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John Duffy Energy Services

465 Mulberry Street | Newark, NJ, 07114

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More information about John Duffy Energy Services

John Duffy Energy Services is dedicated to providing customers with the best value possible
Since 1891, John Duffy Energy Services has been providing world-class residential and commercial services to customers throughout Newark and the northern and central parts of New Jersey. Our industry has changed a lot over the years, but while coal has been replaced with oil and gas and fleet fueling technology continues to advance, our core values remain unchanged.
John Duffy Energy Services is dedicated to providing customers with the best value possible. That means peerless standards of service, the utmost in professionalism, and a devotion to preventative and diagnostic procedures that will save you money. Above all, we want to provide you with energy and fueling services you can rely on without worry–period.
The John Duffy Guarantee
We are committed to providing you with products and services we can stand behind 100%. We insist on the very finest quality, and, in the event of something going wrong, we will be there to make sure your home or business energy needs are met without hassle and without exception. That's why we're pleased to offer the John Duffy Energy Services Comfort Guarantee to customers throughout NJ.
Our Comfort Guarantee:
If you find yourself in a home with no heat, we'll be there in four hours or less to fix the problem.
If you are on our automatic delivery program, you will not run out of fuel.
All servicing work will be done using our own, highly-trained workers, not subcontractors.
We will conduct all tune-ups using the most professional, most advanced equipment, not guesswork.
All replacement parts used will be new and fully warranted.

John Duffy Energy Services Newark address and phone

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Last update: 2020-12-14 18:27:54