Why is it essential to provide a load calculation before retrofitting a new heating and cooling system in an older house? To make sure the right size systems get installed, use Manual S. To design the ...

Manual J 8th Edition is the national ANSI-recognized standard for producing HVAC equipment sizing loads for single-family detached homes, small multi-unit structures, condominiums, town houses, and ...

What is a load calculation? A load calc determines just how much heating and cooling is needed for a specific house or building. It takes the guesswork out of sizing HVAC equipment. Its methods have ...