How Much Does AC Installation Cost: The Ultimate Guide

When it comes to staying cool and comfortable during the sweltering summer months, an air conditioning (AC) system is a must-have for many households. However, before investing in an AC unit, it's essential to consider the cost of installation. AC installation costs can vary depending on various factors, such as the type and size of the unit, the complexity of the installation process, and the region's labor rates.
By understanding the potential expenses involved, homeowners can make informed decisions and budget accordingly. In this article, we will explore the factors that influence air conditioning install cost and provide insights into what you can expect when considering this important home improvement project.

Average AC Installation Cost

When it comes to installing a central AC unit, the average cost typically amounts to around $5,900. However, it's important to note that air conditioning installation costs can differ depending on the type of system you choose. For split AC units, the average installation cost hovers around $4,000, although it can reach as high as $16,100 for systems with multiple units. On the other end of the spectrum, a window unit that you install yourself as a do-it-yourself project can cost as little as $200. It's worth mentioning that air conditioner installation cost can also vary based on factors such as the size and efficiency of the system, the brand, and other considerations.

Here's a breakdown of the average, highest, and lowest AC unit installation cost:

Average Cost: $5,900

Highest Cost: $16,100

Lowest Cost: $200

Also have a look at our guide to air conditioner maintenance & troubleshooting.

Factors that affect AC Installation costs

There are several factors that can influence the overall cost to install an AC unit. It's important to take these factors into account when planning your budget. Here are some key considerations:

Size of the AC Unit or System 

The size of your home plays a significant role in determining the size and cost of the AC system you'll need. Larger homes generally require larger and more expensive AC systems to effectively cool the space. Installing a system that is either too large or too small for your home can lead to inefficiency and increased energy bills over time.

AC systems are typically sized by the ton, which refers to the number of British Thermal Units (BTUs) they can remove from the air in an hour. As a general guideline, you'll want approximately one ton of cooling capacity for every 500 to 600 square feet of space. To determine the right size of air conditioner for your home, it's best to consult a licensed HVAC contractor.

Here is a table illustrating AC sizes, their capacities in BTUs per hour, corresponding home sizes, and average AC installation estimate

Note: These estimates can vary depending on your location, the brand of AC unit, additional installation complexities, and other factors. Always consult a professional HVAC technician to get an accurate estimate based on your specific needs.

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Pre-Installation Home Assessment

Before the actual air conditioning installation takes place, it is important to have an HVAC professional conduct a home assessment. This assessment involves inspecting your home's insulation, ductwork, and other factors that can affect the installation process. It helps determine the appropriate size of the system you'll need and prevents any unexpected air conditioner installation cost later on. 

On average, a home assessment costs around $420, but it can range from $250 to $2,000 for more advanced audits. However, investing in a proper assessment upfront can save you thousands of dollars in the long run.

Brand

There are various air conditioning brands available, each offering different sizes and price points. While considering brands within your budget, it is recommended to consult with your preferred HVAC professional to identify the brands that are readily available and easily serviced in your local area. This ensures that you have access to spare parts and maintenance services whenever needed.

Efficiency Rating

AC units come with a Seasonal Energy Efficiency Ratio (SEER) rating, which measures their energy efficiency. It is mandated that all units must have a minimum SEER rating of 13 or higher, but you can find units with ratings as high as 27 SEER.

AC units with higher SEER ratings generally have a higher upfront cost. However, they can save you money on utility bills in the long term, as they are more energy-efficient and cost less to operate. If you reside in a warmer climate where the AC will be running for extended periods, it is advisable to prioritize a higher SEER rating. 

Ductwork

Installing new AC ductwork cost can range from $800 to $1,800. If you already have existing ductwork and components in place, replacing a system will cost considerably less than a new central air

Costs for AC Installation Labor

Installing a central or ductless AC system can be a challenging and potentially hazardous task. For this reason, many homeowners opt to hire an HVAC contractor to ensure the installation is performed correctly and to avoid expensive errors. The labor costs for AC installation typically range from $500 to $2,500, depending on factors such as the size and layout of your home, as well as the type of air conditioning unit being installed. It is advisable to shop around and obtain quotes from multiple local HVAC installation professionals to find the best price and service for your specific needs.

Know about the replacement steps for an AC Capacitor. 

Types of AC Units Installation Costs

When it comes to installing an air conditioning (AC) unit, there are several types of ac units available, each with its own unique features and installation costs. Understanding the different types of AC units and their associated installation costs can help you make an informed decision when upgrading or installing a new cooling system in your home or office. Here are some common types of AC units and the typical AC unit installation cost associated with them:

Central AC installation Cost

A central air system is a popular choice for cooling homes as it provides efficient and uniform cooling throughout the entire house. This type of AC unit has all its main components contained in a single unit, which is typically located on the roof or next to the house on the ground. The cooled air is then distributed to various rooms through a network of ducts and vents. Here is the breakdown of central air installation cost:

On average, the central air installation cost is around $5,900. However, the cost can vary depending on factors such as the size of the house, the complexity of the ductwork, and the specific requirements of the installation. The highest central air installation cost can reach up to $9,000, while the lowest cost can be as low as $2,900. It's important to note that these figures represent the installation costs alone and do not include the price of the AC unit itself.

