
Calculations Guide to Manual J, S, T, and D
For HVAC systems to be properly designed, they need to adhere to ACCA’s technical manuals: J, S, T, and D. Discover what they are, how to they are used, and how to calculate for them.
For HVAC systems to be properly designed, they need to adhere to ACCA’s technical manuals: J, S, T, and D. Discover what they are, how to they are used, and how to calculate for them.
Manual J, from the ACCA, is the Residential Load Calculation for HVAC systems in small indoor environments. Learn more about Manual J, its customer benefits, and how to complete Manual J Calculations.
HVAC pros, get ready to offer your expertise and services in installing qualifying heat pumps and helping your customers save money! This blog explains the IRA tax credits, what they mean for the homeowners you serve, which heat pumps qualify and which don't, and what it all means for you.