Term
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Definition
| Continuous spillage of combustion gases from a combustion appliance. |
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Definition
| A damper, installed near a fan, that allows air to flow in only one direction. |
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Term
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Definition
| Polyethylene foam rope used as a backer for caulking. |
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Definition
| A plate or strip designed to retard or redirect the flow of flue gases. |
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Term
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Definition
| The minimum outdoor temperature at which no heating is needed. |
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Definition
| A coil of wire or electronic device that provides a high starting voltage for a lamp and limits the current from flowing through it. |
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Definition
| The outermost joist around the perimeter of the floor framing. |
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Definition
| A narrow blanket of fiberglass insulation, often 14.5 or 22.5 inches wide. |
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Definition
| A strong horizontal building support used to carry the weight of a floor or roof |
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Term
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Definition
| A metal spring, lever, or disc made of two dissimilar metals that expand and contract at different rates as the temperature around them changes. This movement operates a switch in the control circuit of a heating or cooling device. |
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Term
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Definition
| Draining water from a boiler, evaporative cooler, water heater, etc. to remove sediment and suspended particulates. |
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Term
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Definition
| The squirrel-cage fan in a furnace or air handler. |
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Term
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Definition
| A device that consists of a fan, a removable panel, and gauges used to measure and locate air leaks. |
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Definition
| A duct section that connects between a duct and a register |
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Term
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Definition
| An electrical circuit used to power outlets and lights within a home. |
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Term
Brightness
aka
Luminance
aka
Luminous Intensity |
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Definition
| The intensity of sensation resulting from viewing a lit surface. Measured in footlamberts. |
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Term
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Definition
British Thermal Unit
The quantity of heat required to raise the temperature of one pound of water one degree Farenheit. |
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Term
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Definition
| British Thermal Units per Hour |
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Term
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Definition
| The spaces inside walls, floors, and ceilings between the interior and exterior sheeting. |
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Term
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Definition
| Branch of science dealing with construction, maintenance, safety, and energy efficiency of buildings. |
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Term
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Definition
Building Tightness Limit
aka
Minimum Ventilation Guideline
aka
Minimum Ventilation Level
The measured blower door air-leakage value below which mechanical ventilation is necessary. |
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Term
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Definition
| A device that facilitates the burning of a fossil fuel like gas or oil. |
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