How Much Does an AC Unit Cost to Install?

Installing a central AC unit can significantly improve your home’s comfort, especially during hot summer months. Understanding the costs involved is crucial for planning your budget. This guide will help you navigate the factors that affect central AC unit installation costs and provide tips on how to save money.

Central AC Unit Installation Costs

Installing a central AC unit is a significant investment that can greatly enhance your home’s comfort. On average, the cost to install a central AC unit ranges from $3,500 to $7,500. However, for high-end installations, the price can go up to $10,000 or more. The overall cost is influenced by several key factors, including the size of the unit, its SEER (Seasonal Energy Efficiency Ratio) rating, the brand, and labor costs.

• Unit Size: Larger units, which are necessary for cooling bigger spaces, typically cost more. The size of the unit needed is determined by the square footage of your home.
• SEER Rating: Units with higher SEER ratings are more energy-efficient but come with higher upfront costs. These units can save money in the long run through lower energy bills.
• Brand: Different brands offer various levels of quality and warranty options, impacting the overall cost. Premium brands usually come with a higher price tag but may offer better durability and performance.
• Labor Costs: Labor costs can vary significantly based on the complexity of the installation and your geographic location. Complex installations or those in areas with higher labor rates will cost more.

HVAC Replacement Cost Calculator

Take Me There

Factors Affecting Installation Costs

By considering these factors, you can better understand the range of costs associated with installing a central AC unit and make an informed decision that fits your budget and cooling needs.

Central AC Installation Costs by Size

Central AC size is calculated in tons, which represents the cooling capacity of your air conditioning system and the amount of heat it can remove from a room. Most residential air conditioning systems provide up to 5-tons of cooling, depending on the size of the home.

• 1.5 Tons (18,000 BTUs): Suitable for small homes or apartments up to 1,200 square feet. Installation cost ranges from $2,500 to $3,500.
• 2 Tons (24,000 BTUs): Suitable for homes ranging from 1,200 to 1,500 square feet. Installation cost ranges from $2,800 to $4,000.
• 2.5 Tons (30,000 BTUs): Suitable for homes ranging from 1,500 to 1,800 square feet. Installation cost ranges from $3,000 to $4,500.
• 3 Tons (36,000 BTUs): Suitable for homes ranging from 1,800 to 2,100 square feet. Installation cost ranges from $3,500 to $5,000.
• 3.5 Tons (42,000 BTUs): Suitable for homes ranging from 2,100 to 2,400 square feet. Installation cost ranges from $3,800 to $5,500.
• 4 Tons (48,000 BTUs): Suitable for homes ranging from 2,400 to 2,700 square feet. Installation cost ranges from $4,000 to $6,000.
• 5 Tons (60,000 BTUs): Suitable for homes up to 3,000 square feet. Installation cost ranges from $4,500 to $7,500.

Understanding BTUs

BTUs, or British Thermal Units, measure the heating capacity of an HVAC system. This unit is particularly preferred when purchasing HVAC heating systems. Since a central air conditioner can provide both heating and cooling for your home, it’s important to understand the sizes for both functionalities.

By understanding these sizes and associated costs, you can choose the right AC unit that fits your home’s cooling and heating needs while aligning with your budget.

AC Costs by SEER Rating

Some of the best AC units will have high energy efficiency capabilities (also known as high SEER ratings) can save you a considerable amount of money on your average heating and cooling energy bill costs. However, a higher energy efficiency level may mean a higher HVAC installation cost.

SEER ratings for central AC units can range from the lowest point of a 13 SEER to the maximum efficiency air conditioners boasting a 24 SEER rating. The efficiency of your unit significantly impacts both initial installation costs and long-term energy savings.

• 13 to 14 SEER: Units with a 13 to 14 SEER rating are the most basic models and typically have the lowest upfront cost. The average price for a standard AC unit providing a 13 to 14 SEER rating is around $3,000 for total unit installation.
• 16 SEER: A mid-range option with a balance of efficiency and cost, a 16 SEER unit typically costs around $4,500 for total installation.
• 18 SEER: Higher efficiency units with 18 SEER ratings provide greater energy savings and performance, with installation costs averaging around $5,500.
• 20 SEER and above: The most efficient units, such as those with a 24 SEER rating, offer maximum energy savings but come with a higher initial cost. Installing a unit with a 24 SEER rating will cost around $7,000 for total installation.

