Top-rated central a/c service or repairers.

Get matched with top central a/c service or repairers in Round Lake, IL

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Central a/c service or repairers in Round Lake

Avatar for All Temp Heating & Air Conditioning Inc
All Temp Heating & Air Conditioning Inc
4.6(
433
)

Serving Round Lake, IL and surrounding areas

Approved

In business since 1946

Free estimates

Emergency services offered

"Yearly maintenance on our A/C. Hard working tech who did his best to work on getting things clean and colder. I would recommend them for a good company who you can trust to do the best possible job they can in trying to help meet the customers needs. Their excellent reviews are accurate and I feel like we received good service for what we spent."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+2

Response time3 days
16 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for G & R Heating & Air
G & R Heating & Air
4.6(
126
)

Serving Round Lake, IL and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Warranties offered

"I had a great experience with G & R Heating & Air! They handled multiple services for me, including repairing my wall heater and servicing my central A/C, and everything was done professionally and efficiently. The team was punctual, knowledgeable, and explained each step clearly."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+20

Response time11 hrs
111 neighbors recently requested a quote
Recommended by72%of homeowners
Avatar for Cahill Heating, Cooling, Electric, Plumbing & Sewer
Cahill Heating, Cooling, Electric, Plumbing & Sewer
4.8(
33
)

Serving Round Lake, IL and surrounding areas

Approved

In business since 1973

Free estimates

Emergency services offered

"Outstanding service!! Cahill has been our heating and air conditions company for over 25 years. Installed two systems over this time. High quality work."
Furnace Installations
Heat Pump Installations
Furnace Installations
Additional Photos
Additional Photos

+7

Response time8 hrs
11 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Four Seasons Heating & Air Conditioning
Four Seasons Heating & Air Conditioning
4.3(
3,280
)

Serving Round Lake, IL and surrounding areas

Approved (Corporate)

In business since 1971

Free estimates

Emergency services offered

"Went okay. Based on some of my past tuneups, I felt like the tech could have done a little more. For example, tech had no vacuum to clean the bottom of inside the furnace. I am not sure he did any cleaning of the INSIDE of my central air unit either, but he did a great job using the hose to clean the side vents, etc., with the garden hose. Also not sure if he ever used that device with the hoses and gauge usually used to check pressure or is it Freon? For $89.95 for each (central air and furnace), I expect a super thorough job. I can’t get around these tuneups or I will void my warranty. I want to feel uber confident I am getting my moneys worth. Tech was super nice and very professional!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Response time9 hrs
28 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Phoenix HVAC, LLC
Phoenix HVAC, LLC
4.8(
64
)

Serving Round Lake, IL and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Friendly reliable owners and staff. Work was completed when scheduled and professionally. New AC was installed with furnace. Since it was cold out, I was assured They will check outside condenser unit in the spring. Comforting to work with a good company."
Staging and Wrapping Ductwork
Staging and Wrapping Duct Work
Installation
OUR WORK
OUR WORK

+21

Response time9 hrs
Response rate92%
Recommended by96%of homeowners
Dr. HVAC Heating and Cooling
4.5(
376
)

Serving Round Lake, IL and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

Dr. HVAC has been in business for 31 years, owned and operated by Steve Rokkas. Steve is personally involved with every project to insure complete customer satisfaction. If you are in need of a full-service HVAC contractor, call Dr. HVAC for reliable, speedy installation at the best prices in the Skokie, IL area. If you are looking for duct work or heating services call Dr. HVAC for the best customer service in the area. Contact us today!

Recommended by92%of homeowners
...
Showing 1-10 of 221
FAQs for central a/c service or repair projects in Round Lake, IL

Coils work to absorb heat into the refrigerant that flows through them, moving heat from one location to another. For air conditioning, the evaporator coil inside the air handler in your home absorbs heat. It then transfers the heat outside to the condenser coil, where it releases it. The opposite process happens for heat pumps. When the coils get dusty and dirty, it reduces how well these components work.

Skip regular cleanings, and dirt, debris, and mineral deposits will blanket your evaporator and condenser coils. When that happens, the coils can’t shed heat efficiently, so the system works harder and your energy bill climbs. Over time, overheating strains the compressor and can trigger a full breakdown—an avoidable repair that often costs far more than a simple annual cleaning.

AC coil cleaning is an investment that pays for itself in the benefits it provides. Dust‑caked coils force your AC to run longer, so you spend more on electricity and rack up extra wear. A quick professional cleaning restores efficiency, trims monthly bills, and eases strain on expensive parts. Over the long haul, that small yearly fee delays pricy repairs and stretches the unit’s lifespan, making coil cleaning one of the smartest HVAC tune‑ups you can schedule.

Watch for higher electric bills, rooms that stay warm no matter how low you set the thermostat, or an AC system that runs nonstop. Extra humidity and frost on the coils are also red flags. Catching these clues early lets you schedule a quick cleaning before the system overworks itself and triggers an expensive breakdown.

Your AC cleaning technician starts by shutting off the power to the unit and removing the faceplate. Compressed air and a vacuum hose blast away loose debris, followed by a coil-safe, no-rinse cleaner that dissolves stubborn grime. After the solution has soaked in, the professional wipes the fins, reassembles the housing, and restores power, leaving the system ready to cool at peak efficiency.

The Round Lake, IL homeowners’ guide to central a/c service or repairs

From average costs to expert advice, get all the answers you need to get your job done.