Most larger hvac repair jobs in Surprise need a permit and inspection; repairs often do not. Here is what to check before work starts.
Check the official Surprise permit portal: https://www.surpriseaz.gov/1308/Building-Permits. Replacements, re-piping and new installs typically need a permit; simple repairs usually do not. Ask the contractor in writing who will handle filing and inspection, and whether those fees are included.
https://www.surpriseaz.gov/1308/Building-Permits — apply online, check requirements, book inspections.
Licence and certification requirements depend on the work and jurisdiction. Ask which requirement applies, then verify the provider at the official lookup before work begins.
Sierra Montana, Sun City Grand (45+) and Marley Park: Serving Surprise and the wider Maricopa County area. Peak season: ['Jun-Sep cooling', 'Dec-Feb heating'] - book early in Surprise. The hvacrepair surprise listing tracks local availability.