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AC units after being repaired by a local pro

5 Best AC Repair Services in Waukegan, IL

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Written By Max Peterson|Last Updated: May 18, 2024

Are you in need of an AC repair in Waukegan? Air conditioners (ACs) are critical for your family's summertime comfort, but an AC breakdown shouldn't have to set you back. Waukegan's HVAC servicers apply the latest technology to design custom-tailored, cost-efficient solutions. Discover Waukegan's top HVAC repair and replacement companies, and read further about what your home might need.

Top AC Repair Companies in Waukegan, IL

Kern Heating & Cooling Co. Logo

Kern Heating & Cooling Co.

Based on 746 customer reviews.

Services Offered

MaintenanceDuctlessBoiler InstallationIndoor Air QualityDuct CleaningEmergency ServicesAc RepairFurnace InstallationAc Installation


  • Informative resources
  • Reliable customer support
  • Clear pricing policy
38931 N Lewis Ave, Beach Park, IL 847-383-0350 kernheating.com
Precision Today Plumbing Heating Cooling Electrical (Miller's Area Heating) Logo

Precision Today Plumbing Heating Cooling Electrical (Miller's Area Heating)

Based on 504 customer reviews.

Services Offered

Ac InstallationAc RepairFiltrationFurnace RepairBoiler InstallationInspectionIndoor Air QualityBoiler RepairDuctlessDuct CleaningFurnace InstallationMaintenance


  • Informative resources
  • Reliable customer support
  • Clear pricing policy
112 Center St, Grayslake, IL 847-752-4746 precisiontoday.com
Signature Heating & Cooling LLC Logo

Signature Heating & Cooling

Based on 72 customer reviews.

Services Offered

Ac InstallationFurnace RepairEmergency ServicesFurnace InstallationMaintenanceAc RepairIndoor Air Quality


  • Clear pricing policy
  • Reliable customer support
83 Ambrogio Dr Ste B, Gurnee, IL 847-420-2121 mysignatureheating.com
Drew Green Heating & Cooling Logo

Drew Green Heating & Cooling

Based on 23 customer reviews.

Services Offered

Furnace InstallationAc InstallationBoiler RepairDuctlessAc RepairBoiler InstallationEmergency ServicesFurnace RepairMaintenanceIndoor Air Quality


  • Informative resources
  • Clear pricing policy
  • Reliable customer support
28835 N Herky Dr Ste 113, Lake Bluff, IL 224-730-0692 drewgreenheating.com

More Local Hvac Companies

Blue Star Heating and Cooling

User Reviews: 4.7/5 

1840 Industrial Dr Ste 280
Libertyville, IL 60048

Libertyville Unique Indoor Comfort - Now AA Service Co

User Reviews: 4.7/5 

624 Second St
Libertyville, IL 60048

GSHA Services, LTD

User Reviews: 4.6/5 

11 N Skokie Hwy #111c
Lake Bluff, IL 60044

Thornton Heating Service, Inc.

User Reviews: 4.6/5 

19083 W Casey Rd
Libertyville, IL 60048

Modern Heating & Plumbing Co.

User Reviews: 4.6/5 

1949 Swanson Ct
Gurnee, IL 60031

Ireland Heating & Air Conditioning Co.

User Reviews: 4.6/5 

28354 Ballard Dr
Lake Forest, IL 60045

Allied Air Conditioning & Heating Corp.

User Reviews: 4.6/5 

203 Peterson Rd
Libertyville, IL 60048

AColeman Heating and Cooling

User Reviews: 4.4/5 

2409 W Dugdale Rd
Waukegan, IL 60085

North Shore Heating & Cooling

User Reviews: 4.6/5 

1047 E High St
Mundelein, IL 60060

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.

AC units after being repaired by a local pro

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Facts about Waukegan
Average Max Temp Percentile:32.3%
August Average Max Temp:80.3°F
Climate Zone:Cold
Average Energy Cost:$0.13/kWh
Median Year Houses Built:1965
Average Heat Waves per Year:0.58

Expert Tips By

This Old House empowers homeowners with the knowledge and tools they need to tackle various projects and navigate the complexities of homeownership.

