
Heating & Air Conditioning Services in Surprise, AZ
Proudly Serving the Valley
When the weather outside is intense, you’ll need a reliable HVAC system to keep you comfortable. At Donley A/C & Plumbing, we’re always ready to help Surprise residents with any HVAC installations, repairs, or maintenance they might need.
We strive to deliver high-quality heating, AC, and indoor air quality services from trained, experienced technicians so you can enjoy peace of mind and unwavering comfort throughout the year.
Call Donley A/C & Plumbing at (602) 698-8912 today to schedule HVAC services in Surprise, AZ.
Heating Services
A reliable furnace makes a difference on those chilly winter days and nights. Turn to our team when you need these heating services:
- Heating installation and replacement: Whether it’s a first installation or a replacement, we can quickly assess your heating needs and install an appropriate new model for long-term comfort and energy efficiency.
- Heating repair: When you find yourself with no heat, strange behaviors, or unusually high energy bills, call us for fast, thorough solutions to your heating issues.
- Heating maintenance: Routine maintenance is crucial to keep your heating performing correctly for years and help you avoid replacing it prematurely.
Air Conditioning Services
Surprise residents rely on their air conditioners throughout most of the year, which means it’s pretty common to find yourself in dire need of AC services. Our team can help with:
- AC installation and replacement: Are you ready to install a new air conditioner for reliability, efficiency, or more power? We’re ready to help you find the perfect fit.
- AC repair: When you’re dealing with short-cycling, frozen evaporator coils, or high electric bills, give us a call, and we’ll resolve the problem quickly.
- AC maintenance: Let our team handle all the little details that keep wear and tear to a minimum so you can get the most value and consistency out of your AC.
Indoor Air Quality Services
Clean air is crucial to your health and comfort — to say nothing of the impact of air quality on your home, electronics, furniture, and other property. We can assess your indoor air quality and address common issues with solutions such as:

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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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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.
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How long should my ductless mini-split system last?
If your system gets regular quality maintenance, it could last as long as 15 to 20 years, though multiple factors, such as usage frequency, will affect your specific system’s lifespan.
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Do I need a dehumidifier in Arizona?
We may live in a desert, but your home can be as humid as the tropics. Cooking and bathing can introduce significant moisture into your home. Installing a dehumidifier can help control mold/mildew growth and maintain the optimal balance for your desired comfort.
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How long does an AC replacement typically take?The duration can vary depending on the installation’s complexity and the system’s size. However, technicians usually finish a basic installation in one to two days.
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When should I schedule ductless mini-split maintenance?
We recommend annual maintenance just before peak operating season. If you’re using your ductless mini-split for cooling, schedule a tune-up in the spring. Schedule maintenance mid-fall if you use your system for heating.

