4.7 
1.2k+ *The Angi rating for Heating And Air Conditioning Service companies in Saint Charles, 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 Saint Charles, 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 July 12, 2025
Serving Saint Charles, 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 Saint Charles, 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 Saint Charles, IL and surrounding areas
Approved
Super Service Award Winner
Free estimates
Emergency services offered
Warranties offered
"HVAC machine outside wasn’t working. Ricardo ? was so good at explaining & suggesting his expert ideas. There was a mouse & nest inside the machine & wires were severed. He removed the critter & nest & repaired the wires. All is working again. What a great guy he is!!"
+20
Serving Saint Charles, IL and surrounding areas
Approved
In business since 2003
Free estimates
Emergency services offered
"Kyle came to inspect my condo's HVAC. He was punctual, friendly and professional. I'm a new homeowner and he patiently answered all my questions about this stuff! I couldn't get access to the ac on my roof, so he didn't get to look at that but he spent a lot of time making sure my furnace was cleaned and in good order and looked at the air vents. He found a small gas leak on the furnace and sealed it up for me, thankfully. I will definitely contact them again for anything HVAC related!"
Serving Saint Charles, 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 Saint Charles, IL and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"Anthony is a skilled, experienced HVAC technician. He started this business from scratch and has worked hard to build it and grow it in a very short time. His success speaks to the quality of the work he does and the service he provides."
+21
Serving Saint Charles, IL and surrounding areas
Approved
In business since 2016
Free estimates
Credit card accepted
"Rob and his team are the best around. I ve been using EE HVAC since my first home purchase back in 2012 and haven t called anyone else. Highly recommend Rob and his team!"
Serving Saint Charles, 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 Saint Charles, IL and surrounding areas
Approved
In business since 2019
Emergency services offered
Warranties offered
"Richard did a great job and he made sure my HVAC system is working properly. He kept me informed of everything my system needed and cleaned everything once the job was done. I’m very happy with his service and I’ll call him again anytime I need service for my HVAC."
+14
Serving Saint Charles, IL and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
"He is very patient in fixing my furnace. There were multiple fix he did and now my furnace is working as I wanted it. Other HVAC contractors were unable to fix, but he was able to get the job done."
From average costs to expert advice, get all the answers you need to get your job done.
A central air system is great for someone looking to cool and heat their home all year round. Even if your home uses baseboard heating, you can still make the switch. Read on to learn more about adding central air to a baseboard-heated house.
Try these 12 top tips to keep your air conditioner working at maximum efficiency. Stay cool, and minimize energy costs with this expert air conditioning advice.
Learn how to save money on air conditioning costs this summer by following this handy guide all about your favorite cooling system.
Is it time for a new cooling system for your home? Check out this guide to get a head-to-head comparison of heat pump vs. air conditioner systems.
Air-source heat pumps are an energy-efficient way to heat and cool your home. Learn the pros and cons of this heating method.
Retrofitting your house for AC is, surprisingly, not too hard. Here’s what you’ll need to consider to make it happen.
