Glossary (2)
Explaining Sound Transmission Class
The sound transmission class (STC) is an integer rating for measuring and classifying how well a building wall or structure controls or reduces sound.
Explaining BAS HVAC
BAS HVAC refers to the systems necessary for connecting your HVAC system to your wider building automation system (BAS). Specific BAS HVAC components...
What is AHU?
‘AHU’ is short for ‘air handling unit.’ It is a system that warms-up, cools, filters, and/or humidifies as well as circulates air in your home or...
Explaining Inches of Water Column (Inch WC)
Inches of water column (inch WC) is a measurement unit for measuring static pressure. It’s a key metric for determining how much resistance air must...
What is Stratified Air?
Stratified air -- also known as thermal stratification -- occurs when cool, dense air sinks while the warm and thin air rises.
What are Diffuser Grilles?
Diffuser grilles are the outer frames you can use to enclose your variable air volume (VAV) or air supply diffusers.
Explaining Environmental Controls
An environmental control device is an instrument that equips the end-user to control the area’s heating and cooling. This can be at the macro-level...
What is a Supply Diffuser?
In HVAC systems, the air supply diffuser is a device that delivers and ventilates conditioned air in an area, mixes indoor air, and manages air...