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| Indirect water heater
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A type of water heater that circulates water through a heat exchanger in a boiler. The heated water then flows into an insulated storage tank. |
| Individual appliance circuit
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Heavy-duty use circuits, which may range from 20 amps to 50 amps and are used for single appliances such as water heaters, clothes dryers, dishwashers, etc. |
| Individual outside corner cap
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Possible alternative to outside corner post when installing 8" horizontal siding. Maintains continuity of siding courses in traditional clapboard style. |
| Individual retirement account (ira)
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Tax-deferred savings account used to accrue funds for retirement. |
| Individual vent
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Vent servicing only one plumbing fixture, separate from the others, in a drainage system. |
| Indoor air quality (iaq)
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Characteristics of the indoor climate of a building, including the gaseous composition, temperature, relative humidity, and airborne contaminant levels. |
| Indoor coils
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Refrigerant containing portion of a fan coil unit similar to a car radiator, typically made of several rows of copper tubing with aluminum fins. A homes comfort system consist of two components. |
| Indoor unit
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This is usually located inside the house and contains the indoor coil, fan, motor, and filtering device, sometimes called the air handler. |
| Indoor/outdoor carpet
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Carpet designed to be used outdoors. |
| Induced current
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Electric current which originates in a conductor by use of a fluctuating magnetic field around the conductor. |
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