
HVAC & Plumbing Services in Surprise, AZ
Valley-Wide Service | 7 Days A Week
Donley A/C & Plumbing has served homeowners and businesses in Surprise, AZ, and the rest of the Phoenix metro area since 1976. Our technicians and plumbers are available for new installations, including conversions, maintenance, and repairs, and respond seven days a week.
Our team can help you choose energy- and water-efficient solutions that will save you money while lowering your environmental impact. We can also help you keep that equipment in great condition over the years.


How Can We Help You?

Energy-Efficient HVAC Solutions
One of the easiest ways homeowners in Surprise can reduce their energy consumption is with a programmable or smart thermostat. The U.S. Department of Energy (DOE) estimates that the average home can lower its heating and cooling bills by as much as 10% by scheduling.
Increase or decrease your temperature setting while you’re asleep or away. Smart thermostats have Wi-Fi capability for remote access and control, and they can have a wide range of additional features, including:
- Geofencing
- Vacation mode
- Adaptive learning
- Energy monitoring
- Maintenance alerts

Comfort You Can Count On. Service You'll Want to Share.
We Do It Right, Guaranteed.
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“Donley is the best! Came out after hours on a Friday to fix our AC. Milad was very knowledgeable and was able to make the necessary repairs quickly.”- Erin R.
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“What can I say to convey the great service I received. Quick, efficient, and personable. Have had no problems since it was installed.”- Mel P.
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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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“We’ve used Donley Services for 7 years and found them to be responsive, thorough, and never pushy about buying unneeded products or services. It’s hard to find reliable service techs. Look no further.”- Peter T.
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“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.
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“If you are looking for someone who does high-quality work at very reasonable price Donnelly, AC and plumbing is the way to go! Jose Felix did a kick ass job. He checked everything and fixed it as he went that that he found.”- Glenn G.
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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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“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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“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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“- 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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“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.
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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.
Why Choose Us?
Homeowners and businesses throughout Surprise and surrounding areas have trusted Donley A/C & Plumbing for over 49 years. You can count on our plumbers and heating and cooling technicians for professional advice and superior work. We offer maintenance agreements that offer our customers great value. Our company provides upfront pricing and financing on approved credit. We also back all our work with a workmanship guarantee and a 100% customer satisfaction guarantee.
Need HVAC and plumbing services in Surprise? Contact Donley A/C & Plumbing to schedule your service with us today.
