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Comprehensive Air Conditioning Services in Phoenix
AC Installation & Replacement
A well-functioning AC system is essential for beating the Arizona heat. If your air conditioner is over 10–15 years old, struggling to keep up, or frequently breaking down, upgrading to a modern, energy-efficient unit can provide better cooling and lower utility costs. Donley A/C and Plumbing installs high-quality AC systems designed to handle Phoenix’s scorching summers while improving overall efficiency.
Types of AC systems we install:
- Energy-efficient options. Modern air conditioners use advanced technology to cool your home effectively while reducing energy consumption. This can help lower monthly electricity bills, especially during peak summer months.
- Ductless mini splits. A great solution for homes without existing ductwork or for targeted cooling in specific rooms, ductless systems provide flexible temperature control with high energy efficiency.
- Commercial HVAC installation. Small businesses and commercial spaces need dependable cooling to keep employees and customers comfortable. We install durable, energy-efficient commercial AC systems designed to handle Phoenix’s climate.
Whether you're replacing an outdated system or installing a new unit, Donley A/C and Plumbing provides clear recommendations and professional service to help you choose the right AC for your home or business.

AC Repair Services
A malfunctioning air conditioner can make Arizona’s extreme heat unbearable. Whether your AC is blowing warm air, struggling to keep up, or making unusual noises, Donley A/C and Plumbing provides reliable repairs to restore comfort. If you've noticed higher energy bills, your system may be working harder than necessary, leading to inefficiency and increased costs. With service available seven days a week, our experienced team is ready to assess the issue and provide the right solution to help keep your home or business cool.



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“The technician who responded to my inquiry, Sean, was extremely personable and professional. He was timely in his arrival and honest. He explained all the work that needed to be done.”- Arthur 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 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 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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“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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“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 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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“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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49+ Years Industry ExperienceSince 1976, we have provided the valley with responsive, dependable, and caring service.
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Customer-Focused ServiceWe treat your home like it’s our own.
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Expert TeamSkilled professionals trained to handle any HVAC or plumbing issue.
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We Do It Right, GuaranteedOur work isn’t done until you’re completely happy.
Why Choose Donley A/C and Plumbing for AC Services?
For over 49 years, Donley A/C and Plumbing has provided reliable air conditioning services throughout Phoenix, Scottsdale, Mesa, Glendale, Chandler, and Gilbert. As a family-run company, we take pride in delivering honest service with clear communication and upfront pricing.
- Serving Phoenix since 1976. With decades of experience, we understand the challenges of cooling homes and businesses in Arizona’s desert climate.
- Licensed and insured team. You can have peace of mind knowing your home or business is in good hands.
- Service 7 days a week. Whether it's urgent repair or routine maintenance, our team is available every day to help keep your AC running efficiently.
- Honest pricing and financing options. No hidden fees, just transparent pricing and flexible payment options to fit your budget.
- 4.9-star Google rating. Thousands of satisfied customers trust us with dependable AC solutions.
- Se habla español. Providing accessible service to more homeowners and businesses across the Valley.
Whether you need a quick repair, a full AC replacement, or seasonal maintenance, our team delivers professional, high-quality service backed by decades of experience.
Schedule your AC service with our team! Contact us at (602) 698-8912 or through our online form and get a free estimate.
