According to the U.S. Department of Energy, the average air conditioner has a lifespan of 18 years. This means most homeowners will go through the buying process at least once. Knowing what to expect makes the whole thing less stressful and helps you ask the right questions before the service truck pulls up!
It Starts Before Installation Day
A good installation begins with a proper assessment of your home. Before any equipment is ordered, your HVAC technician should evaluate your square footage, insulation, duct condition, and existing setup. This is how the right-sized system gets selected. Skipping this step, or going off guesswork, is one of the most common reasons new systems underperform. For instance, if an installer or technician jumps straight to pricing without asking questions about your home, that’s worth paying attention to.
What Happens on Installation Day
Most residential AC installations take somewhere between four and eight hours, depending on the complexity of the job. Below is the general sequence of what you can expect.
The crew will start by removing the old outdoor condenser unit and indoor air handler or coil. If refrigerant is still in the old system, it has to be properly recovered, not just vented, before removal. From there, the new indoor components go in first, followed by the outdoor unit. Refrigerant lines are connected, electrical wiring is run and inspected, and the condensate drain is checked or replaced if needed.
Once everything is connected, the system gets charged with refrigerant and tested. A good technician will check airflow, verify the refrigerant charge is correct, confirm the thermostat is communicating properly, and run the system through a full cooling cycle before calling the job done.
What to Expect in Terms of Access
Plan for the crew to need access to your attic, utility closet, or wherever your air handler is. Moving furniture or clearing the area ahead of time saves everyone time. They also may need to clear a path to the outdoor unit. You should also expect the power to be cut to the HVAC system for part of the day, so if you have pets or temperature-sensitive plants, plan accordingly.
For a closer look at what can go wrong when installations aren’t done carefully, our post on 8 Common HVAC Installation Mistakes and How to Avoid Them is worth a read before you start getting estimates.
After the Install
Give your new system a day or two to settle in before drawing any conclusions about performance. It’s normal for the first few cycles to feel slightly different as the refrigerant and components reach their steady operating state. If something seems off after that, like unusual sounds, uneven cooling, or short cycling, then make a call and get it checked.
Registering your equipment warranty right after installation is also something most homeowners forget. Many manufacturers require registration within a set window to activate the full coverage period. Your technician should walk you through this, but it’s worth confirming before they leave.
Regular maintenance from here keeps the system running the way it should. Our post on 5 Common HVAC Problems Only a Professional Should Handle is a good reference once you’re up and running.
If you’re getting ready to replace your AC and want to talk through the process, get in touch with us today.