System Design & Sizing
Understanding HVAC Efficiency Ratings: SEER2, AFUE, HSPF2, COP
HVAC efficiency ratings determine how much useful heating or cooling a system delivers for every unit of energy it consumes. These ratings…
HVAC ENCYCLOPEDIA
In-depth articles on every HVAC system, component, and concept. Browse by topic or search below.
System Design & Sizing
HVAC System Types: Split, Packaged, Mini-Split, and Geothermal
HVAC stands for Heating, Ventilation, and Air Conditioning, and it encompasses the systems responsible for thermal comfort and indoor air quality in…
Cooling & Refrigeration
The Refrigeration Cycle: A Visual Explanation
What Is the Refrigeration Cycle? The refrigeration cycle is the fundamental thermodynamic process that makes air conditioning, refrigeration, and heat pumps possible.…
Cooling & Refrigeration
How Air Conditioners Work: The Complete Guide
Air conditioning is the process of removing heat and moisture from indoor air to maintain a comfortable environment. It does not create…