Sources

What does the airflow measurement decide?

• Consortium for Energy Efficiency, Duct Retrofit Decision Guide (2024)
  https://cee1.org/images/pdf/CEE_Duct_Retrofit_Decision_Guide_TRC_01.16.24.pdf
• NREL ResStock documentation, heat pump upgrades (existing duct airflow ÷ 400 CFM per ton)
  https://resstock.readthedocs.io/en/2025_release_1/advanced_tutorial/heat_pump_upgrades.html
• NEEP, Guide to Installing Air-Source Heat Pumps in Cold Climates
  https://neep.org/sites/default/files/Installing%20Air-Source%20Heat%20Pumps%20in%20Cold%20Climates.pdf
• Energy Vanguard, Will a Heat Pump Work With Your Existing Ducts?
  https://www.energyvanguard.com/blog/will-a-heat-pump-work-with-your-existing-ducts/
• Florida Solar Energy Center, Impact of Evaporator Coil Air Flow in Residential AC Systems (1997)
  https://publications.energyresearch.ucf.edu//wp-content/uploads/2018/06/FSEC-PF-321-97.pdf
• Fine Homebuilding, Furnace to Heat Pump Retrofit
  https://www.finehomebuilding.com/2024/03/06/furnace-to-heat-pump-retrofit

Back to the answer · Answer Library · Design & Analytics