Best Tankless Water Heater Reviews 2016

Are you in search for the best tankless water heater? Heating water for various functions has currently become a basic need for each and every home. To serve this purpose individuals are currently using water heaters which vary across different models and prices. One of the most widely used and best water heaters are tankless water heaters. They’re high power water heaters that heat water instantly in a very efficient manner. They don’t retain water internally. The heater is supplied with flow sensors that activate it once water travels through them. The water circulates through a device and is warmed by gas or electricity. They’re coated with sturdy coatings to shield them from acidic environments.

Best 5 Tankless Water Heater Comparison Chart

  • Stiebel Eltron Tempra 24 Plus Electric Tankless Water Heater

  • Dimensions - 21.5 x 19.5 x 8.8 inches
  • Voltage - 208-240V
  • Digital temperature control
  • Rinnai RL75iN Natural Gas Tankless Water Heater

  • Dimensions - 14 x 9.3 x 23 inches
  • BTU-10,300 - 180,000
  • Thermal Efficiency-82%
  • Takagi T-KJr2-IN-LP Indoor Tankless Water Heater

  • Dimensions - 28 x 17 x 10.5 inches
  • BTU- 140,000
  • 6.6 GPM max flow rate
  • Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

  • Dimensions - 17 x 19 x 3.8 inches
  • Voltage - 240V
  • Self Modulating Technology & digital temperature control
  • Rheem RTG-64DVLN Prestige Tankless Natural Gas Water Heater

  • Dimensions - 14 x 10 x 26 inches
  • Natural Gas
  • Direct Vent Indoor

Top 5 Tankless Water Heater Reviews

In comparison with typical water heaters, the tankless heaters guarantee vital energy value savings. The tankless water heaters runs at a slow rate that’s by moving 2 to 5 gallons per minute. The advantages of some of the best rated bosch tankless water heaters are that they operate only when there’s a requirement for warm water that helps in reducing energy prices. They’re very much reliable additionally. If the unit is sized properly, they effortlessly deliver never-ending provide of water at predetermined temperature levels. These storage tank scores high in safety. Their safety is as a result of the actual fact that they solely operate once the hot water is needed. Heating water for various functions has currently become a basic need for each and every home. To serve this purpose individuals are currently using water heaters. These equipment are available completely different and vary in the selection within the market to serve essential functions.

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Stiebel Eltron Tempra 24 Plus Electric Tankless Whole House Water Heater

best tankless water heater reviews

Specifications are: Voltage: 240 Wattage: 24 Amperage: 2×50 Min. required circuit breaker size: double pole 2×60 Recommended wire size: 2 x 6 Maximum temp. increase: 92 Weight: 15.4 Width: 16 5/8 Height: 14 1/2 Depth: 4 5/8 Working pressure: 150 PSI.

This water heater can be easily compared with the top quality Noritz electric tankless water heater . The features are built with advanced technology for providing better service to the users. It has digital temperature control system which helps in keeping a check on the temperature of the water being used in an easy way. The basic advantage is that for such kind of heaters no venting is required which gives users a sigh of relief. The sleek design helps in solving space problem so it can be kept anywhere at a proper place. This whole house tankless water heater consumes very less power so it saves our money at this part which is very much beneficial. The major consideration for the buyer is to have an electrical service installed for it. Also, it can work at any range of temperature and provides unlimited hot water.

Stiebel Eltron Tempra 24 Plus Electric Tankless Whole House Water Heater


Rinnai RL75iN Natural Gas Tankless Water Heater, 7.5 Gallons Per Minute


This Rinnai tankless water heater is 58.4 pounds in weight and has dimensions of 14 x 9.3 x 23 inches. This set is ideal for two to three bathroom homes and can be the best tankless gas water heater available. It delivers up to 7.5 gallons of hot water per minute (GPM) and helps in saving  energy and money.

