How much airflow does tying an added room into an existing HVAC system pull from the home?

Derek ColeGM, Simmons One Hour Heating & Air · AI HVAC Answers

Transform Your Home Comfort: Tips for Adding a Room to Your HVAC System

6 Nov 2024 · 1 min

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0:32

Derek Cole explains what happens when you add a room to your existing HVAC system. Tying it in pulls 200 to 400 CFM from your home, which can make both the new room and the rest of your house less comfortable.

Questions this video answers

Approximately 200–400 CFM (cubic feet per minute).

Chapters

That room is probably a challenge to keep comfortable. And then it might also affect the whole home in the comfort because you're tapping into. You're tapping into a existing system so that room's not be comfortable. And then the whole home in turn, is not be comfortable because now you're, you know, putting, you know, 2 to 400 CFM of air that was once in the home to that extra room that you're adding onto us.