A boot in a duct system is a fitting used ____.
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The sun shining on the panels and coils of the condensing se…
The sun shining on the panels and coils of the condensing section will lower the efficiency of the unit.
An auxiliary drain pan under the unit is recommended when th…
An auxiliary drain pan under the unit is recommended when the evaporator is installed ____.
The main drawback of the extended plenum system is that the…
The main drawback of the extended plenum system is that the velocity of the air is lower as the air reaches the last takeoffs on the extended plenum.
When hanging a horizontal air handler, it should be pitched…
When hanging a horizontal air handler, it should be pitched toward the drain port for proper condensate removal.
What fastener is commonly used with round flexible duct?
What fastener is commonly used with round flexible duct?
The forced-air system is different from a natural-draft syst…
The forced-air system is different from a natural-draft system, where the air passes naturally over the conditioning equipment.
Adjusting the tension on the belt will alter the rate at whi…
Adjusting the tension on the belt will alter the rate at which air is moving through the system but does not affect the amperage draw of the motor.
Airflow pressure in ductwork is measured in inches of ____.
Airflow pressure in ductwork is measured in inches of ____.
Duct systems can be plenum, extended plenum, reducing plenum…
Duct systems can be plenum, extended plenum, reducing plenum, or perimeter loop.