HVAC & Services Understand a concept
Sensible load versus latent load, and why the split decides the equipment
Separating the heat you feel from the moisture you remove, and why a humid climate shifts the balance sharply.
Engineering discipline
HVAC & Building Services
Cooling and heating loads, air distribution, ventilation and the services that condition a space.
6 topics in this discipline
HVAC & Services Calculate a value
Getting a first-pass cooling load before running a full block load
A screening calculation from envelope U-values and internal gains, and the margin it still needs.
Also: Civil & Structural
HVAC & Services Calculate a value
Choosing duct size from airflow and a velocity you can live with
Turning airflow and a velocity budget into a standard duct size, and the rectangular equivalent that fits the ceiling void.
HVAC & Services Calculate a value
Working out the static pressure a fan has to overcome
Velocity, friction factor and pressure drop per 100 ft, and what that means for the fan duty to specify.
Also: Mechanical & Fluids
Civil & Structural Understand a concept
Knowing when a calculation is not a design
The difference between a screening number and a compliant design, and where professional review genuinely has to enter.
Also: Geotechnical Electrical HVAC & Services Mechanical & Fluids Plumbing & Fire
Civil & Structural Understand a concept
The unit mistakes that ruin engineering calculations
The conversions and dimension slips that produce plausible-looking but wrong answers, and how to catch them.
Also: Geotechnical Electrical Mechanical & Fluids HVAC & Services Plumbing & Fire Water & Desalination Environmental Renewable Energy Chemical & Process