Air Conditioner Unit Costs by Brand

Each of the best AC unit brands offers different tiers of central AC units to cater to various home cooling needs. Brands like Goodman, Rheem, and York provide reliable units with prices starting around $3,000, making them a great option for those seeking affordability and decent performance.

More premium brands such as American Standard, Trane, and Carrier offer higher-quality units with enhanced features and superior efficiency. These units typically start at around $5,000 and can go upwards depending on the specific model and SEER rating. These brands are known for their durability and advanced technology, which can lead to better long-term energy savings and overall performance.

When purchasing an AC unit from these brands, it’s important to remember that the quoted price usually covers only the AC unit itself. Additional costs for ductwork, installation, and other necessary expenses will be added at the time of installation. Considering these factors will give you a more accurate estimate of the total project cost.

For those interested in comprehensive home comfort solutions, you might also want to explore the top furnace brands to complement your AC unit and ensure year-round efficiency and comfort.

Find Local HVAC Pros

Hidden Costs in Your Estimate

There are also air conditioning installation costs that most likely are not included in the initial AC estimate but you may want to factor in, if applicable for your local installation prices. You also may need to consider installing a new furnace with your AC unit. These are the things you should ask the HVAC contractor about and whether or not the cost is included in the initial estimate they’re providing. Here are a few cost related questions you should have answers to:

• Will a permit be required from your local city or county building department? Will the unit also require an inspection by a representative of the building department to ensure the system is up to code?
• If you live in an older home that has asbestos or lead paint, there may be an additional cost to test, remove, or replace the material. Ask about this.
• What about ductwork? Does my existing ductwork can be used or new duct installation is recommended?

Additional Cost Considerations

Ductwork

If your home doesn’t have existing ductwork, installing it can add significantly to the cost. Ductwork installation typically ranges from $1,500 to $3,000.

Permits and Inspections

Local regulations may require permits and inspections, which can add $200 to $500 to your installation costs.

Electrical Upgrades

Older homes might need electrical upgrades to accommodate a new AC unit. This can cost between $1,000 and $3,000 depending on the extent of the work required.

Maintenance and Energy Costs

Regular maintenance is essential for the longevity and efficiency of your AC unit. Annual maintenance costs typically range from $100 to $300. Additionally, consider the ongoing energy costs, which can vary based on the unit’s SEER rating and your local energy rates.

DIY vs. Professional Installation

DIY Installation

While DIY installation might seem like a cost-saving option, it’s generally not recommended unless you have extensive HVAC experience. Mistakes can lead to inefficient operation, voided warranties, and potential safety hazards.

Professional Installation

Hiring a professional ensures the job is done correctly and safely. Professionals have the expertise to handle complex installations and ensure that all local codes and regulations are met.

Cost-Saving Tips

• Get Multiple Quotes: Compare quotes from several contractors to ensure you get the best deal.
• Check for Rebates: Look for manufacturer rebates, tax credits, and local utility incentives that can reduce your costs.
• Choose the Right SEER Rating: Select a unit with a SEER rating that balances upfront costs with long-term energy savings.
• Regular Maintenance: Invest in regular maintenance to avoid costly repairs and keep your unit running efficiently.
• Off-Season Installation: Consider scheduling your installation during the off-season when contractors may offer discounts.

Understanding the factors that influence central AC installation costs can help you make informed decisions and plan your budget effectively. From unit size and SEER ratings to brand choices and labor costs, each factor plays a crucial role in the total cost. Use our cost calculator to get a personalized estimate and ensure your home stays cool and comfortable without breaking the bank.

For a full list of price evaluation tips see our full list from our  homeowner’s guide to evaluating your HVAC price quotes.

Find Local HVAC Pros