Posts by Jonathan Mousdell
ASHRAE 183: The Industry Standard for HVAC Load Calculations
Learn what ASHRAE Standard 183 requires for HVAC load calculations and what engineering design software needs to produce compliant, audit-ready results.
Read MoreHow to Calculate Air Changes Per Hour
Learn the ACH formula, how to calculate air changes per hour from airflow and room volume, and typical values by room type.
Read MoreCFM Calculation Formula: 4 Ways to Calculate Required Airflow
Four CFM calculation formulas for ventilation, cooling load, and duct sizing, with a fully worked example.
Read MoreHow to Read a Psychrometric Chart (Without Losing Your Mind)
This psychrometric chart guide breaks down every property, process, and worked example in plain English.
Read MoreLatent Heat vs. Sensible Heat: What Every Mechanical Engineer Needs to Know
Find out how to differentiate latent heat vs. sensible heat and work them into real projects.
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