Top Smart Thermostat Installation And Replacement Services in Granite City, IL

Very honest and reasonably priced

My landlord called quality heating and cooling and they came to my house quickly and had the issue resolved in an hour, which was a huge relief because I have a small child and they had that AC up and running in no time flat

We needed a replacement heating and cooling unit in our sunroom. As usual Quality was prompt in getting in the necessary equipment and installing it. Malcolm did a great job and took time to explain both the warranties and how the unit works.

We had our semi-annual clean and check on our system and not only was the Technician extremely informative answering all of my questions, I felt at ease knowing our system still has a few more years left on it and we won't be needing to replace it this su...

Used Quality Heating & Cooling to update our builder's grade heating and cooling system. The owner came to our house and listened why we wanted to replace the system we had and came up with 2 or 3 options for us. We never felt pressured to purchase one ...

Quality Heating and Cooling is a very clean and thorough company. Their service is great and they seem to pride theirselves on preventative maintenance. With their service plan they like to find problems with your furnace or air condition before its in th...

Professional, reliable, and trustworthy. Nice folks.

Furnace went out on a Tuesday 1/4/22. Called 4 different places to come out Wednesday. Heritage came out and gave me a quote on a new furnace and recommended replacing air conditioning coils as well. After reviewing pricing and financing options we went w...

Excellent work quality. Excellent value. Would recommend.

The technician arrived on time, was very neat and clean, and very professional. I will always use Mister Sparky for all my electrical needs.

While the electrician arrived on time and was clean and courteous the pricing was very high and we unfortunately could not agree to purchase their services. Over $500 for an estimated 2 hour job, requiring only $40 of materials from the vendor!

While the electrician arrived on time and was clean and courteous the pricing was very high and we unfortunately could not agree to purchase their services. Over $500 for an estimated 2 hour job, requiring only $40 of materials from the vendor!

I hired this company to install an exterior basement door, which they did. They did not, however, bring enough materials to finish the job. I finished caulking and resetting the lock so my door would close all of the way. I asked them if they could ins...