
About Us
Serving the valley since 1976
When Donley started business in 1976, they laid the groundwork for the caring, honest, customer-service-oriented organization we are today.
Over the years, Donley has evolved by adding more services in the world of air conditioning, plumbing, sewer repair, water heater services, and more. We’ve expanded our employees’ knowledge and skillsets through continuous training, and remained committed to supporting the local community through charitable involvement.
At every step of the way, we’ve maintained our excellent reputation for providing award-winning service in the form of repairs, installation, and maintenance for both residential and commercial customers.


Why Choose Donley A/C and Plumbing?
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Since 1976, we have provided the valley with responsive, dependable, and caring service.
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We treat your home like it’s our own.
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Skilled professionals trained to handle any HVAC or plumbing issue.
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Our work isn’t done until you’re completely happy.
Ways We Give Back
Supporting the local community is important to us. For more than four decades, the Donley and our employees have shared a philosophy that emphasizes the importance of giving back to those we serve. We partner with a number of charitable organizations and community leaders so that we can do our part to make a difference each and every day.
Charitable Organizations
- Boys Hope Girls Hope
- Foundation for Blind Children
- Hospice of the Valley
- Love House for Kids
- Midwest Food Bank
- New Life Center
- Stepping Stone Foundation
- Titus House
- Wildlife for Tomorrow
- Boys & Girls Clubs
- Girl Scouts
- Child Crisis Arizona
- Big Brothers Big Sisters (Paul's Carwash)


How Can We Help You?
Our Promise
When you're old school, a handshake goes a long way. A reputation that backs it up goes even further. It's about having unwavering integrity with the training and technology that can truly help customers. And it's part of every job we do. It's how we started business in 1976, and it's how we continue to do business today.
Our experience moves us forward
At Donley, we strive to always provide the best possible service to our customers. We take extra measures to ensure our technicians and plumbers can solve any problem, whether it’s routine maintenance or an emergency. Our experienced technicians and plumbers receive over 120 hours of continuing training per year. We have more than 50 employees dedicated to our goal of 100% customer satisfaction.
Looking for a Career with Donley?
Donley is looking for the best technicians, plumbers, installers, dispatchers, and customer service representatives in the industry. Learn about our careers below.

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“Highly Recommend”
“Isidro was fantastic. Evaluated the problem, gave an estimate and the job was completely in a timely manner. He was very polite and verified which type of valve we wanted before installation. We will call Donley for any future services needed.”- Margie S. -
“The Absolute Best!”
“We have used Donley Service for over 30 yrs. You will not find a better or more honest company. For our recent service, a big shout out to Daniel. Great work and so pleasant. Use Donley you will never regret it.”- Lindsey Y. -
“Exceptional Experience!”
“Jose was very professional and friendly. He discussed what he would do, and when the job was done, he went over his findings and asked if there was anything else he could do for us.”- Kevin P. -
“I Highly Recommend This Company”
“- Misty M.They come out promptly and fix the problem. They do not overcharge extremely fair with their prices. I have had one unit replaced and no issues since 2022 and I’m going to have a second unit replaced.
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“Excellent Job!”
“Seth was so helpful. He listened to my concerns and replaced my disposal with 30-40 minutes. We have been using Donley for years and will continue to be lifelong customers.”- Virginia H. -
“Happy Home. Happy Customer.”
“Air conditioner installation went very well, guys were pleasant. Got the job done efficiently even on an extremely hot day. Very pleased with Donley. They do what they say and deliver a good product. We are happy that our home is finally cool.”- Kathy S. -
“Hooray!”
“The recent freeze broke a pipe on my roof. The team at Donley Plumbing came out the following day and did a great job fixing the pipes on my older home. Josh was great to work with.”- Jason B. -
“The Best Hands Down”
“Josh Jimenez is about the best plumber we've ever had, and we have lived in a lot of homes. He is a great listener, thinker and doer. He solved our concerns quickly and with follow through.”- Katherine W.

