Top-rated air conditioning pros.

Get matched with top air conditioning pros in Willowbrook, 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.

Top-Rated Air conditioning pros in Willowbrook - Updated Nov 2026

Avatar for Porterhouse Heating & Cooling
Porterhouse Heating & Cooling
4.8(
219
)
Central A/C - InstallCentral A/C - Service or RepairCentral Air Cleaner - Install or Replace+4 more

Serving Willowbrook, IL and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"My overall experience with Porterhouse Heating & Cooling was very good. I called and requested same-day service due to a gas leak. Porterhouse Heating & Cooling came out that day, replaced the shut-off ball valve, and tested the system after the repair was complete. Also Porterhouse Heating & Cooling ensured the tankless water heater was operable since gas to the house had been shut-off due to the gas leak. Additionally, I had them to conduct my annual preventative maintenance on both furnaces. This was my third (3rd) time using Porterhouse Heating & Cooling. I find them to be responsive, knowledgeable, and customer-focused."
Work truck
Certification
Business card
Response time9 hrs
17 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Home Comfort Systems Inc
Home Comfort Systems Inc
4.9(
315
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Willowbrook, IL and surrounding areas

Approved

In business since 1972

Free estimates

Emergency services offered

"The owner, Steve, came out and explained everything and more that I should be aware of regarding the replacement of the 26 year old furnace and Air conditioning units. He was a pleasure to work with and the price quote was more than acceptable. I did accept and within the week the crew arrived to do the installation. Al and Damien were very professional and the work was extremely well done. They finished that same day and when they left it was if the new units had always been there. I was extremely impressed and will certainly go back to them for future maintenance. You can't go wrong with this company!"
Additional Photos
Response time8 hrs
Response rate100%
8 neighbors recently requested a quote
Avatar for VENT HEATING & COOLING INC.
VENT HEATING & COOLING INC.
4.8(
46
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+6 more

Serving Willowbrook, IL and surrounding areas

Approved

In business since 1979

Free estimates

Emergency services offered

"Jim and his son Emmanuel performed the most detailed pre estimate evaluation of our Air Conditioning Replacement needs. Their installers were very professional and efficient. Vent has done work at my wife's office and for our home. We received competitive pricing and quality workmanship. We recommend them highly. Dan and Terry Nimtz Lemont, Il"
Additional Photos
Additional Photos
Response time9 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for G & R Heating & Air
G & R Heating & Air
4.6(
139
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Willowbrook, IL and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Warranties offered

"Excellent experience from start to finish! The technicians arrived on time, cleaned our air ducts thoroughly, and serviced our heating system perfectly. The air quality improved instantly. Professional, friendly, and extremely reliable service overall."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+20

Response time11 hrs
Response rate100%
149 neighbors recently requested a quote
Avatar for Four Seasons Heating & Air Conditioning
Four Seasons Heating & Air Conditioning
4.3(
3,300
)
Central A/C - InstallDuctless Mini-split A/C - Install or ReplaceCentral A/C - Install - For Business+12 more

Serving Willowbrook, IL and surrounding areas

Approved (Corporate)

In business since 1971

Free estimates

Emergency services offered

"We had a great experience with Four Seasons Heating & Air Conditioning during our recent replacement of our furnace and AC unit. They were very professional and completed the job on time and answered all of my questions. Would recommend them for our Heating, Air Conditioning, Plumbing and Electrical needs."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Response time9 hrs
44 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for G & R Heating and Air, LLC
G & R Heating and Air, LLC
4.6(
1,164
)
Central A/C - Service or RepairCentral Humidifier - Install or ReplaceCentral A/C - Service or Repair - For Business+2 more

Serving Willowbrook, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"This business is the company that bought the older Barrington Heating and Air Conditioning. I have relied on Barrington to service my house furnace and A/C for more than 50 years. They have come to my rescue more than once. My service technicians have become friends, not just repair people."
New 16 seer A/C
Old A/C
Old furnace
New Furnace
Water heater Installation

+1

Response time2 hrs
Response rate91%
211 neighbors recently requested a quote
Avatar for AL'S Cooling & Heating
AL'S Cooling & Heating
5.0(
10
)
Central A/C - InstallCentral A/C - Install - For BusinessCentral A/C - Service or Repair+12 more

Serving Willowbrook, IL and surrounding areas

Approved

Customers say: True professional

"I am in the Construction Industry & I found Al’s Heating and Cooling to be above and beyond all other HVAC contractors that I have dealt with. I highly recommend them to all of my friends, family and colleagues."
New Rheem Furnace
Navien high-efficiency tankless water heater install.
Weil McLain cast iron sectional boiler install.
Weil McLain cast iron sectional install.
New Rheem Furnace

+11

Response time2 days
Response rate100%
8 neighbors recently requested a quote
...
Showing 1-10 of 576

FAQs for air conditioning projects in Willowbrook, IL

Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.

Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.

Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.

Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.

Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.

The Willowbrook, IL homeowners’ guide to air conditioning services

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