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  1. HVAC
    My new manufactured home is in a noisy area. Leaving my windows open, as I have always done for fresh air, means I'm woken up earlier than I want. My brother is an HVAC engineer and suggests modifying the ducting under the floor with some sort of diverter and valve. Sounds difficult and...
  2. HVAC
    Please help me make a list of all the ways to do this: I want to control a damper on my system based on pressure in ductwork. Simple "on" and "off" is fine if the trigger pressure is adjustable. Background: A 2-stage AC system, where I want to consider a fresh air vent to the return plenum...
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