Edward C.
4/24/2025
The days of friendly service are not over; at least where McNally's Heating and Cooling is concerned. From the installation to a bit of tweaking of my new system it has been one good experience...
McNally's Heating and Cooling
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3491 Swenson Ave
Saint Charles, IL 60174
McNally's Heating and Cooling is a full service heating, ventilation, and air conditioning contractor located in St. Charles, Illinois. With over 20 years of experience, McNally’s Heating and Cooling prides itself on quality workmanship and customer satisfaction. Our services include the following:
-Air conditioning installs and repairs
-Furnace installs and repairs
-Boilers
-Humidifiers and air cleaners
-Residential and commercial
No matter how big or small your project may be, McNally’s Heating and Cooling is here to help you with all your heating and cooling needs. We are a Trane authorized factory dealer and guarantee our work. Contact us today for honest, upfront pricing!
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Reviews
4.578 reviews
Russell H.
7/11/2025
I am amending my review. They are doing their best to make it right and getting the job done to the high standard that I expected from such an old and trusted company. Salesman Russ and Mr...
Kalvin K.
6/29/2025
Order for new base Lennox condenser and coil w/install $6319. McNallys installed and unit is nonfunctional. Ice and water damage on unit and flooding within a day of install. Unable to send same...
Fred M.
8/21/2025
Couldn't be happier with McNally's! Russ is the best. Needed a new AC unit in the midst of a 90 degree stretch. Took care of us quickly and efficiently. Did an outstanding job. We got both...
Joy D.
8/15/2025
Our AC suddenly stopped supplying cool air and Dan came promptly, found the issue right away (the breaker had corroded, cutting off electrical supply), made a trip to the distribution center, and...
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