AC tips for Miami, FL homes
Answers to the questions that come up on real service calls across Miami-Dade, written by Sylvia Denton, our HVAC Guides Editor, from technicians' field notes.
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Quick answer
Short, practical guides on keeping a Miami air conditioner running: what causes leaks, what replacement costs, how to prepare for hurricane season, which thermostat settings work in our humidity, and when to repair or replace.
All guides
Why your AC is leaking water in Miami
The drain line, the float switch and the two-minute checks before you call.
Learn moreWhat an AC replacement costs in Miami-Dade
Typical ranges by tonnage and efficiency, plus the FPL rebate math.
Learn morePreparing your AC for hurricane season
Tie-downs, surge protection and what to do after the power comes back.
Learn moreThe best thermostat settings for Miami humidity
Temperature, fan mode and humidity settings that work in our climate.
Learn moreHow often to change your AC filter in Miami
Why Miami filters clog faster and how to pick the right one.
Learn moreHeat pump vs air conditioner in Miami
How they differ, what they cost and which fits a Miami home.
Learn moreSeven signs your Miami AC needs replacing
Age, refrigerant, repair history and the other signals that matter.
Learn moreReplacing a condo AC in Miami: rules and tips
Association approvals, elevators, system types and leak protection.
Learn moreFPL AC rebates explained for Miami homeowners
How utility rebates for efficient AC generally work, and what to ask first.
Learn moreWhat size AC does a Miami home need?
Why sizing by square footage alone goes wrong in humid Miami homes.
Learn moreMini-split vs central air in Miami
How ductless and central systems compare for Miami homes and additions.
Learn moreWhy your AC smells musty in Miami
Where musty AC smells come from and what actually fixes them.
Learn moreHave a question a guide will not answer?
Call and talk to someone who works on Miami systems every day.