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Installing an AC Unit Costs
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Average reported cost: $5,399 based on 8,648 cost profiles

Most homeowners spent between: $4,550 – $6,248

The average national cost to install central air conditioning is $5,398, with most homeowners spending between $4,549 and $6,247.

When the hot summer months approach and you find yourself standing in front of the fan to keep cool, you dream of having air conditioning to cool down your whole house.

Size of your house

If you need something more powerful than a window unit, a Central A/C system is your best bet. You want an air conditioning system that is the correct size for your home. If the system is too large it will cycle on and off all the time, wasting energy and being loud and disruptive. If the system is too small it will run constantly and will not effectively cool your house.

Do you already have a central heating system?

Many central air conditioning systems use the blower that is part of the furnace to distribute cool air through your home. If you do not have a central heating system installed, it is most cost effective to install both heat and air conditioning at the same time. If you already have central heat you can use the existing duct system for your central air system.

Do you need duct work?

Most new homes have ducts and vents already in place throughout the house. If you need to install duct work and vents, this would be the time to explore upgrading the heating and cooling systems at the same time as both will be much cheaper when done together than if done separately.

How’s the insulation in your home?

If your home is well built and well insulated, then both your heating and cooling systems will work more efficiently. If you have a brand new central air conditioning system, but poor insulation, you will spend considerable more on your energy bills than you need to. It would be worth exploring an upgrade to your home’s insulation if this is the case. If might save you money in the long run.