The HVAC (Heating, Ventilation, and Air Conditioning) system is a critical component of any home or business. It is responsible for providing a comfortable environment by regulating the temperature, humidity, and air quality. HVAC systems are designed to keep the air inside a building at a comfortable temperature and humidity level, while also providing ventilation to remove stale air and pollutants. The most common type of HVAC system is a split system, which consists of an outdoor unit and an indoor unit. The outdoor unit is responsible for cooling and heating the air, while the indoor unit is responsible for distributing the air throughout the building. In addition to regulating temperature and humidity, HVAC systems also provide air filtration to remove dust, pollen, and other airborne particles. By providing a comfortable environment and air quality, HVAC systems are essential for maintaining a healthy and safe environment.