McNally Heating & Cooling
4.9(2795 reviews)
Recommended
HVAC services in St. Charles, IL
Family Owned24/7 ServiceLicensedSame Day ServiceTop RatedLocally Owned
Response: 1 Hour
Accepts: Cash, Debit Card, Credit Card, Check +1 more
Why Good Neighbor Recommends McNally Heating & Cooling
Over 25 years serving Geneva with experienced technicians. Praised for honesty, knowledge, and no hidden fees.
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4.9
2,795 total reviews
Ratings by Platform
Google4.9(2,593 reviews)
Yelp4.5(87 reviews)
Facebook
5.0(115 reviews)
About McNally Heating & Cooling
McNally's Heating and Cooling is a family-owned and operated HVAC company headquartered in St. Charles, Illinois, with over 25 years of experience serving residential and commercial customers across Kane County and Chicago's western suburbs. Their full range of services includes heating and furnace repair, air conditioning installation and maintenance, air duct cleaning, air purification, and 24/7 emergency HVAC service.
Recognized as a trusted leader in the industry, McNally's has been voted Best of the Fox for Heating and A/C in Kane County four years running (2021–2024) and is a three-time Angie's List Super Service Award winner. They are a Lennox Premier Dealer and maintain a 4.9-star rating on Google with over 1,000 reviews. Their service area spans more than 60 communities including Geneva, Wheaton, Naperville, Glen Ellyn, and the surrounding Tri-Cities region.
Photos
5 photos of McNally Heating & Cooling
Business Info
Experience
25 years in business
Protection
Licensed & Insured
Hours of Operation
Open Now
Open 24 hours
Monday(Today)Open 24 Hours
TuesdayOpen 24 Hours
WednesdayOpen 24 Hours
ThursdayOpen 24 Hours
FridayOpen 24 Hours
SaturdayOpen 24 Hours
SundayOpen 24 Hours
Frequently Asked Questions
Common questions about McNally Heating & Cooling
Yes, McNally provides 24/7 emergency HVAC service. If your furnace goes out on a cold winter night or your AC fails during a summer heatwave, their technicians are available around the clock to respond to urgent heating and cooling emergencies in the Geneva area.
Certifications & Accreditations
BBB
Better Business BureauA+
Accredited Business
Contact & Location
Phone
(630) 879-8000Website
Visit WebsiteView on Google Maps
3491 Swenson Ave, St Charles IL 60174
Service Area
McNally Heating & Cooling proudly serves 5 communities
Service Area
Areas Served
Geneva, ILSt. Charles, ILBatavia, IL
About McNally Heating & Cooling
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