The best tankless water heaters for all your personal and commercial usages

 Bosch Tronic 3000 Electric Mini Tank HeaterAtmor 3kw/110v Single Sink HeaterTempra 12 kW Electric HeaterIR260 Infrared Electric Water HeaterECO 27 Electric Tankless Heater
Brand Bosch ThermotechnologyAtmorStiebel EltronSioGreenEcoSmart
Tank Volume2.5 Gallon0.5 GPM1.3-2.5 GPM1.7-2.1 GPM3-6 GPM
Product Dimensions 13.75 W x 13.75 H x 10.75 D11.9 x 8.7 x 4.2 inches14.3 x 12.8 x 4.4 inches3.6 x 17 x 17 inches
Electrical Requirements12A / 120V3kW/110V12 kW, 240 Amp30A/6kW/240v240 V
Temperature Range65-145°F86°F - 140°F80°F - 140°F80°F - 140°F
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Tankless water heaters, also known as instantaneous or demand type heaters have made business and personal needs easier by securing space, energy and a whole of lifecycle savings. These heaters run on gas and electricity and provide for various end uses and are suitable for most commercial settings with high water demands. And if your business survives on hot water, you need an infinite hot water supply and cannot simply afford any kind of down time. Tankless technology makes sure that such situations are out of the way.

best tankless water heaters

Before purchasing a demand heater, you would need to gauge your requirements and select one considering the size, costs, energy efficiency and fuel type as well as its availability. With proper installation and subsequent maintenance, you can even optimize the energy efficiency of these heaters. Check the following tankless water heater reviews of the best ones in the industry and make your pick.

Bosch Tronic 3000 Electric Mini Tank Heater

Bosch Tronic 3000 Electric Mini Tank Heater

The electric mini tanks from Bosch are available in three varieties, with compact heaters that can be easily floor mounted or hanged on walls. Its sleek and appealing design allows it to seamlessly blend in with your existing décor. Also, you can put it inside any cabinet space or under the sink for convenient usage by simply tapping into cold water line. Be it for your garage, basement wet bar, in an RV, attic or garage, hot water comes in really handy with the Bosch Tronic Electric Mini Tank Heater.

Available in 2.5, 4 and 7-gallon point of use tanks, you have the liberty to pick one that meets your requirements. Simply plug the tank into a 120 V outlet and enjoy hot water exactly where you need it. Its fast recovery rate allows you to continuously collect water without having to wait up for long periods. For high energy efficiency, the tank is equipped with thick CFC free foam insulation and is glass lined providing maximum durability. Offering a 6-year warranty period on the inner tank and a 2-year warranty on its other components, it’s the best you can hope for.

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Atmor 3kw/110v Single Sink Heater

Atmor 3kw110v Single Sink Heater

The compact tankless electric water heater from Atmor brings you a convenient solution for all your hot water problems and also guarantees savings of up to 30% of your energy consumption. Suitable for all commercial and residential applications, install the unit near point of use with a 30 Ampere single phase dedicated breaker. It is designed specifically for single sink usage and the maximum possible temperature rise is 45 degrees Fahrenheit.

Atmor provides for endless supply of hot water when properly sized. The flow rate into the unit needs to be controlled for a consistent temperature rise and desired temperature outflow. Also with the unit, there is a Pressure Relief Device included which needs to be connected on the inlet cold connection.

Tempra 12 kW Electric Heater

Tempra 12 kW Electric Heater

Tempra Electric Water Heaters is one of the best tankless water heaters and are world leaders in the arena, continuing to pioneer this industry with constant energy savings and advanced technology. The Advanced Flow Control feature in this electric water heater automatically maintains the temperature of hot water. Several other premium features like energy saving with auto modulation, solid copper heating chambers and digital temperature display make for its unique offerings.

IR260 Infrared Electric Water Heater

IR260 Infrared Electric Water Heater

Infrared hot water heaters create heat with quartz tube infrared energy, thereby eliminating direct contact with metal and thus avoiding corrosion. The coil-less technology minimizes the accumulation of algae and bacteria in water, while also preventing limescale deposits. Absence of heating elements in the unit rules out the need for routine flushing and timely maintenance.

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The IR260 water heater operates manually in four power levels and the current can be adjusted between 10 and 30 amps to yield power of 1.5kW to 6kW. The water flow regulator controls the temperature rise which is constantly monitored by the Thermocouple and displayed on the screen. The space saving design of the POU ensures that you can easily fit the heater in small cabinets, utility rooms, kitchens or bathrooms. Ideal for well water as well as hard water areas, the heater consumes only optimum power for heating required water, leaving behind no surplus leftover of hot water.

Recommended best tankless water heater:

ECO 27 Electric Tankless Heater

ECO 27 Electric Tankless Heater

Enjoy up to 50% savings on your water heating costs with ECO 27 tankless heater designed for durability, efficiency and easy replacement. The digital temperature control that allows for one-degree increments enable easy control of temperature. The copper and stainless design in a compact unit comes in a stylish look and advanced technology that even meets your electrical requirements and hot water needs.

The Eco 27 is the best tankless water heater comes in with a self-modulating technology that is ideal for low temperature incoming water supply. The unit can heat up to 3 gallons of water per minute, at temperatures as low as 37°F. Without running out of water supply, the heater is designed to easily handle two showers running simultaneously.

The electric tankless heater finds usage in multiple applications in southern United States homes where they can produce up to 6 gallons of hot water per minute, thereby allowing you to run four showers simultaneously along with a sink. Be it cold climates or requirement for higher flow rates, the smart Eco 27 has been configured to cater to it all. The model is specifically suited for homes in Canada, southern and northern US with greater water usage needs. Save energy, money and space by correctly picking your size and enjoy a lifetime warranty with replaceable elements.

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