It is ideal for two- to three-bathroom homes which is a beneficial feature and could be used as the commercial tankless water heater. The R75LSi delivers up to 7.5 gallons of hot water per minute (GPM) while saving energy and money. It requires special Rinnai vent. It comes standard with MC-91-1 US digital controller with error code indicator. It’s thermal efficiency is 82% which is an advantageous feature of this product. Temperature variations are an important feature- Residential Temperature Settings: 98°F – 140°F and Commercial Temperature Settings: 98°F – 160°F. This model turns out to be the top model that has got advantageous features supported by superior technology. It offers great versatility in every field that is either residential or commercial. With a sleep and contemporary design that easily fits into the available space. You may read Rinnai tankless water heater reviews in detail on this site.

Rinnai RL75IN Natural Gas Tankless Water Heater, 7.5 Gallons Per Minute


Takagi T-KJr2-IN-LP Indoor Tankless Water Heater, Propane

Tankless  water heater reviews

Capacity of this propane tankless water heater is for 1 to 2 bathrooms and flow rate is maximum with 6.6 GPM. Gas Inputs are 19,500 to 140,000 BTU per hour. Energy Factor Rating are 0.83. Inlet Gas Pressure – Min: 8.0″ W.C. / Max 14.0″ W.C. It’s dimensions are 20.3″ H x 13.8″ W x 6.7″ D. It provides direct vent capability. It provides an electric ignition facility. Takagi heaters can give tough competition to the top heaters like best quality Navien tankless water heaters.

This is a smallest water heater in the Takagi tankless line. This product is of 38 pounds with product dimensions 28 x 17 x 10.5 inches. This is a powerful unit with gas inputs up to 140,000 BTU per hour – can meet all the hot-water needs of a small home or apartment with one or two bathrooms. This product is cost efficient and is environmentally friendly. This takagi tankless water heater can be converted into a direct-vent unit by using the optional TV10 conversion kit for installation in a confined space. The unit has four preset temperatures on the unit are: 113°F, 122°F, 131°F, 140°F. To achieve any temperatures other than those presets, we require the TK-RE02 temperature controller. So its temperature settings are very much versatile.

Takagi T-KJR2-IN-LP Indoor Tankless Water Heater, Propane


Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

Best tankless water heater

The ideal weight of the product is 17.4 pounds with product dimensions 17*19*3.8 inches with 240 volts technology and even no battery is required. This brand also provides a lifetime warranty for residential use.

This product is equipped with latest and advanced patented self-modulating technology. It is the largest electrical tankless water heater available. The  beneficial feature is that the incoming water temperatures can reach as low as 37 degrees F. A digital temperature control allows us to set temperature in increments of 1 degree so that we can set the temperature to how we like it. The ECO 36 is the most powerful model from the full line of tankless water heaters, with the capacity to handle a large single-family home. It saves up to 50% on our water heating costs with most advanced feasters. It is unto 90% smaller so space availability is not a problem. The feature is that the product is eco-friendly so it is safer to use.

Ecosmart ECO 36 36KW 240V Electric tankless Water Heater


Rheem RTG-64DVLN Prestige Low NOx Indoor Direct Vent Condensing Tankless Natural Gas Water Heater

reviews of tankless water heater

This product is designed for continuous hot water. It’s  specifications – 6.8 gal./min. at 35A-Degree F rise max. – 5.3 gal./min. at 45A-Degree F rise max. Best features: – New. 3-Inch/5-Inch Concentric Vent System with Integrated Condensate Collector.

It is 82% energy efficient with stainless steel condensing heat exchanger. It is equipped with intelligent electronic controls designed to increase energy efficiency and safety. The basic thing is that it is mostly used in industries. Hot start programming helps minimize fluctuation in water temperature, referred to as “cold water sandwich”, during periods of frequent on/off operation. So this top class Rheem tankless water heater provides reliability to the users by providing different temperature controls. It has a built-in electric blower. It is environmentally friendly with ultra low NOx burner. Also freeze protection is provided up to -30°F. Installation is quite easy with the use of the rheem service kit which has a port for pressure valve. The good thing is that the beginner can easily get the heater mounted by serving simplified manual.

