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DE Duffey & Sons Inc

4.6

About this business

D.E. Duffey & Sons is your trusted, local, 4th generation home comfort partner. Since 1898, suburban Philadelphia home-owners have trusted us to provide complete heating and cooling solutions for their families. D.E. Duffey offers heating and cooling equipment installation and maintenance, annual maintenance contracts and heating oil delivery. 

Location details

1982 Butler Pike #3701, Conshohocken, PA, 19428, United States

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WeekdayScheduleStatus
Mon7:30 a.m. to 5:00 p.m.
Tue7:30 a.m. to 5:00 p.m.
Wed7:30 a.m. to 5:00 p.m.
Thu7:30 a.m. to 5:00 p.m.
Fri7:30 a.m. to 5:00 p.m.
SatClosed
SunClosed
4.671 reviews
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Vanessa Slaybaugh's profile image
Vanessa Slaybaugh 
on Google
2 weeks ago

There are not enough stars to say how pleased I am with DE Duffey and sons. Last year, I got estimates for a mini split installation in my home office. Stupidly, I did not go with DE Duffey. The company I went with did a sloppy job, the mini split never worked correctly and began leaking water all over my hard wood floor. Even though I did not originally have DE Duffey perform the install, they came out, diagnosed the issues and fixed the problem. The unit works perfectly now, blowing lots of lovely cool air. I cannot say en... read more

Emily Chaudhury's profile image
Emily Chaudhury 
on Google
a month ago

We've been using DE Duffey for our oil delivery and boiler maintenance for almost 10 years. The previous owners of our house used them, they installed our 30-40 year old boiler for the previous owner.. The same guy who installed the boiler back then still works for them and would sometimes do the maintenance. A few years ago they installed a new oil tank to replace our rusty, rotting one. And recently they installed a new boiler to replace the previous boiler that was many years past it's life expectancy. We've always been h... read more

Maureen Gigliotti's profile image
Maureen Gigliotti 
on Google
4 months ago

Our boiler broke and Duffy got us one and installed the next day to give us heat and hot water.The company where they got the boiler from was here and oversaw to make sure everything went ok. Great customer service and the guys who installed went above and beyond. So nice and polite and efficient. They even did extra work and got heat to work in a room where the baseboard heat didn't work. Installed all new thermostats too. Great company and would highly recommend. Thank you Duffey 

Paul Saraceni's profile image
Paul Saraceni 
on Google
6 months ago

Been using Duffey since we bought our house in 2019 (they installed the boiler prior to us owning). Been very happy with their service. Just had Steve and Dale out to replace the coil and they were great. Got everything done in a reasonable time (boiler is located in a tight space, and not easy to access the coil). Everything works great and they cleaned up after as well. 100% recommend 

Debbie Dugan's profile image
Debbie Dugan 
on Google
8 months ago

Excellent customer service! Returns calls. A valuable tool to all customers. Good communication and expert in providing details to our heating system and service. 

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Frequently asked questions about DE Duffey & Sons Inc

How is DE Duffey & Sons Inc rated?

DE Duffey & Sons Inc has a 4.6 star rating with 71 reviews. 

When is DE Duffey & Sons Inc open?

DE Duffey & Sons Inc is closed now. It will open at 7:30 a.m. 

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