Trust an Expert to Take Care of Your Property's Systems

Work with a plumbing and HVAC contractor in Durham or Portsmouth, NH

Do you need help maintaining your heating, cooling and plumbing equipment? Turn to a company that has plenty of experience to pull from. Trust CMC Mechanical Services LLC for HVAC services and more in Durham and Portsmouth, NH. We offer our services to both homeowners and business owners. Our family has been in this business for over 80 years, so you can rest assured that you're in good hands.

HVAC

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HVAC

Plumbing

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Plumbing

Gas Piping

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Gas Piping

Heat Pumps

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Heat Pumps

Why do property owners prefer us?

Our plumbing and HVAC contractors are knowledgeable about a wide range of systems. We always complete our work efficiently and according to industry best practices. When you choose us, you'll be working with licensed experts. Ask us about our financing options.

Learn more about our services

Turn to us for a variety of helpful services. Reach out to us when you need:


To discuss your needs with a local HVAC contractor, call 603-430-2852 today.

Proudly Serving

  • Greenland
  • New Castle
  • Rye
  • Eliot
  • Kittery, ME
  • Exeter, ME
  • Stratham
  • North Hampton
  • Newmarket
  • Newfields
  • Durham
  • York, ME
  • Rochester
  • Hampton
  • Dover