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Excellent HVAC and Plumbing Services

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We Are Licensed for Your Protection

Don’t try to fix a plumbing leak yourself only to end with an even more costly repair. Our experts will do it right the first time.

We will happily assist you with new construction or remodeling projects. Redesign your kitchen or bathroom to fit your personal style. You will adore the quality workmanship.When you need immediate heating and cooling repairs, you can depend on us. Our prompt team will come to your rescue, thanks to our 24/7 emergency services.

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Plumbing Services

You Can Trust Our Expertise

Heating Services

We specialize in heating and air-conditioning services. From installations and repairs to sales and maintenance, the professionals at Diamond Plumbing and Heating does it all!

With our education and experience, we service all makes and models. There is no job we can’t handle. Let us take a look at your central air system or furnace today.Call us today to schedule a FREE service call for any of your equipment.

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Save Time and Money With Us

Go green today with Energize CT — we are approved installers! Switch to natural gas and reap the benefits today.

Financing is available for your personal convenience. Install high-efficiency systems, gas lines, sewer main hookups, and more for your home or business.

We proudly serve Preston and its surrounding areas. Let us travel to your residential or commercial property today. You will receive friendly support, old fashion courtesy, and personalized attention from start to finish.

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Plumber

Happy Customer Reviews

(4.0) Overall Rating

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13 Ratings & Reviews

Here’s what our happy customers are saying…

Patrick

provided excellent service, will use them again

12/23/2019

Gary W

They did a good job on my boiler. I would recommend them for sure.

11/19/2018

Kelly B

Marcus was amazing! Thank you so much for helping get our heat and hot water back on. We love that you support our service members too! Will refer your company to everyone! Quick, affordable, dependable, straight forward!

2/19/2018

Andrew B

Amilcar DeAndrade was great we really appreciate how quick he came out to get us up and running. Very nice guy and great service

12/14/2017

Sully

performed the job as per quoted. thanks.

12/8/2017

Efren R

I’m a happy customer..A+ work

12/7/2017

Melinda

Friendly and on time

11/21/2017

Michael Mc N

Mike was very knowledgeable and professional. Will definitely call Diamond for my future AC and Heating needs. Thanks

10/14/2017

Brian B

Good Dependable Service! I highly recommend them for any HVAC & Plumbing needs!!

9/12/2017

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