Rheem RTG-64DVLN Prestige Low Nox Indoor Direct Vent Condensing Tankless Natural Gas Water Heater

What Is The Best Tankless Water Heater

Tankless water heaters are now used at every place such as homes or business because of the increasing demand of this product. Due to the availability of a variety of products in the market different factors are required while choosing the best tankless water heater. So one should have in-depth knowledge about some of the best tankless water heater brands available in the market.

There are an endless number of brands to choose from and each is slightly different from the other in addition to the cost of tankless water heater of different kinds and sorts. Some help in providing environment-friendly technology while others put their main focus on efficiency and power. So we should find a right brand matching our need.

Some of the points to be considered before buying a tankless water heater are-

  1. Temperature Considerations – To make sure of getting a right sized unit, we need to figure out how cold the average temperature of the water is in our area so that we can easily find a product for that particular temperature. When the average temperature of our area is cold then the more stronger water heater is required.
  2. Choosing A Proper Size– We should choose a proper size of the water heater to be used which is based on the requirement of a user. Many varieties are available in the market which provides water heaters with different capacities. So in this way a right model for our need can be chosen.
  1. Choosing Between The Source– If we live in a cold climate, we should use a natural gas or propane model as they are more powerful and efficient. If we live in a warm climate we should use an electric tankless heater. If we are using gas or propane model, we need to make sure that our area has readily proper venting facility.
  1. Decision Of The Maximum GPM – We need to make sure that we should never exceed the maximum gallons per minute {GPM} that our unit can produce. If there is a certain time of the day when a lot of water is being used then we need to evaluate the GPM for that time of day.
  1. Going Green – We should choose a model with the best quality which should not cause any harm to the environment. It should be eco-friendly. Some of the best brands which provide such products are eco-smart, eco temp etc.
  1. Looking Safety Details– We should look for a product which should provide proper safety by providing automatic sensors. These sensors detect harmful gases such as carbon monoxide which automatically shuts down the system.

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Benefits Of Tankless Water Heater

Hot water usage has become much more convenient and energy efficient because of increasing need of people. Best tankless hot water heaters deliver more consistent temperatures by using less energy. Tankless heaters provide hot water all at once and no preheating is required so they are very time-saving.

Benefits of Going Tankless-

  • EFFICIENCY – Tankless water heaters are efficient in both design and cost. Energy saving techniques are applied in these devices so it saves our money.
  • CONVENIENT – The tankless water heaters can be installed in small spaces such as closets and in crawl spaces. So space is a reliable feature. These devices send hot water to the needed sink, shower or dishwasher. The hot water is heated on demand, rather than stored, there is no limit to the amount of hot water that can be produced.
  • RELIABILITY – These water heaters feature very few problems. The problems of unexpected, short bursts of the cold water issue is solved through these machines. Conventional tanks can potentially flood and which could cost damages and repairs. The tankless heaters have a lifespan of about 20 years or more.
  • ECO-FRIENDLY – The water heaters use a little energy as possible and they do not even produce any harmful emissions. Also, they produce as little greenhouse gas emissions into the air as possible, with electric models producing none at all. Some specialize brands for eco-friendly machines such as eco-smart, eco temp etc are providing such benefits.
  • CLEAN AND SAFE – Tankless water heaters are the best because they don’t build up rust or scale. So we can use this water safely while cooking or washing. They are also equipped with tons of safety features that vary from brand to brand.
  • INSTALLATION FLEXIBILITY – Indoor and outdoor direct vent models are available in the market. Even costs of installation are low.
  • SAVE SPACE – Tankless hot water heaters take up significantly less space than traditional water heaters. They could also be mounted on walls either indoors or outdoors which is a very much beneficial feature.


With today’s rising costs of energy and environmental awareness in mind, different brands in the market has met and exceeded the expectations of home and business owners for new water heating solutions.  These products have gained great success by combining new technology and functionality in an innovative way to heat water. So finally they enhance our lifestyle, utilize technology and provide hot water at low costs. As these devices use energy to heat water so the basic fact about a good tankless water heater is no wastage of energy.


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