Common Types of Air Conditioners

HVAC technicians have the expertise to service most air conditioner varieties, but knowing more about what you have can be beneficial. Below, we'll explain each of the common AC types.

  • Window ACs: Window air conditioners are a popular choice for Waukegan townhomes, apartments, and condos. These budget-friendly, convenient units are designed for cooling small spaces and single rooms, and they fit snugly in a window frame or dedicated wall slot. Many window-mounted air conditioner users set up their units without professional assistance, though technicians can still help with maintenance and repairs.
  • Split ACs: Split AC units have two main elements: one indoors and one outdoors. They offer silent operation, improved energy efficiency, ductwork options, and more cooling capability versus mini-splits.
  • Portable air conditioners: As the name hints, portable air conditioner systems don't require permanent installation or ductwork. Instead, they remove hot air through an exhaust hose connected to a window or nearby vent. They're preferred for condos, apartments, or individual rooms.
  • Central AC: These are the most common home air conditioners, offering precise, consistent temperature control. They feature a central unit that cools air from outside, purifies it, and sends it through ducts to different rooms in your home.
  • Ductless mini-split: Ductless mini-split AC systems have an exterior unit and one or more indoor units, with no ductwork required. They offer flexible installation options, higher energy efficiency, and individual room temperature control.

How to Choose Your Waukegan AC Repair Service

You likely want a swift resolution for your air conditioner's problem. However, before recruiting a repair company, it's important to take the time to research if they're ideal for your dwelling. Here are a few essential steps to follow.

Confirm the Company Is Properly Licensed and Insured

There's no state HVAC license in the Land of Lincoln. Instead, cities and counties are free to set their own requirements and regulations. Check with your local building department for more information.

You should also check a company has sufficient liability insurance coverage, even if your state doesn't require it. Choosing an insured company will protect you if mishaps arise during work.

Read Customer Reviews

Check customer reviews on the Better Business Bureau (BBB) website for each company you're interested in. The BBB accredits contractors that handle complaints effectively and honor their warranties.

It's common for even the best AC repair providers to have both positive and negative reviews. Read each one carefully, and avoid a business if most reviewers had subpar experiences.

Compare Estimates

We suggest getting three or more estimates to find the best cost and services. Get a written copy of each quote, and learn more about emergency repair availability, manufacturer warranties, permitting fees and installer guarantees.

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Frequently Asked Questions About AC Repair in Waukegan

What's the cost of an AC repair job in Waukegan?

Your AC unit repair costs will hinge on the type of unit you have and the malfunctioning part. A basic repair job like sorting out a thermostat might cost $150–$250, whereas a more intricate fix like swapping out the compressor will be more expensive.

See the average costs for common AC repairs below.

Common RepairAverage Cost
Clogged air filter$65–$173
Electrical circuits$200–$250
Drainage problems$100–$150
Refrigerant leak$400–$1500
Frozen condenser coils$1,295–$3,886
Fan or air blower issues$150–$200
Compressor replacement$600–$1,641

What do I do if my AC is running but not cooling?

If your AC is running but not cooling, a blocked condenser coil could be the culprit. Normally, the AC’s condenser fan pulls air into the outdoor unit through the condenser coil to extract heat energy from your home. A technician can help by clearing the clog or replacing a damaged coil.

Why should I hire an HVAC professional? Couldn't I repair my air conditioner myself?

You can most likely install a window AC unit by yourself. However, installing other air conditioners should almost always be done by an HVAC contractor who knows the complex tubing, wiring and piping. We also advise seeking professional installation due to the potential hazard of refrigerant spills.

What industry certifications should I look for when researching Waukegan AC repair companies?

Private accreditations aren't always necessary, but businesses that seek them are typically more trustworthy. The two largest HVAC trade bodies that issue certifications are the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) and Air Conditioning Contractors of America (ACCA).

How quickly can an HVAC company in Waukegan respond to emergency repair requests?

Some repair companies offer same-day or next-day service for emergency air conditioner breakdowns. However, the specific timeframe will vary depending on the team's schedule, the terms in your contract, and the severity of the issue. For the most accurate info, we recommend contacting the company directly and explaining the situation.

To share feedback or ask a question about this article, send a note to our Reviews Team at reviewsteam@thisoldhousereviews.com.