
Air Conditioning & Heating Services in Sun City, AZ
Valley-Wide Service | 7 Days A Week
Donley A/C & Plumbing is proud to offer expert heating and air conditioning services in Sun City, AZ. As a family-run business with over 49 years of experience, we have honed our skills and become trusted experts in the field.
Our customers can rely on us for reliable and efficient solutions for all their HVAC needs. With our deep-rooted commitment to quality products and exceptional service, we strive to exceed expectations and ensure the comfort of our valued customers in Sun City.
Are you looking for reliable HVAC services in Sun City, AZ? Call Donley A/C & Plumbing at (602) 698-8912 to schedule service.
Air Conditioning Services
Air conditioning services are essential for maintaining a comfortable indoor environment, especially during summer. At Donley A/C & Plumbing, we recognize the significance of a reliable and efficient AC system. Our AC services ensure your home remains cool and refreshing, even in scorching temperatures.
Our services include:
- AC repair: Is your air conditioner blowing warm air, short-cycling, or not turning on? Depend on us for prompt, reliable repairs.
- AC maintenance: Schedule an annual AC tune-up with our team and enjoy unwavering reliability from your system.
- AC installation & replacement: Our team has the tools and expertise to efficiently install or replace your air conditioner, no matter its make or model.
Indoor Air Quality
With our years of experience and commitment to excellence, we prioritize quality in all our indoor air quality services. We stay updated with the latest technologies and techniques to provide effective and efficient solutions.
Trust us to install and service:
Our expertise and customer-centric approach make us the go-to choice for improving the air you breathe.
Heating Services
When it comes to your comfort and well-being, trust Donley A/C & Plumbing to deliver reliable heating services. We’re committed to ensuring that your home remains warm and inviting, no matter how chilly it gets outside.
Depend on our team when you need:
- Heating repair: Big or small, our technicians can resolve your heating system issues.
- Heating maintenance: Our experts can fine-tune your heating equipment for optimal performance throughout the winter.
- Heating installation: Let Donley A/C & Plumbing match you to the perfect heat pump, furnace, or other heating system. We’ll install it with unmatched precision and walk you through managing your new equipment.
- Heating replacement: We can seamlessly replace your heating unit with a new, energy-efficient model.

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Frequently Asked Questions
Have questions? We are here to help. Still have questions or can't find the answer you need? Give us a call at 602-698-8912 today!
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Is a ductless mini-split system more efficient than a traditional HVAC system?
Yes. Due to their lack of ductwork, mini-split systems generally offer better energy efficiency than traditional HVAC systems.
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Are heat pumps loud when operating?
Heat pumps are quieter than many other heating and cooling systems, making them an ideal choice if you’re looking for a quiet system.
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What are the primary parts of a ductless mini-split?
Specifics will vary depending on the model and type of mini-split, but in general, the major components include:
- An indoor air handler that moves the air in the affected zone
- An outdoor condenser (the cooling component)
- An outdoor heat pump that uses both a condenser and evaporator on systems that include heating
- Conduits that connect wiring and refrigerant between the indoor and outdoor units
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How often do I need AC maintenance?
For optimal system performance, we recommend scheduling AC maintenance annually. We recommend scheduling a tune-up with our team in the spring to make sure your AC is ready to operate efficiently all summer.
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How long does it take to install a ductless mini-split system in Phoenix?
Installation time can vary depending on several factors, but typically, our expert team at Donley A/C & Plumbing can install a system within one day.

