123 Mechanical
123 Mechanical is a HVAC provider serving Mchenry, IL. Rated 5.0★ with 5 Google reviews. See services, review signals, and request a quote.
HVACMchenry, IL
On this page
Company overview
- TradeHVAC
- Service areaMchenry, IL
- Google rating5.0★ (5 reviews)
- Phone(815) 800-3279
- Address5706 Landcaster Cir, McHenry, IL 60050, USA
Services offered
- installation
- repair
- inspection
Photos
Photos from 123 Mechanical
What customers say
“I'm a local insurance broker. I refer my clients to Jim at 123 Mechanical. He is always timely, honest, and seems like a genuine person, always looking out for the best interest of the customer. I hig…”
“Due to water seepage my electric panel was destroyed. I called Jim on Friday and he was over on Saturday to diagnose the problems. He noted that a new pane was needed and that it would take about a we…”
“Jim and the team at 123 mechanical are top notch. They helped me with electrical work for a basement remodel, which was fairly extensive and included installation of 220v for an electric stove. They …”
“Top quality service & Honest! They came out diagnosed my furnace issue in short time. Luckily it was only a fuse which was a cheap fix. Nice to see there are still honest people out there. I was expec…”
“Great service that was professional and affordable. I highly recommend them to anyone who may need to replace their HVAC system.”
Key highlights
Strengths
- Highly rated (5.0★ average)
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 123 Mechanical offer?
123 Mechanical provides: installation, repair, inspection. They serve residential and commercial customers in Mchenry, IL.
What is 123 Mechanical's rating?
123 Mechanical has a 5.0 out of 5 star rating based on 5 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 123 Mechanical 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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