What is the step-by-step AC installation process homeowners should know?

The AC installation process at Deer Valley Plumbing & Air Conditioning follows a clear, technician-led workflow from diagnosis to verified startup. We start with an in-home diagnostic so you can compare repair versus replacement based on real findings. Before any work, our technician explains every option and helps match unit size and placement to your home. Our crew regularly completes installs across the Valley, including projects throughout Scottsdale. $89 HVAC Install Diagnostic + Next Day Guarantee is available.

Typical steps you’ll see:

• In-home visit and full system diagnostic
• Personalized solutions with upfront pricing and timing
• Unit selection, right-sizing, and placement planning
• Professional changeout, connections, and refrigerant work
• Startup, testing, thermostat setup, and maintenance plan review

Have your technician confirm final pricing after the on-site diagnostic before you approve work.

Updated: 2026-06-06

Need help in Scottsdale, AZ? Call (602) 899-0899 or book online. "AJ E. and Mike J. were fantastic to work with at Deer Valley Plumbing and Air Conditioning." — Mike F.