HVAC Complete Study Guide Review 2026
airflow the distribution or movement of air.
indoor part of an air conditioner that moves cooled or
air handler heated air throughout the ductwork of your home. Usually
a furnace or blower coil.
BTU British thermal unit. Unit of heat energy.
system in which air is treated at a central location and
central air conditioning system distributed to and from rooms by one or more fans and
a series of ducts.
the part of the outdoor air conditioner or heat pump that
compressor compresses and pumps refrigerant to meet household
cooling requirements.
outdoor portion of an air conditioner or heat pump that
condenser coil either releases or collects heat, depending on the time of
the year.
the method by which air is channeled from the furnace or
ductwork
the blower coil throughout your home.
an electronic device that filters out large particles and
electronic air cleaner
bioaerosols in indoor environments.
a label attached to HVAC systems that meet or exceed the
energy star
EPA guidelines for energy eflciency.
the part of the air conditioner that is located inside the
evaporator coil air handler. primary function is to absorb the heat and
humidity from the air in your house.
a type of furnace, installed on its side, which draws in air
horizontal flow from one side, heats it and sends the warm air out the
other side. Ideal for attic and crawl space installations.
an automatic device used to maintain humidity at a fixed
humidistat
or adjustable set point.
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airflow the distribution or movement of air.
indoor part of an air conditioner that moves cooled or
air handler heated air throughout the ductwork of your home. Usually
a furnace or blower coil.
BTU British thermal unit. Unit of heat energy.
system in which air is treated at a central location and
central air conditioning system distributed to and from rooms by one or more fans and
a series of ducts.
the part of the outdoor air conditioner or heat pump that
compressor compresses and pumps refrigerant to meet household
cooling requirements.
outdoor portion of an air conditioner or heat pump that
condenser coil either releases or collects heat, depending on the time of
the year.
the method by which air is channeled from the furnace or
ductwork
the blower coil throughout your home.
an electronic device that filters out large particles and
electronic air cleaner
bioaerosols in indoor environments.
a label attached to HVAC systems that meet or exceed the
energy star
EPA guidelines for energy eflciency.
the part of the air conditioner that is located inside the
evaporator coil air handler. primary function is to absorb the heat and
humidity from the air in your house.
a type of furnace, installed on its side, which draws in air
horizontal flow from one side, heats it and sends the warm air out the
other side. Ideal for attic and crawl space installations.
an automatic device used to maintain humidity at a fixed
humidistat
or adjustable set point.
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