Our Promotions

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

AC or Furnace Install

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

$79

AC or 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

    Shane Galvin is fantastic. Hardworking and very knowledgeable. A pleasure to have in the house.
    Dan
    2 days ago
    Technician was knowledgeable and friendly. Did a great job.
    Stephen Ernst
    2 days ago
    Wonderful technicians and very nice people. Good service.
    Quentin Sturm
    3 days ago
    Excellent prompt service. They had a service technician at my home in a little over an hour after my call and it wasn’t even an emergency!
    Diane Reinbold
    3 days ago
    The team from Donnelly's did a great job with a complicated plumbing repair as well as replacing our hot water heater. The manager Mike did a great job communicating throughout the repair, and the lead repairmen Jeremy was one of the hardest working guys I have ever seen and wouldn't leave until the job was done. Look forward to using Donnelly's for my plumbing repair needs in the future.
    Erik Hostetter
    4 days ago
      Read Our Reviews