AC and HVAC Guides for South Florida

Practical guides to hiring an air conditioning company, understanding repairs, and keeping your system running through the South Florida heat. Written by our editorial team, grounded in public sources.

• The AC Maintenance Schedule a Miami-Dade Home Actually NeedsThe AC maintenance schedule Miami-Dade actually needs: why year round runtime, coastal salt air, and humidity demand more than the national once a year default.
• AC Permits by City in Miami-Dade County: Who Issues Yours and What It CostsMiami-Dade has 34 incorporated cities plus the unincorporated county, and each one issues its own AC permit at its own price. See which office is yours.
• AC Permits and the HVHZ Code in Miami-Dade: What Homeowners Need to KnowIn Miami-Dade every AC change out needs a mechanical permit plus HVHZ approved equipment and tie downs. Compare residential permit fees by jurisdiction.
• How Much Does AC Repair and Replacement Cost in Miami-Dade?See what AC repair and replacement cost in Miami-Dade in 2026: change-out prices by tonnage, permit fees by city, the surcharge stack, and the FPL rebate.
• AC Repair or Replacement: How to Decide in Miami-DadeRepair or replace your Miami-Dade AC? Weigh compressor age, R-22 refrigerant, the 50 percent rule, and South Florida install costs by tonnage before you decide.
• AC Sizing and SEER2 in the Miami Climate: A Homeowner's GuideHow to size a new AC for Miami-Dade's heat and humidity: Manual J load calculations, Florida's 14.3 SEER2 minimum, and why oversizing leaves homes clammy.
• AC Water Leaks and Clogged Condensate Drains in Miami-DadeIn Miami-Dade the condensate drain is a code inspected AC part with a set Florida Building Code spec. Learn why humid runtime clogs it and how to check it.
• Salt Air and AC Corrosion in Coastal Miami-Dade: A Homeowner's GuideWhy salt air corrodes AC condensers faster in coastal Miami-Dade, which communities face the most exposure, and how coastal maintenance should differ.
• Hiring a Commercial HVAC Contractor in Miami-Dade CountyHow Miami-Dade businesses vet a commercial HVAC contractor: Class A versus Class B tonnage limits, DBPR license verification, insurance floors, and permits.
• Common AC Problems in Miami-Dade, Ranked by What Causes ThemThe AC failures most common in Miami-Dade, ranked by cause: salt air coil corrosion, formicary leaks, condensate clogs, capacitor burnout, compressor wear.
• Condo AC and Recertification in Miami-Dade County: What Boards Should KnowWhat Miami-Dade condo boards and property managers should know about AC systems under the state's milestone inspection law and 40 year recertification.
• AC Emergencies in Miami-Dade: When to Call and How to Stay SafeAn AC failure in Miami-Dade heat can turn dangerous fast. Learn what counts as an emergency, how to stay safe, and the storm restart rule before you call.
• Heat Pump Heating and Cooling for Miami-Dade HomesHow a heat pump cools and heats a Miami-Dade home with one system, current SEER2 and HSPF2 standards, sizing guidance, 2026 costs, and the FPL rebate status.
• How to Choose an AC Company in Miami-DadeHow a Miami-Dade homeowner vets a trustworthy AC contractor: verify the DBPR license, confirm insurance, require a Manual J, and check the mechanical permit.
• Hurricane Season AC Prep for Miami-Dade HomeownersIn Miami-Dade's hurricane zone, a permitted AC is already anchored to a 175 mph code. Learn what storm readiness really means and how to verify yours.
• Professional AC Tune-Ups in Miami-Dade: What They Include and Why They MatterWhat a professional AC tune-up in Miami-Dade covers, task by task, why the near year-round cooling season makes it matter, and how to judge a maintenance plan.
• Indoor Air Quality and Duct Health in the Miami ClimateHumidity, not dust, drives indoor air quality in Miami-Dade homes. See the 50 to 55 percent target, why oversized ACs breed mold, and the R-6 duct rule.
• How to Verify a Florida HVAC Contractor LicenseVerify a Florida AC contractor license on the DBPR portal, understand Class A vs Class B and CAC codes, and avoid unlicensed work in Miami-Dade County.