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William N. Harris, Inc., is located in Providence, Rhode Island, and has proudly been serving the state since 1942. You can be at ease knowing we'll provide you with the right solutions to keep your home safe and comfortable, year round. That comfort is backed up by our expert installation and maintenance services.



William N. Harris, Inc. offers service on heating and air conditioning units on all brands of air conditioners, heat pumps, furnaces, fan coils, and thermostats to residents and businesses in Rhode Island, nearby Massachusetts and Connecticut. Whether you need maintenance, repair, replacement, new construction or remodeling, we want to be your heating and cooling contractor.


What's New?

Energy Consultants Save You Money! Improving energy efficiency is the simplest, most cost-effective way to combat rising fuel costs. The first step is to understand the condition and performance of your building, winter or summer. We provids energy audits and analysis to determine the most practical and cost-effective ways to increase the energy performance.


Our Products

Super Market Rack Systems
Coolers & Freezers
Ice Machines
Rooftop Packaged Units
High Efficiency Systems
Exhaust Hoods
Gas & Oil Fired Furnaces
Hot Water & Steam Boilers
Heat Pumps
Glycol Systems


Company Profile

Whether your needs are for Heating, Ventilation, Air Conditioning or Refrigeration, we have them covered with our years of expertise. Our service and installation departments are made up of highly skilled, licensed technicians. Our engineering department can troubleshoot and custom design even the most complex systems.



What We Offer

We reciprocate the loyalty of our best customers through our maintenance programs. We offer reduced hourly rates and on demand service for our certified customers. These customers understand that the best way to repair a problem is to catch it before it starts. Preventative maintenance aids in this as well as prolonging the life of your equipment.




Our goal at William N. Harris, Inc. is to provide you with not only top of the line service, but to offer only top of the line quality products, with outstanding product warranties. We believe it is one of the most important duties to help inform and educate you on which products best suits your family's and businesses needs.



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