Air Conditioner Replacement Services

Lifeline Plumbing, Heating & Cooling offers top-notch AC replacement in Chicago, IL. Our air conditioner replacement technicians can upgrade your aging unit with a long-term, reliable solution. We provide various types of air conditioners, including central ACs, heat pumps, and ductless mini-splits. Whatever your cooling needs are, you can rest assured that we can turn them into a reality.

Contact Lifeline if you need exceptional AC replacement in Chicago today!

24/7 Emergency Services available
(847) 468-0069

Why Choose Lifeline Plumbing Heating & Cooling?

Lifeline Plumbing, Heating & Cooling is a trusted provider of professional AC replacement services across East Dundee and the Chicago suburbs. As a family-owned and operated company, we put customers first and focus on delivering dependable solutions, not quick fixes.

Homeowners choose Lifeline for air conditioner replacement because we offer:
  • Licensed and insured HVAC professionals with extensive experience in system replacement
  • Honest guidance on when AC replacement makes more sense than repeated repairs
  • Upfront pricing with clear system recommendations and no surprises
  • Over 5,000 A-rated reviews reflecting consistent quality and customer satisfaction
  • Guaranteed workmanship and expert installation you can trust
  • Same-day and 24/7 service availability to keep your home comfortable when it matters most
  • Flexible financing options to make AC replacement more affordable

Professional Air Conditioner Replacement Services

Lifeline Plumbing, Heating & Cooling provides complete air conditioner replacement services designed for long-term comfort and reliability. Every project begins with a full evaluation of your existing air conditioning system, including its condition, performance, and efficiency. This assessment allows our team to determine when AC replacement makes more sense than continued repairs and to recommend systems that truly fit your home.

We guide homeowners through selecting the right system size and efficiency level based on home layout, cooling demands, and budget goals. Our AC replacement services focus on upgrading outdated, inefficient, or frequently failing units with modern, energy-efficient systems that help reduce cooling costs. Professional installation is completed with precise attention to airflow, comfort, and long-term reliability, and we handle the full removal and proper disposal of your old air conditioner for a smooth, worry-free experience.

There are several factors we consider for appropriate sizing.
  • Home size
  • Layout
  • Door and window placement
  • Insulation level
  • Existing infrastructure

Central Air Conditioner Replacement

Central air conditioners typically last between 15 and 20 years, while heat pumps often last closer to 10 to 15 years. As systems age, performance declines and problems become more frequent. Common signs that your air conditioner is nearing the end of its lifespan include reduced cooling output, longer run times, higher energy bills, and uneven temperatures throughout your home.

If you’re scheduling frequent AC repairs, replacement may be the smarter long-term solution. Instead of continuing to invest in a system that struggles to keep up, upgrading to a newer, energy-efficient air conditioner can improve comfort, lower cooling costs, and reduce the risk of unexpected breakdowns. New systems also come with manufacturer warranties, giving you added peace of mind and protection against future repair expenses.

Upgrade Your Cooling With AC Replacement

Lifeline is your go-to expert for everything home cooling. As a trusted area AC replacement specialist, all East Dundee and Chicago homeowners can count on us. We provide appointment scheduling and coupons on our website. We’re a full-service HVAC company that also offers heating services and routine maintenance plans.

If you want to schedule professional AC replacement in Chicago, then phone Lifeline now for assistance.

Frequently Asked Questions

Whether it’s about AC replacement near me or proper AC sizing, we get a lot of questions from our customers. Below, we’ll address the most frequent questions we receive so you can learn more about the subject.

How do I know if I need AC replacement or repair?

If your existing air conditioner requires frequent repairs, it’s time to think about a replacement. If your AC unit is nearing the end of its usable lifespan, it’s time to consider a replacement. Our technicians can let you know if a repair or replacement is the more cost-effective solution for you.


Replacing your existing system typically takes one day to complete. However, if you need to upgrade your existing ductwork or install new mini-split units, the installation time could be longer. Our installation technician can give you an estimated time frame of completion when we give you an initial quote.

Usually, upgrading to a new AC unit will lower your energy bill. This is because new units tend to be more efficient than older-style units. The more efficient your system is, the less energy it consumes.

Air conditioners are sized according to BTUs, with a higher number translating to more cooling capacity. The right size unit for your home will vary depending on numerous factors. Some of the most obvious are the size of your home and its layout.

Yes, we do offer financing upon approved credit for AC replacements and new installations. Many homeowners opt for financing the purchase of their new unit to make it more affordable for their budget. Financing can also allow you to purchase a high-efficiency unit that would otherwise be out of reach.
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What To Expect

Discover the Lifeline Difference

Over 5,000
A-Rated Reviews
Expert Technicians, Professional Results
Unmatched Quality, Guaranteed Workmanship
Upfront Pricing, No Surprises
Same-Day Service — On Time, On Budget
24/7 Services Available 
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Our Reviews

See What Your Neighbors Are Saying

We had issues with our toilet leaking, called Lifeline this past Thursday and they sent a tech out that afternoon. By Friday late morning, we had a new toilet. Our tech was absolutely awesome!! He was fast and very knowledgeable! He was easy to talk to and highly recommended!!

Kelly K.
Kelly K.

The technician showed up on time, offered several solutions to my issue and completely the work in a timely and professional basis. He coordinated with the city for their involvement and made the entire process very easy for me. The pricing was fair and reasonable and I can not think of a single thing they could…

David S.
David S.

Lifeline was a life saver! I had an emergency issue with my hardware plumbing and we had our plumber fixing it within 2 hours. He did a perfect job and was super nice! Highly recommend Lifeline for your household needs! A+

Marisol A.
Marisol A.

We've had 2 great experiences in the last year, water heater replacement and main line blockage. Repair techs were friendly and explained everything in layman's terms, costs were very reasonable, work was completed quickly but efficiently. We are so grateful!

Molly W.
Molly W.

Had lifeline out a few times after buying my new home for plumbing and HVAC. Kevin, Dustin, and Travis were all great. Melissa helped set everything up over the phone and she made things a breeze. I recommend anyone to Lifeline. 👍

Noah R.
Noah R.