21 L Fruean Ave

South Yarmouth, MA 02664



  • Plumbing Repairs and Replacements
  • Oil to Gas Conversions
  • Plumbing Fixture Installation
  • Boilers and Hot Water Heaters


  • High-Efficiency Boilers and Furnaces
  • On-Demand Hot Water Heaters
  • Seasonal Cleaning and Maintenance
  • Heat Pumps


  • Central A/Cs and Ductwork
  • Mini-Split System Installation
  • Seasonal Maintenance
  • Air Handler Cleaning and Repair

Welcome to Coastal Mechanical

Coastal Mechanical is a full-service contractor offering HVAC, plumbing and electrical services on Cape Cod, MA. We are a locally owned company, and so, we are dedicated to providing our community of homeowners with exceptional customer service at a fair price. Our core values consist of being professional, providing excellent communication, and having a positive attitude. We employ 20 year-round residents and are capable of handling your project right now!

Coastal Mechanical van

Why Choose Us

Monday - Friday
7.30 am - 4 pm

Trusted & Recommended

Heating, air conditioning, plumbing and electrical

Free HVAC Installation Quote

Looking to upgrade your heating, air conditioning or plumbing systems?

Call us for a free quote, and latest rebates/financing options

Areas We Serve

Homeowners everywhere count on us to take care of their heating, cooling, plumbing and electrical needs

  • Barnstable, MA

  • Brewster, MA

  • Chatham, MA

  • Centerville, MA

  • Dennis, MA

  • Falmouth, MA

  • Harwich, MA

  • Hyannis, MA

  • Orleans, MA

  • Osterville, MA

  • Sandwich, MA

  • Yarmouth, MA

Happy Clients

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21 L Fruean Ave,
South Yarmouth, MA 02664