The 3 things I learned when I had my foundation repaired that shocked me: slab movement can pinch ducts
https://marioqcqq013.quillnesty.com/posts/basement-waterproofing-near-me-and-foundation-repairs-3-things-to-consider-first-2
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.