HVAC Installation
By Williams Heating and Air
Williams Heating and Air is your trusted local expert for HVAC installation near Steeleville, IL. Our experienced technicians will assess your home's unique heating and cooling needs and install a high-quality Carrier system designed to keep you comfortable and energy efficient. We take pride in providing precise installations, ensuring your system runs smoothly and reliably for years to come. Whether you're upgrading an old unit or installing a new system, count on us for dependable service and customized solutions to keep your home comfortable year-round.
What Does The Process Look Like?
Book an Appointment
To start the process, book an appointment for HVAC installation with us by scheduling online or giving us a call.
Evaluation & Estimate
We will assess your home’s layout and cooling needs to recommend the ideal HVAC system. We will provide a detailed estimate outlining the equipment options and costs to ensure the right fit for your comfort and budget.
Perform Installation
A certified technician will install your new HVAC system, ensuring it’s set up for optimal efficiency and performance. They will handle every detail with care, from equipment placement to system calibration, ensuring your home enjoys reliable comfort year-round.
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.
AC Repair & Service
We offer professional AC repair and service to keep your air conditioner running efficiently and reliably. Our technicians diagnose issues, perform necessary repairs, and ensure optimal performance for your home’s comfort.
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.
Trusted HVAC Professional in Steeleville
Verified PurchaseI 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)
Verified PurchaseCarriers 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)
Verified PurchaseVery 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)
Verified Purchasevery pleased
May 12, 2022
fast, professional service. very easy to work with
David
Expertise (5)
Service (5)
Solve Problems (5)
Verified PurchaseCarrier 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)
Verified PurchaseFriendly, 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)
Verified PurchaseExcellent 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)
Verified PurchaseGreat 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)
Verified PurchaseVery impressed
March 09, 2021
Was very impressed that he looked for rebates for me.
Brian
Expertise (4)
Service (4)
Solve Problems (4)
Verified PurchaseGreat people to work with
December 14, 2020
professional experienced crew
Don
Expertise (5)
Service (5)
Solve Problems (5)
Verified PurchaseExcellent
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)
Verified PurchaseExcellent.
October 01, 2019
Very professional
FLOYD
Expertise (4)
Service (5)
Solve Problems (4)
Verified PurchaseExcellent
August 08, 2019
Overall great experience
DENNIS
Expertise (5)
Service (5)
Solve Problems (5)
Verified PurchaseAwesome!
July 22, 2019
Fast and friendly service
ERIC
Expertise (5)
Service (5)
Solve Problems (5)
Verified PurchaseNew System (June '19)
June 14, 2019
Professional, clean, no disturbance, thorough
Tom
Expertise (5)
Service (5)
Solve Problems (5)
Verified PurchaseNew 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)
Verified PurchaseGerald 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)
Verified Purchasereplaced 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)
Verified PurchaseNew system
June 20, 2018
Thank you for installing new system so quickly!
PATTY
Expertise (5)
Service (5)
Solve Problems (5)
Verified PurchaseLove 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)
Verified PurchaseKnowledgeable, 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)