How to install a duct booster fan?
I am installing a booster fan in one of my duct lines. If I tie together it to the blower in my furnace, will the fan still turn on when the central AC turns on? How do I anchor to the blower in the furnace?
This is a bit artful. If you mean an in-line blower, then you need to know if it is intended to extend the furnace blower, in which case you can simply parallel the electrical link from the existing fan to the new fan. In this case, you will just be adding

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