HVAC Rough-In
- HVAC rough-in occurs before electrical and plumbing. [https://www.langbeenbuilders.com/hvac-rough-in-1-1#:~:text=At%20the%20HVAC%20rough%2Din,attic%2C%20crawlspace%2C%20or%20basement.
- This page was last edited on 16 July 2022, at 02:15.
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