Showing Posts From
Duct design
- 28 Jun, 2026
Manual D HVAC: Duct Design Guide
Manual D HVAC guide — ACCA Manual D duct design, wrightsoft manual d workflow, hvac manual d calculation steps, friction rate, and duct sizing vs Manual J.
- 20 Jun, 2026
Dew Point and HVAC: Why It Matters in Duct Design
What dew point is, why ducts sweat and grow mold when surfaces drop below it, the comfort thresholds that feel muggy, and how insulation and vapor barriers prevent condensation.