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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Second opinion] - how do I know what mu furnace cfm is, I am

Customer Question

Second opinion] - how do I know what mu furnace cfm is
JA: Did you check the furnace's filters?
Customer: I am trying to figure what I need for duct sizes and from what I gather I need to know what the furnace puts out
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: the furnace is 80000 BTU with 73000 net
Submitted: 7 months ago.
Category: HVAC
Expert:  airheatman replied 7 months ago.

I will need model on the unit as there are many variables.One 80K may provide up to 1600 cfms while another only 1120 cfms.

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