New AC Unit Cost in Arizona:
The Honest Guide for 2025

A new AC unit in Arizona typically costs $10,300–$17,100 installed depending on the system size, efficiency rating, and brand. A 3-ton Trane XR15 for a 1,600–2,000 sq ft home runs approximately $10,300–$14,000 installed. A RunTru by Trane entry-level system for the same home runs approximately $10,300–$10,600 installed. Bradford provides a free in-home estimate with written pricing before any commitment.

AC sizing in Arizona is calculated using Manual J load calculations that account for your home's square footage, insulation, window area, and orientation. As a rough guide: 1,200–1,600 sq ft needs a 3-ton system; 1,600–2,200 sq ft needs a 3.5–4-ton system; 2,200–3,000 sq ft needs a 4–5-ton system. Bradford performs proper Manual J calculations for every installation — an oversized or undersized system will cost you more in the long run.

In Arizona, where your AC runs 8–10 months per year, a higher SEER rating pays back faster than in cooler climates. The minimum in Arizona is SEER 14. Bradford recommends SEER 16–18 for most homeowners — the energy savings typically pay back the premium within 3–5 years. SEER 20+ systems are available for maximum efficiency but have longer payback periods.

Most AC installations in Arizona are completed in one day — typically 4–8 hours depending on the complexity of the installation. Bradford schedules installations early in the morning to minimize the time your home is without cooling during Arizona's hot season.

Yes. Bradford offers 0% financing for 60 months on Trane systems and 6.99% for 120 months on RunTru systems through Wells Fargo. For a typical $8,500 system, the 0%/60-month payment is approximately $142/month. Apply in minutes — same-day approval in most cases.

If your furnace or air handler is over 15 years old, replacing both at the same time is usually more cost-effective than replacing just the AC. Mismatched components reduce efficiency and can void the warranty on the new unit. Bradford will assess your entire system and give you an honest recommendation.

Trane XR and XL Series systems come with a 10-year parts warranty when registered within 60 days of installation. RunTru by Trane comes with a 5-year parts warranty. Bradford also provides a workmanship guarantee on the installation itself. All warranty details are provided in writing before installation begins.

Yes — Bradford offers a 10% senior discount for qualifying homeowners on all HVAC services including new system installation. Ask about this discount when you call (623) 624-6246 or book your free in-home estimate.