McNally's Heating and Cooling
McNally's Heating and Cooling is a HVAC provider serving Saint Charles, IL. Rated 5.0★ with 130 Google reviews. See services, review signals, and request a quote.
HVACSaint Charles, IL
On this page
Company overview
- TradeHVAC
- Service areaSaint Charles, IL
- Google rating5.0★ (130 reviews)
- Phone(815) 344-0400
- Address150 S Virginia Rd #4, Crystal Lake, IL 60014, USA
Photos
Photos from McNally's Heating and Cooling, Brian McNally
What customers say
“We woke up to a cold house and knew the furnace was not working. One phone call later we had a technician scheduled . Even though it was a weekend we had someone here in less than 90 minutes. Our tec…”
“My furnace went out unexpectedly this week. Thankfully McNally's has emergency services and called in Ociel. He showed up close to 8pm, was extremely polite, courteous, and had a diagnosis quickly. Un…”
“I’m a first time customer & will be forever. The customer service & response time was like no other in my experience. We all dread waking up this time of year & having no heat. I called the emergenc…”
“Rigo was wonderful! My service was fast, and very affordable. He took time to explain the problem, how he fixed it, and how to prevent it in the future. They came out within hours of me calling for…”
“When my longtime HVAC company was closed I dreaded looking for a new one so I'm glad my neighbor suggested McNally's in Crrystal Lake. I spoke with Ariel who explained services, prices, & scheduled an…”
Key highlights
Strengths
- Highly rated (5.0★ average)
- Large review volume (130 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 Saint Charles, IL.
What is McNally's Heating and Cooling's rating?
McNally's Heating and Cooling has a 5.0 out of 5 star rating based on 130 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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