AC Not Turning On — what it means + real repair cost in Florida 2026

1995
Median year homes were built in Lee County
20.7%
Share of Lee County homes built before 1980

U.S. Census Bureau, ACS 5-Year Estimates · public county data, not a national estimate

What it usually means

A completely dead AC is usually a small electrical part or a safety switch doing its job — many Florida 'dead' systems were shut off on purpose by a float switch catching a drain clog.

Handle it soon — these get more expensive with time. Reset the breaker once at most. And leave the outdoor unit's electrical panel closed — capacitors hold a stored charge that can bite well after the power is off.

Common causes:

• A tripped float switch — the safety that kills the system when the condensate drain backs up, saving your ceiling

• A failed capacitor, the most common electrical failure in Florida's heat — often announced by a hum from the outdoor unit

• A tripped breaker or blown disconnect fuse at the outdoor unit

• Dead thermostat batteries or a loose thermostat wire — the cheapest fix on this list

Red flags when hiring

• A replacement conversation before the capacitor, breaker, float switch, and thermostat have been checked

• A tech who resets the float switch without clearing the drain clog that tripped it

• Cash-only pricing with no written invoice for the diagnosis

• No state license number — Florida licenses air-conditioning contractors at the state level

Quick answers

Why would a float switch shut my whole AC off?

Because the alternative is condensate overflowing into your ceiling or floor. When the drain line clogs, the switch cuts the system rather than let the pan spill — so the real fix is clearing the drain, not bypassing the switch.

The breaker trips again as soon as I reset it — now what?

Stop resetting and call a licensed pro. A breaker that won't hold is protecting the circuit from a short or a seized compressor, and forcing it repeatedly risks wiring damage or fire.

What this usually costs in Florida

AC repair (capacitor / fan / minor): $150–$1,200 (typical ~$400)

A compressor is the expensive failure — often $1,500–3,000+.

Local permit records we track for Lee County lean toward the "mid" cost tier for hvac work nearby.

Curated Florida 2026 estimate — installed cost for a typical FL single-family home, not a bid.

Licensing & permits in Florida

Florida licenses this trade at the STATE level (DBPR / CILB (Class A/B)). Hiring unlicensed for this work is illegal for the contractor — and risky for you: no permit rights, no insurance backing, no recourse.

Work like this often requires a county permit — a legitimate pro pulls it, not you.

Basis: FL Stat. 489 (DBPR state licensing).

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Related HVAC problems

AC Blowing Warm Air · AC Capacitor Failed · AC Capacitor Replacement Cost

Covered: Lee · Pinellas · Sarasota · Charlotte · Hillsborough · Manatee  |  As of 2026-08-05  |  Local numbers appear only when the sample is large enough to protect privacy.