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National Refrigeration is a heating and cooling contractor offering residential and commercial services in all of Rhode Island and bordering Massachusetts communities.

The National Refrigeration story

National Refrigeration is a family-owned, full-service HVAC and plumbing mechanical contractor headquartered in Warwick, Rhode Island.

We service all Rhode Island communities.

Our experienced, factory-trained, licensed, and fully bonded HVAC and plumbing technicians provide installation, maintenance, and repair services for small- and large-scale commercial facilities, residential homes and multi-family housing.

National Refrigeration of Warwick, Rhode Island provides quality residential and commercial plumbing and hvac services.

100% satisfaction

Our goal for every mechanical job is 100% customer satisfaction.

Once upon a time, when you called for a heating and cooling or plumbing job, one man showed up—Jack King, Sr.—and he got the job done.

Even though National Refrigeration has grown to accommodate thousands of homes and businesses in Rhode Island, we treat all our customers with the personal service Jack founded the company on.

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Big-company benefits with a personal touch.

The size of our company enables us to take many competitive advantages over other HVAC contractors and plumbers. With strategic reinvestments in personnel, training, and tools, we can offer customers the personalized attention Jack, Sr. gave to his Warwick neighbors half a century ago by:

  • Supporting a service team large enough to respond quickly to emergencies
  • Providing continuous training to keep technicians and staff skilled and informed
  • Maintaining a proper inventory of up-to-date tools, equipment, and parts
  • Partnering with the most advanced HVAC manufacturers to provide low pricing
  • Leveraging our economy of scale to enhance the customer experience


National Refrigeration is ACCA (Air Conditioning Contractors of America Association) accredited
National Refrigeration NATE (North American Technician Excellence) certified
National Refrigeration is a Carrier Factory Authorized dealer
National Refrigeration is a Mitsubishi Electric dealer

© 2024 National Refrigeration

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