AC Repair in Roselle, IL

Roselle is a DuPage County community whose residential development peaked in the 1970s and 1980s, leaving it with a housing stock that is now squarely in the age range where HVAC systems require the most attention. Ranch homes and two-stories from that era run cooling equipment that has been through 20 to 40 summers, and while many systems have been replaced once, a second replacement cycle is beginning to move through the community. The homeowners we talk to in Roselle are increasingly dealing with systems that are declining faster than expected.

Leith Heating and Cooling serves Roselle homeowners with accurate diagnostics, upfront pricing, and work that is backed by our 100% satisfaction guarantee. Our NATE-certified technicians know the equipment that is common to homes in this age range and come prepared to resolve problems in a single visit whenever possible.

Our Services:

Contact Us

Full Name

Phone Number

Email Address

Address

City

Are you a new customer?

Inquiry about:

Message

By submitting this form and signing up for texts, you consent to receive text messages from Leith Heating & Cooling at the number provided, including messages sent by the auto dialer. Consent is not a condition of purchase. Msg & data rates may apply. Msg frequency varies. Unsubscribe at any time by replying STOP to 847-851-8698 or clicking the unsubscribe link (where available), and no further messages will be sent. Reply HELP for help. See Privacy Policy & Terms.

Why Homeowners in Roselle, IL Trust Us

I called Leith and Jake came out to evaluate my house and make recommendations. He was informative, patient and kind as he sat and explained how the different systems operated. I was impressed with his knowledge base and his ability to use language I could understand in making a good decision for me. I will be highly recommending this team to friends, family and neighbors.

From Jake to Carl to Esteban what a great experience we had getting our new furnace and air conditioner installed. Jake explained in detail all of the appliances and how much everything would cost. Carl and Esteban were two of the most considerate installers we have ever encountered. very knowledgeable. They went above and beyond keeping our house clean. Thank you Leith for your excellent employees.

I remembered my sister used your company and loved your service so I called. Christian was here in less than an hour and worked hard to figure out our complicated heating problem in a hurry. He went above and beyond recognizing some other problems we had been dealing with for a while. Christian just took such good care of us, we will use Leith from now on.

We called Leith at 8AM and spoke to the owner, Brian, who took our relevant information. He was able to send out his service tech, Sean, who was here by 8:45 to do an inspection and to see if it was fixable. He evaluated the situation, provided and explained the merits of the three options. They were prompt, professional, patient with our questions and couldn’t have been nicer. Can’t say enough about the whole team - excellence all around.

We have used Leith for our HVAC checkups for few years. Our system was coming to the end of its life and decided to replace it. Leith was our first and only choice for the job. Esteban and Carl did a thorough and meticulous job on the installation and we were happy with the whole process. I would recommend Leith for their professionalism and ease to work with.

Common AC Problems We Fix in Roselle

DuPage County’s summer climate delivers the same hot, humid air masses as the rest of northeastern Illinois, and Roselle’s relatively flat, inland geography does not provide the natural wind movement that helps reduce heat load in some other communities. Systems run hard here in summer, and the age of the housing stock means many of those systems are doing it with worn components. Here is what we see most often in Roselle:

Compressor failures on systems that are in their second decade of service without consistent maintenance history.
Capacitor and contactor wear that develops into full failure during the electrical demands of peak summer heat.
Refrigerant leaks in original copper line sets from installations now 20 to 30 years old, often discovered only after efficiency has noticeably declined.
Coil fouling from years of inadequate filter maintenance, restricting heat transfer and reducing output below what the system is rated for.
Ductwork air leaks in older homes where flexible duct connections have deteriorated and are pulling in unconditioned air.
Thermostat incompatibility introduced when older mechanical stats were replaced with smart devices that require wiring the original system did not have.

Many of these issues are discovered during a first service visit for a home that has not had regular maintenance. Catching them is the first step to a more reliable system.

Emergency AC Repair in Roselle

Roselle’s inland location means summer temperatures can climb quickly during heat events with less of the nighttime moderation that lakeside communities experience. When an AC system stops working during one of those stretches, the interior of a 1970s or 1980s home can become genuinely uncomfortable within a few hours.

