commercial HVAC 2

https://hvactechniciansspark.evercolumn.com/posts/what-homeowners-should-know-before-hiring-hvac-technicians

Commercial HVAC systems are the massive heating, cooling, and ventilation setups found in office buildings, malls, and hospitals. They use rooftop units, chillers, and complex ductwork to keep large spaces comfortable and safe. These systems also manage fresh air intake, filtration, and humidity control, which is critical for indoor air quality and energy efficiency. Unlike residential units, commercial HVAC requires zoning, advanced controls, and regular maintenance from specialized technician…