HVAC Cooling Load (Sum of Components)
Total sensible + latent cooling load - sum of solar gain, transmission, infiltration, occupants, lighting, equipment, fresh-air make-up.
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Formula, assumptions, and limits
| Symbol | Meaning | Unit |
|---|---|---|
| Solar gain via glazing | kW | |
| Wall / deckhead conduction | kW | |
| Air leakage | kW | |
| Occupant sensible + latent | kW | |
| Margin factor |
Source: ASHRAE Handbook - Fundamentals Ch.18
In short
Total sensible + latent cooling load - sum of solar gain, transmission, infiltration, occupants, lighting, equipment, fresh-air make-up.