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How is central air installed?

Published in HVAC Installation 2 mins read

Central air conditioning installation involves a multi-step process focused on setting up both indoor and outdoor units and connecting them for efficient cooling. The installation process from the reference can be summarized as:

Central Air Installation Steps:

Step Description
1. Unit Placement Technicians position the indoor and outdoor units in their designated locations.
2. Connection Refrigerant lines and ductwork are used to connect the indoor and outdoor units. This ensures proper airflow and heat exchange between the two units.

Detailed Explanation:

The central air system is installed by connecting an outdoor unit with an indoor unit.

  • Outdoor Unit Placement: This unit typically contains the compressor, condenser coil, and fan. It's placed outside, often on a concrete pad or a bracket mounted to the exterior wall.
  • Indoor Unit Placement: This unit, usually an air handler, contains the evaporator coil and blower. It's generally located inside the house, often in a closet, attic, or basement.
  • Refrigerant Lines Connection: Insulated copper tubing, called refrigerant lines, are run between the indoor and outdoor units to carry the refrigerant.
  • Ductwork Connection: The indoor unit is connected to the existing ductwork (or new ducts are installed), which distributes cool air throughout the home.

Key Considerations:

  • Professional Installation: The installation process usually requires skilled technicians, as proper handling of refrigerant and electrical connections is crucial.
  • Sizing: Selecting the correct size of the central air system for a particular space is essential to achieve optimal cooling and energy efficiency.
  • Proper Sealing: Ensuring all connections in the refrigerant lines and ductwork are properly sealed is vital to prevent leaks and maintain system performance.