4.7 
705 *The Angi rating for Heating And Air Conditioning Service companies in Hillside, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Hillside, IL is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
Last update on February 19, 2025
Serving Hillside, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2002
Free estimates
Warranties offered
"The technician did a very good job cleaning the hvac ducts."
+81
Serving Hillside, IL and surrounding areas
Approved
In business since 1972
Free estimates
Emergency services offered
"Highly recommend. Found this company last year on Angie's List and this is the second time using them. I was in a pinch as the A/C went out and we have a little baby. I called and they got someone out the same day. Jeff was great...knowledgeable, friendly and answered a lot of questions! Got the unit working again! These are my go-to HVAC guys!"
Serving Hillside, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2014
Free estimates
Emergency services offered
"professional & courteous service. Explained what they were doing and how to improve my HVAC system"
+1
Serving Hillside, IL and surrounding areas
Approved (Corporate)
In business since 1992
Emergency services offered
Warranties offered
Precision Today is a trusted multi-trade contractor with a expert technicians specializing in HVAC services for residential properties. We deliver fast, safe, and reliable solutions—backed by same-day service.\n\nOur HVAC services include heating and cooling system installation, furnace and AC repair, seasonal maintenance, ductwork services, thermostat upgrades, and energy-efficient system replacements. Whether you need a quick repair or a full system upgrade, our technicians work with precision and attention to detail to keep your home or business comfortable year-round.\n\nWith locations in Carol Stream, West Chicago, Grayslake, Palatine, Franklin Park, and Naperville, we provide efficient coverage across the surrounding Chicago suburbs—allowing us to respond quickly and keep your project moving.\n\nIf you’re looking for a responsive, professional contractor who prioritizes safety, speed, and quality, Precision Today is ready to help—often the same day you call.
+49
Serving Hillside, IL and surrounding areas
Approved
In business since 2016
Free estimates
Credit card accepted
"Rob was knowledgeable, attentive and provided great service. I ve already recommended him to my friends and family and would encourage the same to anyone who needs any HVAC work."
Serving Hillside, IL and surrounding areas
Approved (Corporate)
In business since 1971
Free estimates
Emergency services offered
"Everyone from the sales person to installers were great. I love our new HVAC system!"
Serving Hillside, IL and surrounding areas
Approved
Super Service Award Winner
In business since 1998
Emergency services offered
Warranties offered
"Amer did a wonderful job with our electrical and HVAC needs. He was quick and punctual and very professional! Would highly recommend."
+9
Serving Hillside, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2017
Free estimates
Emergency services offered
"United HVAC installed new furnace and new central Air and most recently new hot water heater. That being said I trust the company and their technicians they do the job right. Communication and outstanding service from everyone. Extremely happy. Thank you United HVAC."
+25
Serving Hillside, IL and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"Sam reviewed my HVAC issue, completed the work on time and without incident. He explained everything clearly and his quote was fair and honest. I have saved his contact info, I now have a dependable HVAC Guy!"
Serving Hillside, IL and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"From the time I met Ron to give me an estimate, he was extremely professional. He was detailed in his explanations and his pricing on the new units were hands down the best as I got a multitude of estimates for comparable units. The day of the installation went smooth as well with no hiccups or surprises. Ron got all the warranties, receipts and certificates I needed in a timely manner for my application for rebates with the utility companies. With a lot of the other HVAC companies, I felt like a car salesman was in my home trying to get the most out of the sale, Ron however is an honest business man who you can trust.
"
+7
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