McNally's Heating and Cooling
McNally's Heating and Cooling is a HVAC provider serving Bartlett, IL. Rated 4.9★ with 2,653 Google reviews. See services, review signals, and request a quote.
HVACBartlett, IL
On this page
Company overview
- TradeHVAC
- Service areaBartlett, IL
- Google rating4.9★ (2,653 reviews)
- Phone(630) 363-9067
- Address3491 Swenson Ave, St. Charles, IL 60174, USA
Photos
Photos from McNally's Heating and Cooling, War Bot 3000, James Crockett
What customers say
“Russ, thanks for all your help. We weren’t sure what to expect going through Costco, especially given the circumstances of our emergency situation. Luckily, they choose to exclusively work with a 4.…”
“We had a free estimate with Russ for central AC installation and furnace replacement. He was clear, personable, and very knowledgeable. He offered an incredibly reasonable financing plan for such a bi…”
“In late 2025 our HVAC system started acting up and we decided it was time to replace our 20 year old unit. We contacted McNallys and everything from the service of our old unit to the consultation for…”
“We’re very happy with the entire McNally’s process for our furnace replacement. Mark handled the initial proposal and was great to work with — knowledgeable, thorough, and helpful throughout. Garett a…”
“Thermostat went out… humidifier wasn’t working…blue light bulb and ballast was not working….Esteban was professional, personal, fast, efficient, friendly, thorough, and excellent at his craft. Nothing…”
Key highlights
Strengths
- Highly rated (4.9★ average)
- Large review volume (2,653 reviews)
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does McNally's Heating and Cooling offer?
McNally's Heating and Cooling provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Bartlett, IL.
What is McNally's Heating and Cooling's rating?
McNally's Heating and Cooling has a 4.9 out of 5 star rating based on 2,653 Google reviews.
Is this company licensed in Illinois?
All listed providers have a verified Illinois contractor license at time of publication. You can verify on the Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) lookup at https://online-dfpr.micropact.com/Lookup/LicenseLookup.aspx.
Does McNally's Heating and Cooling offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-22. Reviews refreshed 2026-04-22.
Licensing data: Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) · Company data: verified business records + Google Business profile
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