A properly installed air conditioning system can provide years of comfort and energy efficiency. However, in an industry where many companies cut corners on their work, it’s important to know what a thorough installation process should look like.
A full installation includes a detailed review of your existing home systems and a careful consideration of the best locations for new duct runs, coolant lines and wiring. Proper installation also ensures that the blower, evaporator coil and thermostat are positioned for optimal performance. Professional installation teams carefully fabricate and custom-fit metal ductwork, as well as make sure all connections between components are tight and secure. This helps to reduce future service calls and maintain optimum comfort levels.
Before beginning any work, an expert technician should inspect the window in which the unit will be placed. If the window is old, damaged or prone to leaks, it should be repaired and/or sealed before installing the air conditioner. This also helps to keep energy costs down.
If the installer determines that a new window or a different placement would be more advantageous, they should explain to you what the advantages are and any additional costs involved. They should also explain whether other household systems might be affected by the installation, such as water heating or electrical wiring for Hydro-air systems. Finally, they should explain if any circuit breakers will need to be turned off or shut down during the installation, and for how long.
In most cases, the installation of a new air conditioner includes a new thermostat. The installer will connect the new thermostat to the air conditioner, if necessary, or simply confirm that the old one is working properly. They will test the operation of the new system and show you how to use the thermostat.
Next, the installer will disconnect any refrigerant from the old air conditioner. This is typically done through a special disconnect box that has a valve that can shut off the line set. The line set is then connected to the new air conditioner through a hole that is drilled in the band board. Once the line is in place, it is secured with hangers that are placed on the floor joists near the hole.
The installer will then run the suction line (which is usually white) to the evaporator coil. This will be secured with a hanger, as well. The liquid line (which is normally red) will then be run to the suction line and secured in a hanger as well.
A sleeve is then slipped over the line set to protect it from dust and dirt. A cover can then be slipped over the sleeve to protect it when it is not in use. Then the installer will place the new window air conditioner in the window. The heaviness of the unit will require two people to center it. If the window is not wide enough for the air conditioner, an accordion panel can be placed on each side of it to hold it in place.