How Much Does It Cost To Install Central Air?

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How Much Does It Cost To Install Central Air? | Bankrate

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Ah, the refreshing cool of air conditioning in the scorching days of summer. But if your current AC is failing to chill your home and you’re ready to invest in a new system, it’s time to do your HVAC homework.

Central air installation costs an average of $5,861; the typical range runs from $3,882 for smaller systems to $7,905 for larger or upgraded systems, according to HomeAdvisor. But many factors significantly impact the price, including the type of unit you purchase, the unit’s size and energy efficiency and the layout/structure of your home. Take the time to learn about chilling out: the cost to install central air, what goes into installation, what makes AC so expensive — and how to lower the cost.

If you decide to go with a central air system, many factors determine the overall cost. The size of your unit in particular is an important consideration.

By “size,” AC industry professionals don’t mean the air conditioner’s physical dimensions, but its power — that is, its cooling capacity. This capacity is generally referred to as BTUs, an acronym for British Thermal Unit. A BTU is a measure of the amount of energy needed to lower the temperature of a pound of water by a single degree. As part of this measurement system, 12,000 BTUs are called one ton. For instance, a 2.5-ton air conditioner would be equivalent to 30,000 BTUs.

These are the average air conditioning unit costs, including installation, by size, according to HomeAdvisor:

In general, for every 500 or 600 square feet of space in your home you will need about one ton of cooling. Older homes with outdated frameworks may not be equipped to support modern systems, so you could need extensive repairs or even replacement ductwork costing $10,000 or more.

A variety of factors can impact the final price you pay for the installation of central air conditioning including square footage, unit efficiency, the amount of ductwork involved and the labor fees. Here are some of the installation costs to consider.

Every 500 to 600 feet typically requires 1 ton of cooling power. Let’s say you need to cool an 1,800-square-foot ranch home. That means you likely need an AC system sized for three tons or 36,000 BTUs per hour capacity. Per HomeAdvisor, that would probably cost between $3,400 and $5,400.

Air conditioning is also categorized and chosen based on SEER, which stands for seasonal energy efficiency ratio. You calculate SEER by estimating the cooling output during winter divided by electric input. A higher SEER rating means a higher efficiency system. The minimum SEER rating in 2023 will be 14 in the northern U.S. and 15 in the southern U.S.

Ducts and vents provide a flow system for the cooled air. Older homes may not have ductwork in place, so depending on the type of air conditioning system you want to install, you may need to factor that into your costs, says Bailey Carson, a home expert with Angi.

“There are ductless air conditioning systems, which tend to be both more efficient and more expensive than the alternative and are a good option if your walls are too thin for ducts,” Carson says.

Ductless units are typically wall mounted, and you’ll need a few to cool a home. Ducted units come in two forms: traditional larger-format duct systems and small duct high velocity (SDHV) systems, which use small, flexible tubing rather than standard ductwork.

“The age and wall assembly of your home will determine which system you go with,” says David Steckel, home expert at Thumbtack. “Central air conditioning became popular in the 1970s, so if your home hasn’t been renovated since before then, chances are you’re going to need to go with an SDHV system. If your home is newer than that, you probably can see the ducting system in your basement already.”

The cost to install ducts and vents can range from $500 to $2,100.

Central air systems require a pro to install, and that means labor costs will be a major part of the overall expense. The average cost for labor and installation of a central air conditioning system can vary significantly based on the size, shape and orientation of your home, as well as the contractor, Carson says.

Another factor that impacts the labor cost is the energy efficiency or SEER rating of your unit. Air conditioning systems with higher SEER ratings typically more expensive to install. However, they may save you money in the long run through lower energy bills.

Basically, all residential air conditioning boils down into two categories: individual units and central systems. The most common types and their installation costs, via HomeAdvisor, include:

Here are a few options to help bring down the cost of your central air conditioning project.

