The HVAC Knowledge Base

HVAC ENCYCLOPEDIA

In-depth articles on every HVAC system, component, and concept.

Diagram: Refrigerant Types: R-22, R-410A, R-454B, R-32 Compared
Encyclopedia

Refrigerant Types: R-22, R-410A, R-454B, R-32 Compared

Refrigerants are the working fluids that make air conditioning and heat pump systems possible. They absorb heat from indoor spaces and release it outdoors (or vice versa in heating mode) by cycling…

Diagram: The Refrigeration Cycle: A Visual Explanation
Encyclopedia

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. It does not create cold. Inste…

Diagram: How Air Conditioners Work: The Complete Guide
Encyclopedia

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 cold air. Instead, it transfers heat from inside a building to…