
Leading HVAC & Plumbing Company in the Greater Phoenix Area
Proudly Serving the Valley
Donley A/C & Plumbing has been a family-run and -operated business serving Phoenix, AZ, and surrounding areas since 1976. We’re the company to trust when you need a plumber or an HVAC specialist. We provide residential and commercial services and can perform new installations, including replacements and conversions.
You can count on us for emergency repairs 24/7 and scheduled repairs on weekends. Our team performs maintenance, and we offer a maintenance plan that provides great value for our customers. When we’re not working, we partner with charitable organizations to benefit our communities.
Whether you need installation, maintenance, or repair services, contact Donley A/C & Plumbing to learn how we can help.


How Can We Help You?

Better Efficiency With Modern HVAC Solutions
If you have an older heating and cooling system, it’s a great time for an upgrade. Modern systems are remarkably more efficient than those made even a decade ago. There are rebates, tax credits, and other energy incentives to help reduce your initial investment.
Heat pumps are among the compelling options available. These systems can heat and cool your home year-round and are among our most energy-efficient solutions. We also encourage our customers to schedule HVAC maintenance twice a year. Book a heating tune-up before winter and an AC tune-up before summer.
Regular services can lower your heating and cooling costs, help you avoid repairs, and extend the life of your equipment. We encourage you to take advantage of our maintenance plan. It includes two 50-point maintenance inspections a year. You’ll also receive priority service, an extended service warranty, and a 10% discount on parts and labor.

Comfort You Can Count On. Service You'll Want to Share.
We Do It Right, Guaranteed.
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“I can't say enough about the amazing professionalism and help that I received when my AC unit needed to be replaced. Everyone was kind and took the time to answer many questions. They were honest, punctual, and knowledgeable.”- Linda W.
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“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.
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“We contacted Donnelly for on after hours emergency plumbing issue. Eric was a true professional! He was thorough and explained his findings in layman’s terms putting our minds at ease.”- Kathy G.
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“Donley provided expert advice at a price thousands less than another company. Sean was great, respectful and did a great job for us. Highly recommend this company.”- Kimberly B.
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“- Dennis C.
The whole crew did an excellent job. They were very prompt, the install was clean and obviously effective as the house immediately began to cool. Derrick managed the process very well and kept me updated on the progress.
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“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.
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“This is by far the best plumbing company I have used. Travis arrived on time and efficiently unclogged my sewer line. The fee was reasonable. I am pleased with the service.”- Richard P.
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“- 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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“We had a cranky toilet that needed repair; Walt tried to fix it with four different mechanisms and then recommended replacement. He completed the job quickly and neatly; very professional and knowledgeable. Highly recommend!”- Christine S.
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“Seth was very clear in explaining how he would fix our outdoor faucets, the reverse osmosis system and the cost to do so! Seth was on time and completed the work quickly and efficiently!”- Pat E.
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“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.
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“I have been with Donley for over 25 years. They offer professional services from the office staff to the technicians. Their prices are more than fair. They are trustworthy and honest. Wonderful people to work with.”- Sharon F.
