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Business ProfileHVAC Companies in Rockford, Illinois

Complete Mechanical Solutions

Listed in Rockford 4.60 (47 reviews)(815) 217-2657

Complete Mechanical Solutions

Complete Mechanical Solutions is an HVAC contractor serving Rockford and surrounding areas. It also offers packages combining indoor-air-quality testing with UV sterilization.

Last Updated October 2, 2026.

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Business Highlights
  • The company is locally, family- and woman-owned.
  • Its technicians are union-trained.
  • Warranties are available.
  • Free estimates are available for commercial heating services.
  • Commercial air-conditioner repair work carries a 100% satisfaction guarantee.
Service Area

Rockford, Belvidere, Byron, Caledonia, Cherry Valley, Davis Junction, Durand, Loves Park, Machesney Park, Monroe Center, Pecatonica, Poplar Grove, Rockton, Roscoe, South Beloit, Stillman Valley, Winnebago and Beloit, Wisconsin.

Active Business Listing

Complete Mechanical Solutions is one of 10 HVAC companies ProsGrade lists in Rockford, Illinois.

Active
Public local listing
Listing details

6 services listed, including Commercial heating, Commercial cooling and Residential heating. Open weekdays, closed on weekends. Rated 4.6 from 47 reviews.

  • Verified listing details
  • Service information
  • Customer review signals
  • Photo gallery
  • Public contact information
  • Published local profile

How This Business Compares

How Complete Mechanical Solutions compares with the other 9 HVAC companies on ProsGrade in Rockford, using public Google ratings and review counts.

  • One of 10 Rockford HVAC companies on ProsGrade.

Services Covered

6 services
  • Commercial heatingEquipment installation, repairs and maintenance
  • Commercial coolingNew equipment installation and existing AC repairs
  • Residential heatingHeating-unit installation, repairs and maintenance
  • Residential coolingAnnual tune-ups and inspections
  • Industrial HVACInstallation, repairs and maintenance
  • Ventilation and ductworkDuctwork installation, repair and maintenance

Reviews

What customers say

Customers praise the team's professionalism and quick response. One customer reports having a new furnace by day's end after an 8 a.m. call; another valued a technician's plain-language explanation of what needed to be done and why.

Customer Reviews

Ed Pillow

Kayla,Mike,Christian, Eddy,Tyler, great team work all professional , polite . Tech”s on time , no mess around work area , good clean up. Kayla supper nice on phone set everything up. Christian very polite dropping off material. Mike , knew exactly what I needed & fair. Eddy & Tyler two good techs , trusting. No worries stress free . Big thanks E.P.
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Susan E

CMS is professional, knowledgeable, and quick to the rescue. When my old furnace died in the night, I called CMS at 8am and had a new furnace by end of the day. The two technicians they sent are my heros.

Patrick Tkachuk

They’ve done duct work and replaced an AC at our house and the entire team is fantastic to work with. Eddie, Mike, Tyler, Blake, and Dave were all very professional in our home and Kayla is fantastic to work with over phone and email.

Nick Anderson

Extremely happy with CMS and their ability to get my residential air going again. Dave who came out to diagnose and fix the AC had 50 years of experience! He had an old school mechanic vibe and explained things in an easy to understand method to ensure that I knew what had to be done and why. Kayla also did a great job with scheduling on the phone. Response time was same day, price was fair, and service was great. Highly recommended.
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Tarun Johnson

DR.Eddie, that’s what I called him came to the rescue. My furnace was sick.??He was so informative and efficient. We called the company and they responded so quick. They were at my house within an hour. He was able to repair it the same day. He was very thorough and gave great advice to be able to have longevity with my heating system. I would definitely recommend this company. I’m a lifetime customer.
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Frequently Asked Questions

Does Complete Mechanical Solutions offer emergency HVAC service?

Yes. Emergency service is available 24 hours.

How long can an air-conditioner repair take?

Minor repairs can typically be completed within a few hours, while more complex issues may take several days. Technicians provide an estimated timeline for the specific repair.

How soon does Complete Mechanical Solutions respond to an appointment request?

A representative responds the same business day to schedule an appointment.