Tankless Heaters | NaturalGasEfficiency.org

Tankless Heaters

Water Heaters – Continuous / Tankless


Tankless or Continuous water heaters have no storage tank. They heat water on demand. Because there is no storage tank, there are no standby-losses from the tank. Both gas and electric units are available in a ever growing range of sizes, manufacturers and trade names. These units have a substantially higher first cost than tank models, but can generate a savings through increased heating efficiency and reduced standby losses. They have become a popular choice in many residential applications, but can also be a savings measure for certain commercial and industrial process applications.

Industrial processes that require a relatively small supply of hot water may benefit from the use of a tankless water heater, depending on the existing source of hot water. A supply of hot water, at the source, when it is needed can reduce system losses improve operational function over systems that use convertors or long piping systems.

How They Work

From the Tanklesswaterheaters.com web site:


The Paloma PH24M is the largest tankless water heater of its type in the world. Superb for commercial and industrial use as well as large residential homes. Just one Paloma PH24M supplies all the hot water you need in your home for shower, bath, dishwasher, laundry, etc.

Turn on your hot water faucet and water is heated instantly as it flows through the heating coils. Paloma’s burners shut off automatically as soon as you turn off the faucet. The Paloma modulating control automatically adjusts the flame to the water flow you select. Paloma tankless water heaters produce hot water only when and as much as you need. That’s why you can save energy and money.

Wall-mounted Paloma tankless water heaters are built to perform efficiently with very little maintenance. First class materials include a copper heat exchanger and combustion chamber, brass controls, stainless steel burners, and a hard baked porcelain exterior. Palomas are easy to service and all parts are easy to replace.

Save dramatically on your current water heating bill. Storage-type hot water heaters lose heat all day long (and all night too!). They consume more energy than any other job in the home except space heating. Paloma tankless gas water heaters heat only the water you need as you’re using it. You never store hot water again. You never wait for water to heat up again. You never run out of hot water!

Paloma is the largest gas appliance manufacturer in the world. As a Japanese, privately owned company they are committed to quality manufacturing. Their quality control is excellent. Each and every water heater is tested thoroughly with gas and water connections.

Paloma is the parent company of Raypack, Rheem, and Ruud all quality brands made in the USA.





Low Energy Systems, Inc.
2916 S. Fox Street
Englewood, CO 80110
Telephone: 303-781-9437

Go to their web site at www.tanklesswaterheaters.com



WaterHtr_TakagiTakagi USA

Corporate Headquarters
3-B Goodyear
Irvine, CA 92618
Telephone: 888-882-5244

Go to their web site www.takagi.com










Rheem / Ruud








Go to their web site www.rinnai.us








Navien America Inc.WaterHeater_Tankless_Navien

17855 Fitch Ave.
Irvine CA 92614
Telephone: 800-519-8794

Web site: www.NavienAmerica.com

Navien is the first with a condensing tankless water heater that claims efficiencies over 90%.

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