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From Furniture to Fuel, to the Future
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Meet Our Professionals

Four generations of family ownership
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Ted-Duffy
Ted Duffy

President

Harry Simone
Harry Simone

Vice President

Andy Moskal
Andy Moskal

Service Manager

Richard_DiMatteo
Richard DiMatteo

HVAC Sales Manager

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Testimonials What Our Clients Say

Kind words and comments from our clients
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I had a problem with my heating system (no heat) reached out to oil companies and plumbers no one could get my boiler working. Some couldn’t come out within a day or two. I called Duffy Energy (Ted) he sent out a service tech immediately found the problem and fixed it. I highly recommend Duffy Energy to anyone in need of heating or air conditioning repair. Very prompt, friendly and knowledgeable. In the past I needed to wait for parts from other companies but Duffy Energy has a large inventory on truck. I couldn’t be any happier.

Rose Masters

In the dynamic landscape of HVAC and energy, many companies come and go, but John Duffy Energy Services’ legacy represents enduring quality, reliability, and innovation. Their firm’s longevity for more than a century is no accident. It speaks to their unwavering commitment to excellence, adaptability in changing times, and cultivating trust with countless customers, including my family. Their deep-rooted industry knowledge and forward-thinking approach have made them a service provider and a true partner in my family’s comfort and energy solutions. Here’s to Duffy —a beacon of reliability and expertise for over 100 years!

Doug Brown

Finding a reputable company is hard these days. Not only is John Duffy Energy Services reputable, they are honest, trustworthy and perform their work to the highest standard. They are a quality, family run operation, that puts their customers first. I have been using these guys for over 10 years and anytime I call on them, they show up with a smile and get the job done right.

Craig Hansen