What are HVAC systems?

HVAC refers to Heating, Ventilation, and Air conditioning. This system is designed to provide heating and cooling to the buildings. This system is implanted in almost every single-family home, submarines and commercial buildings, etc. HVAC use the outside air to improve the air quality inside the structure. As we know, ventilation is the process of exchanging air within a space. This is used to provide better air quality and also facilitate the removal of smoke, moisture, odors, heat, airborne bacteria, gases, etc. It also helps in controlling temperature and oxygen replenishment.