What is a load or sizing calculation?
A load calculation can come in many forms: a whole house calculation or Manual J, a duct sizing calculation or Manual D, or a commercial space calculation or Manual N, and so on. The purpose of a load calculation is to take into account not only the square footage of a space but also many other factors. Some of the main factors are • The R-values of the insulation in the walls, floors, and ceilings. • The size of the windows, which way they face, the amount of panes, and what materials they are constructed from. • The appliances or equipment giving off heat. • The amount of people in the space. • The volume of the home. • The air exchange rate. For a sample load calculation pdf click here. At Quality Climate Control we know from being connected to Trane dealers world wide that it is only a matter of time before Colorado, like many other states already are doing, will be required to run load calculations in order to obtain permits for installation. To bridge that gap to the future, prov