Aug 9, 2007 · For load calculations they use the Manual J (either 7th edition or 8th edition (full or abridged). Thus you immediately have three different algorithms for “loads” being used by the …

Jul 9, 2022 · Greetings, I am trying to perform a Manual-J calculation to ensure that my replacement a/c unit and furnace are properly sized. I used the Cool Calc software and …

Aug 5, 2020 · Hi, I have a question about the results I have from a manual J calculation. The info about the house was input (room sizes, type of construction, insulation or lack there of, …

Mar 20, 2014 · I am attempting to perform a Manual J Load Calculation on a 1989 Fleetwood Double Wide Home. The home is 27 x 48 = 1296 square feet. I am fully aware that one of the …

Jan 15, 2015 · I am receiving conflicting answers about how to measure the room size for an ACCA Manual J calculation. Please help. Are we measuring from exterior wall to exterior wall, …

Nov 13, 2018 · When I was looking at doing an instruction presentation for the Manual J calculation speedsheet from ACCA, it mentioned that those speedsheet calcs were only valid …

Apr 29, 2013 · Hi, Everyone. Received my Manual J calculation and don't know 100% how to read and interpret it. I attached it. I currently have a carrier 52mcb100-16 single stage furnace and …

Jul 9, 2022 · Help with Manual J calculation Greetings, I am trying to perform a Manual-J calculation to ensure that my replacement a/c unit and furnace are properly sized. I used the …

HVAC-Talk: Heating, Air & Refrigeration Discussion

Jul 7, 2024 · I'm curious which would be more helpful: Paying for a manual-J calculation or just keep a journal of actual cycles of the current system? Thoughts? A/cs could run 80-90% of the …