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Heat load

Heat Load & Cooling Load Calculation: How It Works

Heat Load & Cooling Load Calculation: How It Works

How an HVAC load calculation works — the heat-loss formula Q = U × A × ΔT, the sensible and latent parts of a cooling load, a worked residential example, and how to convert load to tonnage.

What Is Manual J? Heat & Cooling Load Calculation Explained

What Is Manual J? Heat & Cooling Load Calculation Explained

Manual J is the ACCA standard for calculating a home's heating and cooling load. What it is, the inputs it uses, how heat load and cooling load are calculated, and why it beats rules of thumb.