About Energy-One


We started out as a small Rhode Island fuel oil company in 1945 serving family, friends and neighbors. As the years passed, we built a strong bond with our local customers. They came to rely on us for home improvement referrals because of our dedicated service and honesty. In the early 80s extended our service to commercial and residential gas heating, electric heating, and air conditioning services. In the mid 90s, we created a plumbing division and dedicated a separate department to installation work with design/build project capabilities. Most Recently, we expanded our HVAC department to include sheet metal fabrication and installation.

About Energy-One

Years Serving RI
Full-Time Employees
Licensed Service Technicians


Satisfied Customers


Our ability to design and install using only in-house personnel (no sub-contractors!) allows us to control the quality of our workmanship from start to finish. Our goal of delivering prompt, reliable service at competitive prices with consistent customer satisfaction has been the hallmark of our company. We pride ourselves in maintaining a personal relationship with all of our Rhode Island and southern Massachusetts customers. The level of trust we have developed is extremely unique, and we do not take it for granted. This relationship has helped to create a comfortable, rewarding experience for both our staff and customers.

About Energy-One

Bob Gasbarro, Energy-One

Bob Gasbarro

Vice President & Co-Owner

DJ Lawrence, Energy-One

DJ Lawrence

Sr. Installation Technician

Paul Marquis, Energy-One

Paul Marquis

Service Manager

Pete Withers, Energy-One

Pete Withers

Project Manager

Ron Bucci, Energy-One

Ron Bucci

Sr. Estimator

Rob Geoffrey, Energy-One

Rob Geoffrey

Sr. Service Technician

To Our Valued Customers

I want to earn your confidence and ensure you the highest measure of accountability from our team, including our office personal and our design/installation/service teams. Our staff has been thoroughly trained to answer your call in a courteous, professional manner. So whether your question is about a new building installation, an invoice, service we performed, or how to use a control, you will receive courteous, accurate answers.

We do not sub-contract our work and our team is qualified to handle the most extensive HVAC systems.¬† We carry and/or exceed all required insurance and our technicians undergo extensive OSHA 10 training. I am a hands-on owner and take personal responsibility for your satisfaction. With Energy-One, our business is built on quality work. But please don’t take my word for it – see what our customers are saying. Then, give us a call if we can be of service. I look forward to working with you!

Thomas Vessella


Tom Vessella, Energy-One

Energy-One Office Staff
Energy-One Drawing Review

Energy One Office