Shop

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

    Great job, on time Very pleasant person. Exceptionally good at diagnosis and explaining the issues. First rate technician
    Thomas McGeehan
    4 days ago
    Ben was on time, courteous, and efficient.
    Thomas Dowd
    4 days ago
    Donnelly was able complete the work on the same day as I called. Member plan for HVAC and electrical was offered as well for full home inspections and discounts. Telephone staff were friendly and extremely helpful. Jeremy and Anthony did a great job! Very professional, fast and friendly. Thank you!
    Dan Robinson
    5 days ago
    Professional friendly and knowledgeable. Discussed features and concerns. Went beyond to explain options for service and was very clear with details of parts and readings. Highly recommended. Finished ahead of schedule
    Mark Rothbell
    5 days ago
    HVAC winter maintenance performed by Amir Smith, he is an excellent technician. I would like to have him to take care of my HVAC next time.
    Wendy Chang
    5 days ago
      Read Our Reviews