Organizational HVAC Needs Are Unique   All HVAC systems are designed for heating and cooling, but not all are created alike. There are significant differences between systems designed for homes and small businesses and the HVAC systems needed for large buildings and warehouses. Commercial and residential systems differ in location, size, and complexity. Not every air-conditioning and heating contractor has the staff or equipment to work on these intricate systems. With that in mind, South Florida company owners who need help with HVAC equipment often locate qualified professionals with an online search for “commercial HVAC contractors near me.”