Closing vents to balance temperature on a two story, single zone condo

We recently bought a small (< 1500 sq ft) two story condo and we’re finding that the upstairs is much warmer than the downstairs, which seems to be the bane of the single zone system.

source: Click for more

from A/C Repair | A/C Tune up | YBDHC http://ift.tt/2153v60 via HVAC