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.