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What to Expect From a Professional A/C Installation

In order for your air conditioner to handle the San Diego and Rancho Bernardo area’s summer heat efficiently, it must be installed correctly. Professional A/C installation by a skilled technician is done in a way that ensures your system reaches top efficiency.

Accurate sizing: An undersized air conditioner can’t meet your demand for cooling on the hottest days. To avoid this situation, some careless technicians deliberately oversize their systems, which causes temperature swings, humidity problems and excess component wear. A competent HVAC technician uses the Air Conditioning Contractors of America’s (ACCA’s) Manual J to accurately size every system they install. This requires collecting detailed information about the house, such as the number and size of the windows.

Improving your ductwork: Ducts that aren’t properly air sealed leak conditioned air and uninsulated ducts waste energy. Both these problems compromise your whole cooling system’s efficiency. Before your system is installed, your technician will inspect your ducts. If necessary, the technician will use mastic or metal-backed tape to seal the duct joints and add duct wrap or other duct insulation. Your technician might also make upgrade recommendations, such as reconstructing parts of the duct system to reduce sharp corners that slow airflow.

Assessing the airflow: Your air conditioner was manufactured for a specific rate of airflow. Too little airflow means you won’t get enough cool air and your system will run less efficiently. Insufficient airflow can also cause your evaporator coil to freeze, which can damage the evaporator and the compressor. With too much airflow, however, you could end up with temperature swings. After a professional A/C installation, your technician will measure for the correct airflow.

Measuring the refrigerant charge: Both a high and low refrigerant charge can impair your system’s efficiency. Low refrigerant will limit the system’s cooling capacity. Too much can lead to refrigerant entering the moving parts of your compressor, possibly destroying this component. For this reason, your technician will test the refrigerant charge after the system is installed.

For more information on professional A/C installation, check out Sherlock Heating & Air.