Constant-air-volume systems can deliver different levels of heating or cooling:
A) By blocking registers in rooms that are not being used.
B) By varying the speed of the constant-volume blower.
C) By reheating the cool air with strip heat.
D) By using variable-air-volume mixing boxes.
D
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Indicate whether the statement is true or false
What part of a home most readily loses or gains interior heat?
A) The ceiling B) Exterior walls C) The floor D) Crawlspaces
While multisplit units are limited to a single outdoor unit, large VRF systems can combine as many as ________ outdoor units manifolded together to increase overall system capacity
A) two B) three C) five D) four
The easiest way to secure thermostat cable is to use a ____________________.
Fill in the blank(s) with the appropriate word(s).