Air Conditioner Repair & Service
By Williams Heating and Air
Williams Heating and Air is your trusted local expert for air conditioner repair and service near Steeleville, IL, We specialize in keeping your home comfortable with fast, reliable AC solutions. Our skilled technicians are trained to handle all makes and models, ensuring your AC runs efficiently year-round.
What Does The Process Look Like?

Book an Appointment
To start the process, book an appointment for air conditioner repair and service with us by scheduling online or giving us a call.

Evaluation & Estimate
During your appointment, a certified technician will thoroughly evaluate your air conditioner to diagnose any issues. After the inspection, they will provide a detailer estimate outlining the necessary repairs and costs before proceeding with any work.

Perform Service or Repair
Necessary repairs or service are performed to restore your air conditioner’s efficiency and performance. A certified technician will use professional tools and high-quality parts to ensure reliable operation and long-lasting results.
Other Services We Provide

Furnace Repair & Service
We provide professional furnace repair and service to keep your heating system operating at peak performance. Our certified technicians can identify problems, perform necessary repairs, and fine-tune your system to keep you comfortable all year long.

HVAC Maintenance
We provide annual HVAC maintenance to keep your heating and cooling system running efficiently year-round. Regular tune-ups help prevent breakdowns, can improve energy efficiency, and extend the lifespan of your heating and cooling equipment.

HVAC System Installation
Let us ensure reliable comfort and energy efficiency for your home with professional HVAC system installation. We offer high-quality Carrier equipment, precise HVAC installation, and customized solutions to meet your heating and cooling needs.
Trusted HVAC Professional in Steeleville
I would never us any other dealer
April 03, 2025
they installed my home unit about 15 years ago. they did such a good job I started using them to install all the units on our tow boats and they install the units on all the new boats that we are building
Robert
Expertise (5)
Solve Problems (4)
Service (5)
Carriers heat and a/c
December 19, 2023
Carrier is a Excellent unit and Williams heating and air conditioning is a great company to do business with.very knowledgeable and their professionalism is excellent
Tom
Expertise (5)
Service (5)
Solve Problems (5)
Very professional and completed in a timely manner!
August 22, 2023
Very professional and completed in a timely manner!
Charlie
Expertise (5)
Service (5)
Solve Problems (5)
very pleased
May 12, 2022
fast, professional service. very easy to work with
David
Expertise (5)
Service (5)
Solve Problems (5)
Carrier purchase and installation
November 08, 2021
Excellent, very thorough on installation and clean up after done. Most impressed with knowledge of the system and their recommendations on appropriate settings for most efficient use.
Brad
Expertise (5)
Service (5)
Solve Problems (5)
Friendly, Caring, Professional, The ones to call for all your heating and cooling needs.
June 29, 2021
Our A.C. went out the end of May, and we were expecting company comming in the first week of June. Terry Nagel worked us in their busy schuldule and put in a new system in before our company arrived. . The workers were very professional and explained the unit evry well, they also cleaned up everything so there was no mess left for us to clean up. Great Job!
ANDY
Expertise (5)
Service (5)
Solve Problems (5)
Excellent Service
June 28, 2021
Terry and team did an excellent job with establishing a system that fit our needs. They were very helpful to help keep us cool until the system was installed. The crew leader was very helpful ensuring the team was productive and helpful. A great experience!
STEVE
Expertise (5)
Service (5)
Solve Problems (4)
Great company to work with!
May 27, 2021
Terry and his guys always take care of my home and business in a great way!
RENEE
Expertise (5)
Service (5)
Solve Problems (5)
Very impressed
March 09, 2021
Was very impressed that he looked for rebates for me.
Brian
Expertise (4)
Service (4)
Solve Problems (4)
Great people to work with
December 14, 2020
professional experienced crew
Don
Expertise (5)
Service (5)
Solve Problems (5)
Excellent
June 30, 2020
Williams always does an excellent job with service and installation. They are always great to work with.
Kristen
Expertise (5)
Service (5)
Solve Problems (5)
Excellent.
October 01, 2019
Very professional
FLOYD
Expertise (4)
Service (5)
Solve Problems (4)
Excellent
August 08, 2019
Overall great experience
DENNIS
Expertise (5)
Service (5)
Solve Problems (5)
Awesome!
July 22, 2019
Fast and friendly service
ERIC
Expertise (5)
Service (5)
Solve Problems (5)
New System (June '19)
June 14, 2019
Professional, clean, no disturbance, thorough
Tom
Expertise (5)
Service (5)
Solve Problems (5)
New system purchased.
December 18, 2018
Williams heating and cooling has been servicing my htg/clg system for many years, I know the kind of service I will receive if needed. When called they respond in a timely manner. When deciding to replace my heating/cooling system, I considered the service I have receive and the reliability of the equipment, which made the decision much easier. I know the reputation of the company.
Harold
Expertise (5)
Service (5)
Solve Problems (5)
Gerald Speith Survey Satisfaction-Great
October 27, 2018
Terry Williams is an amazing business professional. The technicians who installed the system were very professional and considerate. Great Job!
Gerald
Expertise (5)
Service (5)
Solve Problems (5)
replaced HVAC
August 24, 2018
They put the original system in 18 years ago. It was time to update.
GREG
Expertise (5)
Service (5)
Solve Problems (5)
New system
June 20, 2018
Thank you for installing new system so quickly!
PATTY
Expertise (5)
Service (5)
Solve Problems (5)
Love the new unit does a fantastic job.
May 26, 2018
The guys were very professional and knowledgeable. They did a very neat job and did the job in the time they said it would take,
Dale
Expertise (5)
Service (5)
Solve Problems (5)
Knowledgeable, organized, job well done
May 09, 2018
Furnace and air conditioning unit, with top of line thermostat
Gary
Expertise (5)
Service (5)
Solve Problems (5)
