Air Conditioner Installation is not a DIY-friendly job, and even if it was, your system could end up not working properly or costing you more money in the long run due to improper installation. Your HVAC company should have trained, certified professionals who have completed extensive education, apprenticeship and licensing requirements to ensure that they are familiar with proper installation techniques. They should also be familiar with the R-410A refrigerant that modern systems use as well as how to work safely around electrical and gas equipment.
During the initial visit for a free quote, your estimator should thoroughly evaluate the condition of your existing air conditioning system to collect important information that will help them create an accurate proposal. This step often involves a visual inspection of the unit to determine its condition, as well as an evaluation of your home’s ductwork. If there are any duct leaks, repairs or modifications will be discussed at this time and can then be scheduled as part of your installation project.
The first step in installing a new air conditioner is to remove the old unit from the outdoor compressor pad. This may require removing the roof, removing shingles or tearing up some siding. Once the old unit has been removed, the concrete pad should be leveled and a hole dug for the indoor unit. The installer will then place the new unit on the pad and fasten it to a metal mounting plate.
Once the new indoor unit is mounted, the copper pipes that carry the refrigerant are formed and fitted into place using hangers, which are secured to the wall with screws. The power cable is then connected to the indoor unit and the copper lines are clocked together using special flare nuts. Then, the wires are connected to the unit’s screw terminals and matched to the wiring diagram in the instruction manual.
Next, the service valve on the new air conditioner will be connected to the line set that was installed earlier. This will isolate the indoor evaporator coil and line set from the outdoor condenser so that the different types of oil in each can be used without mixing.
Your installer will then connect the indoor unit to the ductwork and make any necessary adjustments. The ductwork must be correctly sized to allow for the best possible performance from your new air conditioner and to prevent air loss through the ducts. If you opt for a new thermostat, your installer will also install this during the installation process.
Once all the connections are made, your technician will test the air conditioner to ensure that it’s operating properly. Then, it’s time to start enjoying the benefits of your new energy efficient air conditioning system! Your installation team should take the time to walk you through your new programmable or smart thermostat, suggest routine AC maintenance tips and answer any other questions you might have. Your comfort is their priority.
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