McNally's Heating and Cooling

McNally's Heating and Cooling Furnace and Air conditioning repair and service serving west chicagoland Residential is our specialty and we do some light commercial. No job too small.

Done right from start to finish from furnace installation to furnace repair we will take care of all your heating and cooling or HVAC needs! From our products, to the level of customer service you receive, with McNally's Heating and Cooling we want to make you're happy because that's what makes us happy! If you are in the western suburbs in Kane county and need a furnace or air conditioning repair

, we can take care of all your HVAC needs. We provide top notch service and have been recognized with awards for our customer service. We do it all. Geneva, St Charles, and Batavia Illinois. Call today for a FREE estimate.

Happy Labor Day!Today, we celebrate the hard work and dedication of workers everywhere. We hope everyone enjoys a safe, ...
09/07/2026

Happy Labor Day!

Today, we celebrate the hard work and dedication of workers everywhere. We hope everyone enjoys a safe, relaxing, and well-deserved holiday weekend!

From all of us at McNally’s, Happy Labor Day! ❤️🤍💙

🚨🔥 THEY RUN INTO THE HEAT. WE KEEP THEM COOL. ❄️When the temps rise, firefighters don’t slow down. So McNally’s pulled u...
09/05/2026

🚨🔥 THEY RUN INTO THE HEAT. WE KEEP THEM COOL. ❄️

When the temps rise, firefighters don’t slow down. So McNally’s pulled up to the West Chicago Fire Department to make sure the crew stays cool while they protect our community. 🚒💪

Respect the ones who run toward the heat. 🫡🔥
✅Thanks to our Service Tech Tyler Johnson for the 📸 and getting these guys cooled down!

BeatTheHeat CommunityStro

09/04/2026

Who needs an iced coffee when you have HVAC equipment? 🤣🔧

🎨🍀 There’s some serious talent on our Clover Crew!Our very own Destinee showed off her creative side with this incredibl...
09/03/2026

🎨🍀 There’s some serious talent on our Clover Crew!

Our very own Destinee showed off her creative side with this incredible St. Charles painting, and we couldn’t love it more! 💚👏

If you’re heading out to enjoy the St. Charles fireworks tonight at dusk, be sure to check out the banners from the St. Charles Arts Council at Mt. St. Mary Park and see Destinee’s work on display!

A pretty awesome way to kick off the Labor Day holiday weekend. Great job, Destinee, we’re lucky to have you on the team!

👀 I SPY McNally's! 💚🚐When you spot McNally’s vans in the neighborhood… and a Comfort Advisor too, you know we’re keeping...
09/02/2026

👀 I SPY McNally's! 💚🚐

When you spot McNally’s vans in the neighborhood… and a Comfort Advisor too, you know we’re keeping the whole block comfortable! 🔥❄

Helping one neighbor with service and another find the right comfort solution for their home. Trust your Neighbors...🏡

We’re in your neighborhood. We’re local. And we’re here to help! ☘️

📞 Need us next? Give McNally’s a call! 630-363-9067 or 815-314-0400
www.mcnallyhvac.com

🔧 Technician Tuesday Spotlight: Sebastian 🔧This week we’re recognizing Sebastian after receiving a ⭐⭐⭐⭐⭐ review from Joe...
09/01/2026

🔧 Technician Tuesday Spotlight: Sebastian 🔧

This week we’re recognizing Sebastian after receiving a ⭐⭐⭐⭐⭐ review from Joe M:
“Sebastian did an excellent job removing our old baseboard heaters. Then made sure our system was up and running!”

👏 Thank you, Joe, for the great review and thank you, Sebastian, for delivering quality service and making sure everything was running properly!

📞 630.363.9067
🌐 www.mcnallyhvac.com

ThankYouSebastian

08/31/2026

HVAC technology has come a LONG way. 👀 From variable-speed fans and staged heating & cooling to humidity control and smarter thermostats—today’s systems can do more than you might think.

🎙️ Listen to the Founders Podcast where Brian McNally shares insight on what’s new in HVAC, how the industry is changing, and more behind-the-scenes conversation!

▶️ https://www.youtube.com/watch?v=sDyGhuQ8mj4

08/29/2026

🏠 Did you know nearly 70% of the HVAC market is owned by private equity?
So, is that a good thing or a bad thing for homeowners? 👀

At McNally’s, we’re proud to be locally owned and operated. Our focus is our customers, their homes, and their comfort. 🍀

🎥 Watch to learn why who owns your HVAC company matters.
https://www.youtube.com/watch?v=sDyGhuQ8mj4

08/28/2026

And just like that… they’re one of us. 🦁😂🔧

💧 Feeling a little too much humidity inside your home?High indoor humidity doesn’t always mean something is wrong with y...
08/27/2026

💧 Feeling a little too much humidity inside your home?

High indoor humidity doesn’t always mean something is wrong with your HVAC system! Extended hot, humid or rainy weather can bring more moisture into your home than your A/C can remove while keeping you comfortable.

If your home is feeling a little too sticky, McNally’s can help make sure your system is operating properly and recommend solutions for better humidity control. ☘️🏠

👉 Learn more about indoor humidity and what you can do about it on our blog:
https://mcnallyhvac.com/tips-advice/why-is-my-home-so-humid/

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3491 Swenson Avenue
Saint Charles, IL
60174

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