Cornerstone Heating and Cooling color logo, light variation.
Cornerstone Heating and Cooling color logo, light variation.
Paradise Valley, AZ
Top-Rated AC Repair & HVAC Installation for Paradise Valley
Excellent (5.0)
Based on 130 reviews

HVAC Repair & AC Installation in Paradise Valley

Paradise Valley homeowners and businesses understand the importance of having a dependable air conditioning system in the desert heat.

Cornerstone Heating and Cooling is the HVAC company trusted for lightning-fast service, high quality AC installation, expert repair in Paradise Valley, and long-term maintenance plans to keep each AC unit and cooling system performing reliably.

Our owner, John Baca, working on an HVAC unit.

The Cornerstone Promise

If other HVAC companies have left you feeling frustrated or uncertain, you’re not alone. We focus on customer service, integrity, and top notch workmanship that delivers results you can trust for the long term.

Our Paradise Valley customers count on us for:

Cornerstone Heating and Cooling company icon, black.
Lightning-Fast Scheduling
Cornerstone Heating and Cooling company icon, black.
Honest, Experienced Technicians
Cornerstone Heating and Cooling company icon, black.
High Quality Workmanship
The Cornerstone Heating and Cooling Van.

Full-Service HVAC Experts in Paradise Valley

Performing an AC repair job in a Scottsdale residence.

AC Repair

Expert AZ repair to get your air conditioner back to cooling your home or business.

Cornerstone Heating and Cooling installing an AC unit for a Scottsdale residence.

AC Installations

Professional AC installation services in Paradise Valley, AZ. We install energy-efficient air conditioning systems sized properly for your property.

Cornerstone Heating and Cooling providing a second opinion quote to a homeowner in the North Scottsdale area.

Second Opinions

Unbiased evaluations from a trusted HVAC company to help you make the right choice before committing to a major repair or new air conditioning system.

John Baca, Cornerstone Heating and Cooling's owner, on a ladder working on an air conditioning vent.

HVAC Maintenance Plans

Our maintenance plan includes regular maintenance with scheduled inspections, cleanings, and tune-ups.

What Paradise Valley Homeowners Say About Our Air Conditioning Services

"John is not only excellent at what he does, but he’s also fair, polite, punctual, and truly professional. If there were an option to give him an extra star, I absolutely would."
Dave Rankin, a customer of Cornerstone Heating and Cooling.
Dave Rankin
"John from Cornerstone Heating and Cooling is an absolute ROCKSTAR! He came out to give me a second opinion, and I’m so glad he did. His recommendation was spot on, honest, and saved me from making the wrong choice."
Jessica Martin, a happy customer of Cornerstone Heating and Cooling.
Jessica Martin
"Highly recommend Cornerstone heating and cooling. They beat other estimates and work was quality and cleaned up after they finished."
Don Kress's review icon from his Google review for Cornerstone Heating and Cooling.
Don Kress

Why Paradise Valley, AZ Chooses Cornerstone

A blue house in hands icon.

Respect for Your Home or Business

We treat your property with the care we'd have for our own homes.
A blue on-time calendar icon.

Upfront, Fair Pricing

No hidden costs—just fair estimates, top notch customer service, and lightning-fast scheduling.
A blue house HVAC systems icon.

Straightforward Guidance

We explain your HVAC system issues clearly, outline AC repair or installation options, and recommend the right maintenance plan for long-term success.

Get Peace of Mind With a Fresh Perspective

We know that choosing the right solution for your air conditioning system can be stressful. That’s why we offer dedicated second opinion quotes to give you confidence before you commit.

Our team reviews the diagnosis, explains your options in plain language, and provides transparent pricing so you can make the best decision for your home or business.

  • No pressure, just honest guidance from a trusted HVAC company.
  • Clear breakdown of whether repair or AC installation makes more sense.
  • A chance to compare recommendations and ensure you’re getting top notch customer service.
Our owner, John Baca, providing an HVAC quote to a customer.

About Cornerstone

Family-Owned and Operated

Cornerstone Heating and Cooling is a locally owned HVAC company built on the values of integrity, trust, and service. Led by John Baca, our team is committed to delivering high-quality air conditioning and heating solutions for every home or business we serve.

Our Mission

We believe in providing top-notch customer service, honest guidance, and workmanship that lasts. Whether you need an AC installation, a repair in Paradise Valley, or a long-term maintenance plan, we approach every project with care and respect.
John Baca smiling while standing in front of the Cornerstone Heating and Cooling van.

Frequently Asked Questions 

How quickly can Cornerstone provide AC repair in Paradise Valley, AZ?
We respond fast to service requests. Most repair appointments are scheduled within a day, and if your AC unit or cooling system is completely down, we prioritize your call.
When should I repair instead of replacing my air conditioning system?
If your AC system is under 10 years old and the problem is minor, repair is usually the best route. If the system breaks down often or your bills rise sharply, replacement may be the smarter long-term choice.
Do you offer new AC installations in Paradise Valley, AZ?
Yes. We remove old AC units and install new high-efficiency air conditioning systems designed for Arizona homes and businesses.
What’s included in your HVAC maintenance plan?
Our regular maintenance program includes seasonal inspections, coil cleaning, filter replacements, and full system reviews. This keeps your HVAC system reliable, improves indoor air quality, and extends lifespan.
Can I request a second opinion before moving forward?
Absolutely. We provide second opinions so you can feel confident about your air conditioning system decisions.
Do you repair heating systems as well as AC units?
Yes. We work on furnaces and heating equipment in addition to AC repair, making sure your home or business stays comfortable all year long.
Do you install and repair mini-split systems?
Yes. We service, repair, and install ductless mini-split systems in Paradise Valley properties, giving flexible comfort solutions.
Do you provide after-hours or weekend service?
Air conditioning problems don’t wait for business hours. Call us anytime, and we’ll schedule an appointment quickly—even on nights and weekends.

Don’t Put Off Comfort — Schedule Your Home AC Repair in Paradise Valley, AZ Today

Book Today