To help minimize the price to install central air, shop around to see which provider and system fit your home and your budget. Many companies may manufacture the size air conditioning system you need, but costs vary greatly. HomeAdvisor found Payne to be the least expensive central air manufacturer based on average pricing of $1,400, but Aire-Flo, Coleman, Comfortmaker, Tempstar and Whirlpool all priced below $2,000 as well.

If possible, plan to install your unit during spring or fall — before the rush starts.

You can currently claim 30 percent of your project cost – up to $600 – for a central air conditioning system installed by Dec. 31, 2032 (visit here for full details). You can also research the availability of state and local credits for energy-efficient units. Some utility companies and manufacturers offer rebates too, especially if you install in the off-months before summer heat kicks in.

Residential central air units are available with up to 5-ton capacity, but if you live alone or only need to cool certain areas, you could benefit from a smaller system. It is also possible that you don’t need a new AC unit but just some simple repairs to fix leaks or replace parts.

If you live in a state or municipality with high electricity costs, you might consider a heat pump instead. While more expensive to install, they are more energy-efficient and often result in lower bills.

Before a unit can be installed, it’s important to have a heating, ventilation and air conditioning (HVAC) professional assess your home. A pre-installation evaluation can determine such things as what size system you need, how well your home is insulated and whether there are existing ducts and vents. Specifically, the pro will perform a Manual J load calculation to measure how your home retains heat. This determines what size unit you’ll need, which will in turn influence the cost.

“The pre-installation evaluation is likely the most important step you undertake,” says Thomas Jepsen, founder of Passion Plans, an online platform that sells house plans.

Evaluations start around $250. Carson says the cost averages around $420 but can be as high as $2,000 depending on the size of your home and whether you’re looking for a simple or advanced audit. Still, “it will save you thousands over the years,” Jepsen argues. “The pre-installation evaluation makes sure that you get the right air conditioning unit for your home” — and also help you avoid unforeseen setbacks that could drive up the project’s overall cost.

“Like with any project, planning is the most important thing you can do to limit unexpected costs, roadblocks or surprises down the road,” says Steckel. “With AC units in particular, a site visit to create a scope of work by a professional is required as they will base their calculations on the size and length of ductwork, the size of the home and, of course, what problems you are solving for.”

A central air installation can be a four- or even five-figure significant investment, and not everyone has thousands of dollars at their disposal. Here are some financing options.

A home equity loan is a popular way to finance a new central air unit using the equity you have in your home. AKA a second mortgage, these loans are used for large expenditures, and the interest can be tax-deductible if used for substantial home projects (such as installing a new central air system). As with a personal loan, you receive the funds in one lump sum and make monthly payments with interest until the loan is repaid. Home equity loans usually have lower interest rates than personal loans since they are secured by your home. Terms may extend up to 10 or 15 years.

A home equity line of credit, or HELOC, also uses your home as collateral, but it works more like a credit card. Your bank gives you a credit limit that can be continually reused within the draw period as long as you make your payments on time. This draw period lasts around 10 years. After that, you’ll make payments on the amount you borrowed for another 10 to 20 years. HELOCs charge a variable interest rate, which means that your payments will fluctuate based on how much you borrow and the current market rate you’re being charged at the time of payment.

A personal loan is an excellent option if you need to receive funds quickly for home improvements. There are almost no stipulations regarding its use, and loans can exceed $35,000 if you have good credit. Personal loans give you a fixed amount that is distributed in a lump sum. There is no need to use your property as collateral, but you’ll likely pay higher interest on this type of unsecured loan. Terms for personal loans typically range from 12 months to 60 months, and the loans have fixed monthly payments.

There’s no doubt that installing central air can be pricey. AC unit costs can approach $8,000 or even more, especially if you have a large or old home. If that price is daunting and you don’t have the funds to pay out of pocket, there are ways to finance the expense. If you’re looking to borrow money to install central air, compare rates from a few personal loans, home equity loans and HELOC lenders to see what your monthly payments might look like.

Additional reporting by Erik R. Martin

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How Much Does It Cost To Install Central Air? | Bankrate