
HVAC & Plumbing Services in Sun City, AZ
Proudly Serving the Valley
Donley A/C & Plumbing has kept Sun City residents comfortable for over 49 years. We offer top-quality HVAC and plumbing services to Sun City, ensuring your heating, cooling, drains, and pipes function reliably year-round. Our commitment to the community shows in every job we do, and our industry expertise and hard work ethic are second to none.
With honesty and superb customer service, we provide a full range of home comfort services, from AC repair and heating installation to water heater replacement and drain cleaning.
Call Donley A/C & Plumbing today to schedule HVAC and plumbing services in Sun City, AZ.


How Can We Help You?

HVAC Services
Due to our extreme temperatures, every Sun City home and business needs a reliable heating and cooling system to stay comfortable year-round. Donley A/C & Plumbing provides comprehensive AC and heating services to keep you safe and comfortable.
Whether you own a furnace, heat pump, central AC, or ductless mini-split, we offer the services you need to keep your system operating effectively.
Air Conditioning Services
When temperatures rise, you can rely on Donley A/C & Plumbing to keep your home cool. Our AC services in Sun City include:
- AC repair: Our AC technicians provide expert repairs and go above and beyond to ensure your AC issues have been handled properly.
- AC maintenance: Annual tune-ups keep your air conditioner in pristine condition, preventing breakdowns, boosting efficiency, and saving you money.
- AC installation and replacement: When your AC has reached its end, our team will help you find the best replacement and install it with unwavering precision.

Comfort You Can Count On. Service You'll Want to Share.
We Do It Right, Guaranteed.
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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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“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.
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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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“We are so happy with Donley and the new AC they just installed. Chris and his team were so quick, thorough and courteous. Chris took the time to help us get the new thermostat registered online and working. He was extremely patient!”- Linda G.
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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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“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’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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“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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“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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“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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“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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“Arrived on time, called ahead, explained possible costs up front, and then fixed the issue quickly. Great service and knowledgeable technician. Friendly and respectful.”- Jodi R.
