flow sensor design and hinged cover for easy access. As a leader in tankless water heating technology, the innovation and quality behind this product sets it above the rest and replaces your conventional tank in an easy, convenient way. The Stiebel Eltron Tempra 24 Plus will meet all of your hot water needs, so reduce your electric bill and save energy by giving this product a try.
- 94-Percent Energy efficient with stainless-steel condensing heat exchanger
- Intelligent electronic controls designed to increase energy efficiency and safety
- Third party efficiency listed by AHRI
- Up to 38-Feet of 3-Inch PVC Pipe or 5-Feet of 2-Inch PVC Pipe
- Low Nox Version
The Rheem RTGH-95DVLP tankless water heater, with its stainless-steel condensing heat exchanger and low NOx emissions, is the best bang for your buck. This high-end, affordable product both meets and exceeds industry standards to ensure that you are investing in a high-quality tankless water heater you can rely on. With its two-pipe direct vent system, which is designed for PVC pipe, and built-in electric blower, this tankless water heater is a great find for the money.
Rheem represents the highest quality in tankless water heater manufacturing, so the RTGH-95DVLP is perfect for anyone seeking a product he or she can count on without spending a fortune. You can connect two tankless units to operate as one through a link cable with this convenient design, and this model also works well in elevation up to 8,400 ft. above sea level. Find your ideal propane tankless water heater with the Rheem RTGH-95DVLP and start saving money today.
The Rinnai RUC98iN Ultra Series is the best tankless hot water heater on the market today. It supplies heated water whenever you need it, and you can use this product for multiple tasks at the same time, so you never have to worry about running out of hot water during a busy day. This product allows for greater energy savings with an endless supply of hot water, so it is hands down our top pick for best tankless water heater.
This top-rated tankless water heater comes with two heat exhangers to maximize heating value and deliver more energy efficiency. You can have comfort and convenience while saving money with this reliable, durable design, whose innovative technology reduces the need for maintenance. Enjoy the ENERGY STAR® certification and venting flexibility that make this tankless water heater a top-of-the-line product for your needs.
Tankless Water Heaters Buyer’s Guide
There’s a lot of technical terms being thrown around in these reviews, so it may benefit you to brush up on some of the features to look for when purchasing the best tankless water heater for your needs. Here’s a quick breakdown of some terms you’ll often see and how they relate to your best tankless water heater experience.
Energy Factor Rating: The higher the EF, the more energy efficient the unit is, so look for EF ratings as close to 1 as possible.
Flow Rate: The flow rate is the gallons-per-minute rating that lets you know how much hot water the heater can deliver over a set period of time.
Inlet Temperature: The inlet temperature is important to consider when choosing a tankless water heater, as the temperature of incoming water temperature will vary by region and season. A water heater in the North, for example, will require a higher BTU input to heat and provide water with a certain temperature than one in the South, so make sure to take this fact into account when choosing your tankless water heater.
Keep these terms in mind when comparing prices and features to find the Best Tankless Water Heater!