Anonymous wrote:Used to live in TX and at a certain point you either live in a ranch house or admit that no amount of hvac zones can cool an upstairs once it’s past 100, especially if you’re in an older house retrofitted for air or a big house with illogical duct runs or high ceilings.
I live in a 2018 house that was built cheap and crappy, and my upstairs hvac had no issues yesterday. So it must be about code for insulation and such? The upstairs HVAC is in an unheated attic. But it worked fine.