Window AC installation Cost

Window air conditioners are a cost-effective cooling solution for individual rooms or small spaces. These units are designed to be mounted in a window opening and require no extensive installation. Here are the installation costs associated with window AC installation cost:

The average installation cost for a window AC unit is approximately $300. One of the advantages of window units is that they can be installed as a DIY project without the need for professional labor, which helps to keep the cost down. The highest cost for window AC installation can reach up to $1,700, but even the most expensive window units are generally more affordable to install compared to central air systems.

Wall AC installation Cost

Wall AC units, also known as through-the-wall units, offer a convenient cooling solution for specific areas or rooms in a house. These units are installed by cutting a sleeve into the wall and placing the AC unit inside. If your home already has a sleeve for a wall unit, you can save money on installation. Here are the installation costs associated with window AC unit installation cost:

The average installation cost for a wall AC unit is around $600. It's important to note that this cost may vary depending on factors such as the complexity of the installation and any additional electrical work required. The highest cost for wall AC installation can reach up to $700, while the lowest cost can be as low as $450.

Ductless wall mounted AC installation Cost

Ductless wall-mounted AC units, also known as ductless mini-split systems, offer a flexible and efficient cooling option for homes without existing ductwork. These systems consist of one or more indoor air handlers connected to an outdoor compressor unit. Here are the installation costs associated with ductless wall-mounted AC units:

The average installation cost for a ductless wall-mounted AC system is approximately $4,000. However, the cost can vary significantly depending

Check out our blog on ductless mini split air conditioner installation process if you choose to have one.

Best way to save money on Central AC Unit cost

Central ac unit cost can be overwhelming. However, when it comes to installing a central AC unit in a new house, the costs are typically included in the overall project, making it less intimidating in most areas. Regardless of the situation, there are various ways to reduce installing central ac unit cost and save money.

Explore tax rebates: Research local and federal rebates as well as tax incentives available for upgrading from an old system to a more efficient one.

Opt for off-season installation: Consider having your AC unit installed during the spring or fall when HVAC professionals are less busy, as this may result in lower air conditioner installation cost.

Consider a mini-split system: If you only need to cool specific rooms in your home, inquire about installing a ductless split system, which can be a more cost-effective option.

Reduce energy bills: Replace an outdated central air conditioning unit with a newer, more efficient model to lower your monthly energy costs over time.

Maintain your system: Regularly maintain your central air system to extend its lifespan and prevent costly repairs in the future.

Inquire about discounts: Many AC installation companies offer discounts and special promotions during certain holidays, so it's worth asking if there are any available to help reduce the cost of installing your new AC unit.

Compare quotes: It's generally advisable to obtain multiple quotes, ideally at least three, from different providers. This allows you to find the best system for your home and price range while securing the most favorable deal.

Read more to find out how to install a wall mounted AC.

DIY AC Installation vs. Hiring a Professional

The majority of homeowners have the capability to install small wall or window units with the assistance of a partner, and those with DIY experience might be able to handle a mini-split system installation. However, when it comes to installing ductless or central air conditioning systems, the level of expertise required and the associated risks make it advisable to rely on licensed AC installers.

Typically, the cost of labor ranges from $500 to $2,500, and this expense saves you both time and inconvenience. In most areas, obtaining a license, permit, and EPA certification is mandatory for HVAC installation. The job itself can involve physically demanding tasks such as lifting heavy equipment, accessing crawlspaces, climbing onto rooftops, pouring concrete, and dealing with extensive paperwork. HVAC technicians are well-versed in all these aspects and ensure that your system's warranty remains valid.

Frequently Asked Questions

What is the most expensive part to replace an AC unit?

The compressor is often the most expensive part to replace in an AC unit. It is responsible for circulating refrigerant and maintaining the cooling process, making it a crucial component.

How many years should an AC unit be replaced?

On average, an AC unit should be replaced every 10 to 15 years. However, this can vary depending on factors such as maintenance, usage, and the quality of the unit.

How many hours does it take to install an air conditioner?

The air conditioning installation typically takes around 4 to 8 hours, although the exact duration can vary based on factors like the complexity of the installation, the size of the unit, and the experience of the installer.

What is the best AC temperature to save electricity?

Setting the AC temperature to around 24-26 degrees Celsius (75-78 degrees Fahrenheit) is generally considered as the best AC temperature for energy saving while providing comfortable cooling.

How Much Does It Cost to Install AC Ductwork?

The cost of installing AC ductwork can vary significantly depending on factors like the size of the space, the complexity of the installation, the type of ductwork, and regional labor costs. On average, it can range from a few thousand dollars to several thousand dollars.