Pricing Methodology

What our ranges are

Every low, typical, and high range on this site is an editorial planning estimate. It is not a local quote, a survey result, an invoice sample, or a measured city average. We do not currently publish a sample size, data collection period, or provider averages behind these ranges because we do not have a validated dataset to cite.

City pages use statewide estimates

City pages repeat the same statewide planning ranges. They are not the result of independent research in each city. Local differences are described as factors to check, not as measured price differences.

What a range usually assumes

• A common residential scope for the named job
• Standard access and working conditions
• Typical parts or equipment for that scope
• Business-hours scheduling unless the page is about emergency service

What is usually excluded

• Hidden damage found during the job
• Code upgrades, electrical panel work, or duct replacement unless stated
• Permit fees that vary by jurisdiction
• After-hours premiums unless stated
• Financing costs and taxes

What moves your actual price

• The specific diagnosis and parts required
• Labor and accessibility
• Urgency and after-hours timing
• Permits and code requirements
• Brand, warranty, and equipment efficiency
• Seasonal demand

Planning estimates versus the AC calculator

The New AC Unit Cost Calculator uses a separately configured equipment catalog and pricing model managed by PlumbAirAZ. Its result is still an estimate. Neither the guide ranges nor the calculator result is a binding quote.

How to get a real price

Ask a licensed provider for a written, itemized quote that lists equipment model numbers, labor, permits, disposal, warranty, and any exclusions. For major work, compare more than one written quote if you can. Submitting a request on this site does not guarantee multiple quotes.

Technical sources we cite

• U.S. Department of Energy, 2023 central air conditioner and heat pump standards FAQ (October 5, 2022): Southwest SEER2 and EER2 minimums. Checked November 8, 2026. Does not support any price.
• U.S. Department of Energy FEMP, maintenance guidelines for common water equipment: general maintenance principle. Checked November 8, 2026. No Arizona lifespans.
• City of Mesa, Common Water Quality Concerns: Mesa hardness about 12 to 22 grains per gallon by source. Checked November 8, 2026. Mesa water service only.