HVAC, an acronym for Heating, Ventilation, and Air Conditioning, plays an essential role in maintaining comfortable and healthy indoor environments. Whether in residential homes, commercial buildings, or industrial spaces, HVAC systems regulate temperature, improve air quality, and ensure proper ventilation. At its core, an HVAC system combines three critical functions. Heating provides warmth during cold weather, typically through furnaces or heat pumps. Ventilation involves exchanging indoo...