What Is Manual S for Hvac

ACCA Manual S provides specific procedures for selecting HVAC equipment against a set of Manual J loads and design conditions. Manual S uses OEM data and specifies how large or small the selected HVAC equipment capacity can be when compared to the Manual J load calculation.

What is manual S?

ACCA Manual S provides specific procedures for selecting HVAC equipment against a set of Manual J loads and design conditions. Manual S uses OEM data and specifies how large or small the selected HVAC equipment capacity can be when compared to the Manual J load calculation.

What is the difference between Manual J and Manual S?

Next, Manual S is used to match equipment with the specific conditions in your home. The Manual J results are compared to characteristics like static pressure, amount of air moved and capacity to ensure the equipment chosen is sized correctly.