Enjoy endless hot water with a tankless water heater from Navien, Bosch or State.

Tankless Water Heaters

Green Air Technologies offers the broadest array of tankless water heating systems in the greater Michigan City, IN. Gas hot water heaters are efficient and effective. You now have the choice of traditional or tankless hot water systems. We would like to provide you with some information to help in the decision making process of your new water heater system.


Armstrong Air Heat Pumps

Click the Navien, State & Bosch logo to learn about the tankless water heaters we install.


State, Navien & Bosch Condensing tankless water heaters are compact heating units that provide hot water as it is needed, and do not store hot water like traditional tank-type water heaters.

When a hot water tap is turned on, water enters the tankless water heater. A sensor detects the water flow, and activates a gas heating device, which quickly raises the water temperature to a preset level. When water flow stops, the heating device shuts off. Thermostatically-controlled tankless water heaters vary their output temperature according to water flow rate and inlet water temperature.

Unlike traditional storage tank water heaters, tankless water heaters do not store a reservoir of hot water. As a result, standby losses are reduced, which makes them an energy-efficient alternative to traditional water heating. When water flow is detected, they begin heating water, making them highly efficient and cost effective. When the demand for water ceases, they enter standby mode and use essentially no energy.

There will always be hot water. Endless hot water - for bathing, cooking, dishes, laundry, and all the other countless ways hot water enriches our lives.

Tankless water heaters consume a fraction of the space consumed by a tank heater. They can be mounted inside or outside.

Because tankless heaters do not store water, they are less subject to corrosion than tank-type heaters. As a result, their expected equipment life is longer - possibly more than 20 years, compared with 10 - 15 years for traditional heaters. Also, because they are not heating 40 - 50 gallons of water 24 hours a day, tankless water heaters are less susceptible to leakage than tank-type water heaters.

High-Efficiency & Heat Pump Tank Water Heaters

Green Air Technologies is your local water heating service expert! Call us when you are in need of water heater services!

There are 2 different kinds of tank water heaters: Conventional gas water heaters and Heat Pump water heaters.


State Tank Water heaters

Click the State logo to learn about the tank water heaters we install.

State Water Heaters


High-Efficiency Tank Water Heaters

Conventional storage water heater fuel sources include natural gas, propane, fuel oil, and electricity. All conventional water heaters store hot water 24 hours per day in a storage tank, typically ranging in volume from 20 to 120 gallons.

To minimize stand-by losses you should consider water heaters that offer higher levels of tank insulations. Often the lowest-priced storage water heater may be the most expensive to operate and maintain over its lifetime.

Due to the demand a modern tank water heater can supply it will seem like there is an endless supply hot water - for bathing, cooking, dishes, laundry, and all the other countless ways hot water enriches our lives. We carry a wide variety of gas tank water heaters. They are often the lowest installed cost choice for replacing an existing system.


Tank Heat Pump Water Heaters

Heat pump water heaters (HPWH) can be two to three times more energy efficient than conventional electric resistance water heaters.

HPWH use electricity to move heat from one place to another instead of generating heat directly. To move the heat, heat pumps work like a refrigerator in reverse.

While a refrigerator pulls heat from inside a box and dumps it into the surrounding room, a stand-alone air source water heater pulls heat from the surrounding air and dumps it - at a higher temperature - into a tank to heat water.

We carry stand-alone heat pump water heating systems from several manufacturers. They are all integrated units with a built-in water storage tank and backup resistance heating elements.

Heat pump water heaters should be installed in locations that remain in the 40°-90°F range year-round and provide at least 1,000 cubic feet of air space around the water heater. Cool exhaust air can be exhausted to the room or outdoors.

A great choice is to install them in spaces with excess heat, such as a furnace room. HPWH tend to cool the spaces they are in so you can benefit from free air conditioning in the summer as you are heating hot water.




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