Commercial HVAC and Plumbing Services
National Refrigeration is the full-service commercial HVAC and plumbing contractor with which most Rhode Island business owners prefer to do business.
Our company culture rewards superior quality work and customer service, continuing education, and pride in a job well done.
Our experienced commercial HVAC and plumbing teams provide design assist, constructability evaluations, equipment and material selection, controls, and system performance parameters.
100% satifaction
Once upon a time, when you did business with National Refrigeration, you shook hands with one man—Jack King, Sr.—and he got the job done.
Even though we’ve grown to accommodate thousands of homes and businesses in Rhode Island, we still like to treat all our customers with the personal service which Jack founded the company on.
Multi-Family Housing
National Refrigeration provides comprehensive HVAC and plumbing installation, maintenance, and repair services for apartment complexes, condominiums, and multi-unit residential properties. Our team is experienced in working within occupied buildings, minimizing disruptions to residents while maintaining reliable system performance and code compliance.
Government-Subsidized Housing
We deliver dependable, compliant solutions that support long-term system performance and resident comfort.
Design & Build
From system design and load calculations to equipment selection and installation, we collaborate closely with owners, developers, and architects to deliver efficient, cost-effective HVAC and plumbing systems tailored to multi-family buildings.
Plumbing
Our full-service plumbing team is equipped to handle both large-scale installations and responsive repairs across multi-unit properties, including domestic water systems, drainage, gas piping, fixture installation, and ongoing maintenance.
HVAC
Installation, replacement, and servicing of centralized and unit-based heating and cooling systems, including boilers, chillers, rooftop units, heat pumps, and ventilation systems. We focus on energy efficiency, system reliability, and consistent comfort.
Residential Noise Abatement
We offer noise reduction solutions designed to improve resident comfort and meet local noise ordinances.
Light commercial Services
National Refrigeration provides light commercial HVAC and mechanical services designed to support the comfort, efficiency, and reliability that businesses depend on. We work closely with contractors, builders, and property managers on new construction projects for complete system design and installation that aligns with timelines and building requirements. We also provide plumbing and gas fitting services, ensuring safe, code-compliant installations for commercial facilities.
Our technicians install, maintain, and repair a wide variety of commercial equipment, including gas and electric rooftop units. We install split system heat pumps, hot water heaters, and hydro-air systems, helping businesses maintain reliable heating, cooling, and hot water throughout their facilities. To support healthier work environments, we also install air cleaning systems that help improve indoor air quality.
We also specialize in retrofit systems and ductwork upgrades for existing building, helping to improve system performance and energy efficiency. Our team has experience with clean rooms and specialized ducting systems. Whether completing a full system installation or supporting office fit-outs, we deliver dependable solutions tailored to each commercial space.
Large Facilities
The National Refrigeration team provides comprehensive HVAC services for large commercial and institutional facilities, delivering the expertise required for complex, high-demand environments. We regularly work with educational buildings, healthcare facilities, hospitality properties, and retail space. From new construction to renovations, we offer full fit-out and design/build services, allowing us to manage projects from initial planning through final installation. Our experienced technicians handle a wide range of services including HVAC installation, plumbing and piping systems. In addition, we provide expert sheet metal contracting for the fabrication and installation of custom ductwork and ventilation systems.
Whether working on a new large-scale facility or upgrading existing infrastructure, our team delivers high-quality solutions that prioritize durability, performance, and long-term efficiency.
