National Refrigeration

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service for facilities?


All about National Refrigeration.

National Refrigeration is a unique family company: one where we share our focus on our family of employees with yours. That’s why we offer a 100% satisfaction guarantee. We know that our reputation is on the line with every job that we do and will settle for nothing less than perfection. It’s been that way since our modest beginnings in 1969.

National Refrigeration in Warwick, RI provides quality hvac and plumbing services.

Back then, Jack King Sr. set up a one-man shop in Warwick, Rhode Island. Over the next 40 years National grew to serve thousands of homes and businesses and employ over 100 professionals with locations in multiple states.

Still a privately held, family-run company, National is headed by Jack Sr.'s son, Jack Jr., who continues to hold to the company's long-standing core commitment to customer satisfaction while ensuring the company has a strong and stable future.

National provides a full slate of HVAC mechanical contracting related services for clients in the commercial, residential, multi family residential and service markets. We always strive to bring our clients the best solutions possible utilizing our experience, local presence, cost competitiveness, financial strength and a relentless attention to detail.

Call us today for a no-obligation consultation.

Our service area:

  • All of Rhode Island
  • Massachusetts communities below Route 495

Call us anytime!

We’re pleased to take your call for any need you have. Nothing is too small a matter! Our team are members of your community too; and we have a keen interest in the well-being of our customers and their families. Calls for emergency service can be made 24 hours a day. Contact Us here.


Join the Comfort Club!

The “Comfort Club” is our high-priority service program — and so much more. It’s the best way to ensure that the heating and cooling system of your family's home are kept in top operating condition and efficient for years to come. You deserve the peace of mind. Learn more here.


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National Refrigeration ACAA accredited, NATE (North American Technician Excellence) certified, a Carrier Factory Authorized dealer, and a member of The Indoor Environment and Energy Efficiency Assocation.