
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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“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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“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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“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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“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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“Thank you for the service and troubleshooting on our HVAC system today. It's refreshing to deal with an AC company that has qualified and honest techs like Juan B. - we will always request him in the future.”- Robin 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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“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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“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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“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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“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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“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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“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.
