C&M Heating and Cooling, LLC

C&M Heating and Cooling, LLC is an HVAC contractor based in Norwich, CT with a 4.6-star average from 31 reviews. Reviewers describe work for homeowners in Norwich and the immediate surrounding communities. The business appears on local review sites and handles residential heating and cooling problems including furnaces, boilers, central air, split systems, and some plumbing tasks such as water heater replacement and venting. Across reviews the team is praised for clear explanations, diagnostic skill, fair industry pricing and attention to detail, and several reviewers say the technician took time to review completed work with the homeowner.

No company website content was available to confirm brand partnerships, written guarantees or rebate programs, so specifics about manufacturer lines or warranties were taken from customer accounts rather than an online service page.

Multiple reviewers named the technician Marcus, appearing as Markus in one review, for hands-on troubleshooting and customer care. Joan described a complex gas water heater replacement, new venting and a rework that converted a messy setup into an organized, reliable system. Elaine said Marcus diagnosed and repaired her boiler with careful attention to detail. Tracy praised next-day scheduling to restore a failed furnace at fair pricing. Donald recounted bringing an oil-fired circulating hot water system back to service, adding zoning and installing a 1.5-ton split unit. One business client noted Marcus replaced parts and labor free of charge to help resolve a separate issue.