: Load contributions from occupants (sensible and latent), lighting (wattage per sq. ft.), and electrical appliances or equipment.
Do not trust default values blindly. Use the ASHRAE Handbook to find accurate U-values for your specific wall layers. A good sheet will have a lookup table for common assemblies. heat load calculation sheet xls
Use industry standards like Manual J or ISO methods. : Load contributions from occupants (sensible and latent),
The XLS format persists because:
