The 3 things I learned when I had my foundation repaired that shocked me: slab movement can pinch ducts
https://telegra.ph/5-Red-Flags-When-to-Call-a-Structure-Repair-Work-Expert-Near-Me-05-07
The 3 things I learned when I had my foundation repaired that shocked me: slab movement can pinch ducts, HVAC balancing after lift is smart, and filter dust loads spike.