The 3 things I learned when I had my foundation repaired that shocked me: slab movement can pinch ducts

https://blogfreely.net/morvetgbfq/h1-b-3-things-you-should-know-before-calling-for-foundation-repairs-a-4c11

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.