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What is HVAC and Why Is HVAC Maintenance Important?

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  HVAC refers to the different systems used for moving air between indoor and outdoor areas, along with heating and cooling in both residential and commercial buildings. They are the systems that keep you warm and cozy in the winter and feel cool and fresh in the summer. They also are the systems that filter and clean indoor air to keep you healthy and maintain humidity levels at optimal comfort levels. Each component in your home may be separate, such as a radiant system combined with window air conditioning units. However, it is more common for combined systems such as central heating and AC systems that use a single blower to circulate air via internal ducts in a home, or with a ductless system for different rooms or zones in the house. HVAC stands for heating, ventilation, and air conditioning. In computing and especially in enterprise data centers, HVAC systems control the ambient environment (temperature, humidity, airflow, and air filtering) and must be planned for and operated