With stepbystep examples, Manual J7 shows you how to calculate the heating and cooling loads of singlefamily detached homes, mobile homes, condos, townhouses, and apartment buildings. I. Heat Loss of a Structure 9 II. Heat Loss Calculations 11 III. Example Problem - Heat Loss Calculations 21 IV. Heat Gain of a Structure 27 V. Heat Gain Calculations 29 VI. Example Problem - Heat Gain Calculations 35 VII. Basic Principles 43 A1 Mobile Home Load Calculations 95 A2 Residential Multi-Zone Heating & Cooling Calculations 97 A3 Multi-Family Structures 103 A4 Energy Consumption and Operating Cost 105 A5 Detailed Infiltration Estimate 115