Leith Heating and Cooling offers emergency repair service in Roselle. We respond promptly, arrive with the parts most commonly needed for emergency repairs, and keep you informed from the first call through the end of the visit. Getting your home back to comfortable is the priority.

A Service Call in Roselle's Clover Hill Area

We were called to a home in the Clover Hill neighborhood of Roselle by a homeowner named Linda, whose 1978-built ranch had not been cooling below 78 degrees for the past two weeks despite the thermostat being set to 72. She had replaced the thermostat herself, assuming it was the culprit, but nothing changed.

The inspection found a compressor that was running but not delivering full capacity, consistent with an aging unit that had lost compression efficiency over time. The refrigerant charge was also below specification. After recharging the refrigerant we ran a full performance test, which confirmed the compressor was still functioning within acceptable range for a unit its age, just not efficiently enough to overcome a hot day without both issues being addressed together. Linda was relieved the system could be brought back to acceptable performance without an immediate replacement conversation.

Air Conditioner Parts We Repair and Replace

Roselle homes from the 1970s and 1980s give our technicians a clear picture of what component-level repair looks like at the later stages of a system’s life. Some parts are still worth replacing; others indicate a tipping point toward replacement. We help homeowners understand the difference. Here is what we work on most often in Roselle:

Compressors, including evaluation for whether the compressor’s condition warrants replacement or whether it has meaningful additional service life.
Capacitors and contactors, which are almost universally the first parts to fail as a system ages past 15 years.
Evaporator coils, including deep cleaning for units with years of debris accumulation that has been reducing heat transfer efficiency.
Refrigerant line sets and fittings where original 1970s and 1980s installations have developed leaks from corrosion or physical stress.
Flexible duct connections and return air sections in older homes where duct system integrity has declined.
Fan motors and blower wheels, including cleaning and replacement as needed to restore full airflow.

We give you the full picture, not just the repair recommendation that generates the most revenue. Up-front pricing means the number you hear before we start is the number on the invoice.

Ductless Mini-Split AC Services in Roselle

As Roselle’s older ranch homes are updated and finished, homeowners frequently discover that the existing duct system cannot adequately serve a reconfigured floor plan or a new addition. Ductless mini-splits are a cost-effective way to add targeted cooling to these spaces without modifying existing duct runs or paying for a full system redesign.

We install and service ductless systems throughout Roselle. From garage conversions to finished basements to rooms on the back of the house that have never cooled properly, mini-splits deliver the comfort upgrade without the construction project. Our technicians size every installation to the actual space and handle all refrigerant work to EPA standards.

Frequently Asked Questions

My Roselle home was built in the 1970s. What should I expect from an AC service call?

On a home that age, a technician will check the refrigerant charge, inspect the coils, test the electrical components including capacitors and contactors, clear the condensate drain, and evaluate overall system performance. If anything is near or at the end of its service life, we will tell you what it is and what your options are.

Is it worth repairing a 20-year-old AC system in Roselle?

It depends on what failed. Electrical components like capacitors and contactors are inexpensive to replace even on old units and can extend system life. Compressor failure or coil failure on a 20-year-old system typically points toward replacement, since further repairs on aging equipment tend to compound over the following seasons.

How can I tell if my AC is low on refrigerant?

Common signs include the system running continuously without reaching set temperature, ice forming on the indoor coil or refrigerant lines, warm air coming from supply registers when the system is running, and higher than normal energy bills. Any of these warrant a service call.

Does duct leakage affect how well my AC cools my Roselle home?

Significantly. If your duct system is pulling in unconditioned air from a crawl space or attic, or losing conditioned air before it reaches living spaces, the system works much harder for the same result. In older Roselle homes, duct integrity testing can reveal surprising amounts of loss that explain performance problems the equipment itself is not causing.

What makes Leith Heating and Cooling different from a larger national HVAC company?

We are a local, veteran-owned, family-operated business. The person making decisions about your job is the same person who has to stand behind those decisions in this community. We provide upfront pricing, a satisfaction guarantee, and NATE-certified technicians, and we treat every customer the way we would want to be treated ourselves.