How long does installing a new AC take?
Emma Jordan
Published Feb 23, 2026
Generally speaking, the average installation will take anywhere from four to eight hours, which means the process of removing the old unit and being able to turn on the new one should be finished within a day.
How much does it cost to install new air conditioner?
The cost to install central air conditioning, including the unit, ranges from around $3,000 to over $7,000 on average, according to home services company HomeAdvisor. But the price tag varies widely depending on where you live, the type of system you need and the condition of your existing air ducts.
Can I replace my own AC unit?
Unless you’re a trained HVAC professional with the proper equipment on hand, you should never try to replace your HVAC unit by yourself. It is simply too dangerous and too complicated. We will work closely with you to ensure that you have the proper HVAC system in place and installed correctly.
How long does it take to change an AC coil?
Installing an evaporator coil can take anywhere from 3 to 8 hours to replace at $50 to $150 an hour or $150 to $1,200.
Is it difficult to install a window air conditioner?
Window air conditioners typically weigh between 50 and 100 pounds, so maneuvering the appliance into the window and then holding it in place while it’s being secured with screws requires an assistant. Installing a window AC on your own is an easy way to injure yourself, or accidentally drop the unit out the window.
When should I replace my air conditioner?
If you kept your air conditioner in good condition over its lifetime, expect to need a replacement in about 10-15 years. Keep in mind that as your A/C grows older, its mechanical parts can become unavailable or obsolete over time. If you aren’t able to replace a broken part, you will need to purchase new unit.
Are there any rebates on air conditioners?
The NSW Government is offering discounts of up to $1,000 on a range of energy efficient air conditioners. TC Air can keep you cool (and warm) while helping home owners and small businesses to take advantage of these savings. The installation discount offered depends on the size of your air conditioner.
Where can I find a contractor to install a central air conditioner?
HVAC.com can help you jump-start the installation of your next central air conditioning system. Find an HVAC pro in your area by accessing our Contractor Directory, or let us recommend a licensed contractor who knows how to install central air conditioning systems.
How do you connect an air conditioner to an indoor unit?
Check the electrical connections on the indoor unit. Lift the A/C unit’s front panel and remove the cover. Make sure the cable wires are connected to the screw terminals and that the wiring matches the diagram that came with the unit. Run the pipes and cables through the hole in the wall, then connect them to the unit.
Is it dangerous to install a new air conditioner without a licensed HVAC installer?
It can be dangerous to install a new cooling unit without the proper expertise, not to mention that doing so can damage your system and cause reduced efficiency. In the long run, this leads to added costs for you. Instead, a licensed professional HVAC installer should always perform your installation.
When to turn on a permanently installed air conditioner?
ServiceTitan’s all-in-one software & application for HVAC contractors is designed for growth. A permanently installed air conditioner is usable as soon as the installer has finished. That’s because a competent installer will know when components have stabilized and will test the system prior to completing the job.