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Free

Full Electrical System Evaluation

Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$79 Off

Any Electrical Service

Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$500 OFF

Furnace Install

Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$79

Furnace System Evaluation

Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

Free

Second Opinion on Sewer Line Replacement

Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$500 Off

Full Sewer Install Replacement

Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$100 Off

Complete Water Filtration System

Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

Free

Water Pressure Test

Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$49

Sewer Line Camera Inspection

Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$99

Standard Water Heater Flush
$139 Tankless Water Heater Flush

Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$79 Off

Any Repair

Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

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What To Expect

Discover the Donnelly’s Difference

Professional Services

We show up on time, keep things clean, and listen to what you need. We treat you and your home with the respect it deserves.

Service for All Brands

We can work on all makes and models of HVAC and plumbing equipment.

Trustworthy

​You can count on us to be honest and always do what we say. We communicate clearly, provide our guarantees & warranties in writing, and ensure you understand everything we're doing in your home.​

Experienced Technicians​​

We excel at solving problems with years of experience behind us. We look at today's challenges and future needs to create the best customized solutions.​

Licensed & Insured

​Our technicians are licensed, insured, and background-checked for your peace of mind.​

Professional Services

We show up on time, keep things clean, and listen to what you need. We treat you and your home with the respect it deserves.

Service for All Brands

We can work on all makes and models of HVAC and plumbing equipment.

Trustworthy

​You can count on us to be honest and always do what we say. We communicate clearly, provide our guarantees & warranties in writing, and ensure you understand everything we're doing in your home.​

Experienced Technicians​​

We excel at solving problems with years of experience behind us. We look at today's challenges and future needs to create the best customized solutions.​

Licensed & Insured

​Our technicians are licensed, insured, and background-checked for your peace of mind.​
    About Us
    Our Reviews

    See What Your Neighbors Are Saying

    Brandon did a great job installing my humidifier! Works great!
    Phil Donatiello
    2 days ago
    Kevin McCullough did a great job! He quickly diagnosed the problem and did the repair. He was very professional and knowledgeable. I highly recommend him to anyone needing a heat pump repair.
    Jim Medunick
    2 days ago
    Great plumbing knowledge and a nice guy. Answered all our questions.
    James Shea
    2 days ago
    Nick Lenzi completed a complicated sink and vanity replacement and installation at our house perfectly. He went above and beyond to replumb the existing (old) plumbing drain and water pipes, and to retrofit the cabinet. He is highly professional, skilled, and a pleasure to work with. Highest recommendation!
    A Acheson
    2 days ago
    Called for plumbing service and had a service person here within an hour. Great service.
    Shawn Mahoney
    3 days ago
      Read Our Reviews