Heating & Cooling
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Digital Thermostat
Controls the temperature in a room turning on or off the furnace or air-conditioner. Temperature is set electronically. A popular type is a...
Duct Fan
Boosts the flow of air from the central heating system to areas in a house that are hard to heat or cool. Overcomes the added resistance in...
Duct Insulation
Insulates ductwork to minimize heat loss and improve efficiency. Available either as self-stick vinyl foam with aluminum foil backing or in...
Electret Filter
More expensive than other types of filters, but also removes more particles than other types of filters. Also helps protect the heating and...
Electric Heater
Plugs directly into a wall unit. One type uses black heat, where heating elements have the heating wire wound around a porcelain...
Electronic Filter
Filters the entire home by installing in the duct system. Only operates when the furnace or AC blower is running. Typically must be installed...
Electrostatic Air Cleaner
Works best for whole-house filtration Filter used consists of shredded polypropylene fleece that has been given a permanent electric charge to...
Evaporative Cooler
Sometimes called a swamp cooler. Uses ice and cool water to cool and return moisture to the air. Ice and cool water is mounted on top of the...
Evaporative Humidifier
Uses a wick and high-volume air to return moisture to the air. The wick is a honeycomb arrangement of cellulose paper with a large surface...
Exhaust Fan
Used primarily to extract stale air from an attic, kitchen or bathroom. Kitchen fans are installed above the kitchen range or under the range...
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