davedavies.ca

Website:http://www.davedavies.ca
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Definitions (33)

1

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ventilator


A system that exchanges stale, recirculated indoor air with fresh, filtered outside air.
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variable speed motor


Automatically adjusts the control of heat airflow for ultimate comfort.
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upflow


A type of furnace that draws cool air from the bottom and blows the warm air out the top into the ductwork. Designed for basement or closet installations.
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two-stage operation


Provides two levels of heat output for greater temperature control.
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split system


A combination heat pump or air conditioner with indoor components, such as a furnace or blower coil. Split systems should be matched for optimal efficiency.
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single package


A heating and cooling system contained in one outdoor unit.
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seer


The Seasonal Energy Efficiency Ratio is an energy efficiency rating for air conditioners. The higher the SEER, the better the energy performance, the more you save. The DOE’s established minimum SEER rating for cooling is 10.00.
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micron


A unit of measure equal to one millionth of a meter, or one thousandth of a millimeter.
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merv rating


The MERV (Minimum Efficiency Reporting Value) rating of a filter describes the size of the holes in the filter that allow air to pass through. The higher the MERV rating, the smaller the holes in the filter, the higher the efficiency.
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hvac


Heating, Ventilation and Air Conditioning.
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