CalcRig
· CalcRig Team
Manual J Heat Load Calculation: HVAC Sizing Guide for Technicians
How to calculate heating and cooling loads using Manual J — the ACCA standard method. Covers the inputs, the math, and why rule-of-thumb sizing fails.
Tag: HVAC
- · CalcRig Team
Duct Sizing for HVAC: The ASHRAE Equal Friction Method Explained
How to size supply and return ducts correctly using the equal friction method — the ASHRAE standard approach used by HVAC professionals.