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| Heat rate
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A number that tells how efficient a fuel-burning power plant is. The heat rate equals the BTU content of the fuel input divided by the kilowatt-hours of power output. |
| Heat recovery ventilator
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This device bring fresh, outside air into a home while simultaneously exhausting stale indoor air outside. In the process of doing this, an HRV removes heat from the exhaust air and transfer it to the incoming air, pre-heating it. This allows for the reclamation of much of the energy that otherwise would simply be vented outside. The end result. |
| Heat register
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The grilled opening into a room by which the amount of warm air from a furnace can be directed or controlled; may include a damper. |
| Heat sink
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Often used in electronics where it is necessary to keep heat from sensitive circuit parts during soldering, this metal shape has good heat conductivity to draw heat away from an area. |
| Heat source
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A body of air or liquid from which heat is collected. In an air source heat pump, the air outside the house is used as the heat source during the heating cycle. |
| Heat storage
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A device or media that absorbs heat for storage for later use. |
| Heat storage capacity
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The amount of heat that a material can absorb and store. |
| Heat transfer
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Heat movement from one object, one place or fluid to another. |
| Heat transfer fluid
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A gas or liquid used to move heat energy from one place to another; a refrigerant. |
| Heat transmission coefficient
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Any coefficient used to calculate heat transmission by conduction, convection, or radiation through materials or structures. |
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