
HVAC & Plumbing Services in Scottsdale, AZ
Valley-Wide Service | 7 Days A Week
For over 49 years, Donley A/C & Plumbing has provided quality home services to Scottsdale, AZ, residents. We pride ourselves on our highly trained technicians and commitment to excellent customer service. Whether you need HVAC or plumbing services, our reliable team will provide expert solutions with honesty and integrity.
Avoid the headache of leaky pipes or broken HVAC units. Call Donley A/C & Plumbing to schedule plumbing or HVAC services in Scottsdale.


How Can We Help You?

Comprehensive HVAC Services
Every Scottsdale resident understands the importance of keeping their home comfortable. From scorching hot summer days to chilly winter nights, your HVAC system is essential to your home. Donley A/C & Plumbing provides reliable HVAC services with a 100% customer satisfaction guarantee.
Our highly trained technicians service and install central air conditioners, heat pumps, ductless mini-splits, and furnaces.
Air Conditioning Services
With summer temperatures reaching over 100 degrees, your air conditioner works hard to keep your home cool. The strain this causes can lead to a system breakdown when you need it most. Donley A/C & Plumbing provides air conditioning services in Scottsdale, including:
- AC repair: We perform quick, accurate repairs for long-lasting reliability.
- AC maintenance: Book an annual tune-up to maximize comfort and reduce energy costs.
- AC replacement and installation: Our team can install or replace your air conditioner with a new, energy-efficient model.

Comfort You Can Count On. Service You'll Want to Share.
We Do It Right, Guaranteed.
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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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“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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“Jose was very professional and friendly. He discussed what he would do, and when the job was done, he went over his findings and asked if there was anything else he could do for us.”- Kevin P.
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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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“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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“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.
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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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“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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“- 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’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.
