How do I calculate KVA and KW to fill out this load sheet ?
kW = Volts x Amps x power factor / 1000 for single phase and Volts x Amps x power factor x square root of 3 / 1000 for three phase.

kVA is the same except without multiplying by power factor.

For everything except motors, assume that power factor = 1 and kVA = kW.

HVAC and refrigeration would be primarily motor loads.

For items that have watts listed in the description or marked on the product assume kW = kVA. For items that only have current given, calculate the kVA and leave the kW blank.