FALL BUZZ WORDS

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AFUE- – A measurement used to rate furnace efficiencies by dividing the ratio of heat

output by heat input.

BURNER – The device that facilitates the combustion of air and gas

CFM – Cubic feet per minute. A measurement of airflow volume

DAMPER – Found at the exit point of ductwork, this plate usually contains grates that can

be opened or closed to control the air flow.
DOWNFLOW FURNACE – A furnace with an intake on the top & an air discharge at the bottom

DUCTWORK – A network of metal, fiberboard or flexible material flowing throughout a space which delivers air from and HVAC unit to the respective zones of a home or office

FLUE – A vent that remove the byproducts of combustion from a furnace.
HEAT EXCHANGER – A device through which heat is transferred to a cold area or surface.
HUMIDIFIERL – A device that adds humidity, or moisture, to the air

HUMIDISTAT – The device that measures humidity & turns the humidifier on & off.

IGNITION – Elevating the temperature of a substance to the point of causing a combustion reaction.

UPFLOW FURNACE – A furnace that pulls in air from the bottom & releases it through the top.

ZONING – A system that divides a home, office or space into different regions in order to better control the temperature & effectiveness of a heating & cooling system

FLAT COIL – A condenser coil that has the fins bent over flat from strong winds, hail or something hitting it repeatedly.

FINS – A fine metal that dissipates the heat off of the copper refrigeration coils in the condenser.

FIN COMB – A tool designed to straighten damage fins on condenser coils.

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