Oil-fired water heaters typically come with integrated oil tanks that need to be refilled regularly. Heating oil is burned within the unit, creating heat that is applied to the water tank. More » Home & Garden Appliances

Boston Heating Supply has a selection of Thermo-Dynamics brand oil-fired pool heaters. The prices range from about $3,500 to $5,000, depending on the model, as of March 2015. Five models are available from the website. More » Home & Garden Outdoor Pools & Hot Tubs

An indirect-fired water heater utilizes a house's heating system to heat drinking water stored inside a tank. The hot-water tank is connected to a heater or boiler via a heat-exchange coil. Inside the coil is fluid that ... More » Home & Garden Appliances
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Tankless water heaters heat water on demand, eliminating the storage tank. They reduce the energy consumption required to maintain the temperature of large volumes of water. The flow of water through the unit causes it t... More » Home & Garden Appliances

Tankless water heaters are water heating systems that heat water as necessary instead of continuously heating water stored in a tank. When cold water enters the tankless hot-water heater, the device uses a heat exchange ... More » Home & Garden Appliances

Whirlpool water heaters include an owner's manual, but customers can also find an owner's manual for their water heaters online at Customers can visit the website directly, or click the link at... More » Home & Garden Appliances

Electric water heaters use electricity to heat water. They do this primarily by way of an immersion heating element that can heat the water to a temperature adjustable by the user. More » Home & Garden Appliances