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In this article, you will learn:
- Typical cost range: In the Chicago area, replacing a central air conditioner typically costs between $4,000 and $12,000, depending on the system and installation requirements.
- Home size matters: Larger homes require higher-capacity AC systems, which can increase both equipment and installation costs.
- System efficiency: Higher-efficiency units (with higher SEER ratings) cost more upfront but can significantly reduce long-term energy bills.
- Installation complexity: Factors like ductwork upgrades, electrical changes, or difficult installation conditions can affect the total project price.
- Equipment quality: Premium brands, advanced features, and upgraded components can also influence the final cost of your AC replacement.
Chicago’s hot and humid summers call for a premium to be placed on your air conditioning unit. Those who rent small apartments can get away with a window or portable AC unit, but Arlington Heights and Chicagoland homeowners will want to invest in a ductless split system or central air conditioning unit to secure the comfort and safety of their families and loved ones from May to September every year.
“Should I Repair or Replace my Current AC Unit?”
The $5,000 rule for HVAC is a helpful guide in deciding between repairing or replacing an old HVAC system. Multiply the system’s age in years by the estimated repair cost. If it’s more than $5,000 then replacing the unit may be the more prudent choice, financially. Replacing the unit may not be necessary if that total is less than $5,000 as you could get away with repairing the older unit and still addressing issues related to high energy bills and future breakdowns.
“How Much Will It Cost to Replace my AC Unit in Chicago?”
In Arlington Heights and the greater Chicagoland area, the average cost to replace an AC unit is $4,103, according to Angi. That cost can fluctuate, however, based on the size and type of the unit, as well as its efficiency rating. A breakdown:
AC Size (Tons) | Typical Home Size | Central AC – Simple Install | Central AC – Moderate Install | Central AC – Complex Install | Ductless Mini-Split (Single/Multi Zone) |
1.5 – 2 Ton | Condo / Small home (600–1,200 sq ft) | $4,000 – $6,500 | $5,500 – $7,500 | $7,000 – $9,000 | $3,500 – $6,500 |
2.5 – 3 Ton | Small–mid home (1,200–1,800 sq ft) | $5,000 – $7,500 | $6,500 – $9,000 | $8,000 – $11,000 | $5,000 – $9,500 |
3.5 – 4 Ton | Mid-size home (1,800–2,500 sq ft) | $6,500 – $9,500 | $8,000 – $11,500 | $10,000 – $14,000 | $7,500 – $12,000 |
4.5 – 5 Ton | Large home (2,500–3,500+ sq ft) | $8,000 – $11,500 | $10,000 – $14,500 | $12,500 – $18,000+ | $9,500 – $16,000+ |
Energy Efficiency for my AC Unit
One major factor in your AC unit’s cost is the energy efficiency rating you decide on. Measured by the Seasonal Energy Efficiency Ratio, or SEER (or SEER2 rating), higher costs are associated with higher ratings. However, investing in a highly-rated unit is smart for the long-term as you save money on your heating and cooling bills year-round due consuming less energy.
Related Costs to Replacing Your AC Unit
The city of Chicago requires a combined sales tax rate of 10.25% for materials and supplies purchased, according to Angi. You can offset any additional costs related to permits, licensing, and certification by working with the professionals at ABC Plumbing, Sewer, Heating, Cooling, and Electric.
AC Replacement Cost in Chicago – FAQ
How much does it cost to replace an air conditioner in Chicago?
Most Chicagoland homeowners pay between $4,000 and $12,000 to replace a central air conditioner, depending on system size, efficiency, brand, and installation complexity.
What size air conditioner do I need for my home?
AC size depends on factors such as square footage, insulation, window exposure, and ductwork design. Most homes in the Chicago area require systems ranging from 2 to 5 tons.
Is a ductless mini-split cheaper than central AC?
Ductless mini-split systems can be less expensive for smaller spaces or homes without ductwork, but multi-zone systems for larger homes can cost similar to or more than central AC.
What factors increase the cost of AC replacement?
Costs may increase if your project requires ductwork modifications, electrical upgrades, higher-efficiency equipment, difficult installation access, or additional indoor components like evaporator coils or smart thermostats.
How long does an air conditioner last in the Chicago climate?
With proper maintenance, most central air conditioning systems last 12–15 years in the Chicago area. Regular tune-ups and filter changes can help extend the system’s lifespan.
Ready to Get Started with Your Chicago AC Replacement?
ABC Plumbing, Sewer, Heating, Cooling and Electric brings over 70 years of trusted service and state-licensed expertise to every AC replacement. We deliver code-compliant work backed by written warranties on parts and labor. Contact us today for a free consultation and transparent pricing on your home AC unit installation.
ABC Plumbing Locations
Arlington Heights, IL220 W Campus Dr | Largo, FL11701 S Belcher Rd Suite 127 |
Downers Grove, IL1001 Ogden Ave LL4 | Tampa, FL4326 W El Prado Blvd Suite 7 |
Evanston, IL828 Davis St UNIT 205 | |
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