I'm planning to have a Honeywell dual zone system nstalled in a two-
story 2400 sq ft home. Their will be a thermostat on each floor.
I've read that a bypass duct isn't required in this type of
installation. Is this correct?
I recall seeing an episode of "Ask This Old House" where not having a
bypass duct was the cause of some overpresure issues. Unfortunately,
I don't recall the size of the home or the number of zones.
Thanking you in advance,