At DeRosa Mechanical, we are a true family-owned and operated local HVAC/R business, proudly serving our friends and neighbors in the Cape Cod area. We strive to develop personalized relationships, and always seek to deliver reliable and responsive service, with top-notch attention to detail and the highest level of professionalism.

We have over 25 years of trusted expertise in the industry and are fully licensed and insured. At the core of everything we do is a dedication to quality workmanship, sustainable practices, and complete customer satisfaction. When you choose DeRosa Mechanical, you choose reliable service from a team that truly cares about your comfort.

For us, it’s more than just heating and cooling, it’s about trust, reliability, and making sure every customer feels valued and at home with us.

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SERVICES

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GET A FREE ESTIMATE

How Can We Help? Contact Us Today.

We’re your trusted source for residential and commercial HVAC/R services, including installations, repairs, replacements, and preventative maintenance. Our team is here to provide reliable solutions and expert guidance every step of the way.

We Look Forward to Hearing From You!

DEROSA MECHANICAL

DEROSA MECHANICAL

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  • "Scott is awesome! Came out when expected and did a small job we needed very promptly. We appreciated his honesty, timeliness, and professionalism. Would definitely call on him again and recommend him to anyone."

    -Joanne F.

  • "Very good service. Very Reliable, quality work and attention. Highly recommend Sandy and Joe"

    -Sandy S.

  • "Scott was very professional, responsive and knowledgeable. The quality of work is outstanding. It’s hard to find people you can trust to do work on your home without knowing if you are being taken for a ride. We have had water leaks and CO leaks on and off for years with our tankless heating/hot water system with many others attempting to fix the problem. Only to be called back again and again, never actually fixing the root of the problem. Scotts detailed explanation of the problem, made my wife and I feel comfortable enough to have the work done. We are glad we did! We are very happy and will recommend him to anyone we know."

    -Curtis and Tammy F.

  • "5 stars. Called Scott because my heat went out. Scott returned my call promptly, came right over and fixed the problem quickly. System is running like new, and received his bill. Very reasonable. I’d highly recommend this local small business!"

    -Bob M.

  • "Awesome job, very prompt to come out and provide estimate and then did the job within time agreed to. Definitely recommend"

    -Michael D.

  • "Efficient & knowledgeable, I'd recommend this company to anyone looking for HVAC work. Scott arrived on time & completed every job to my highest expectations."

    -Kevin F.