Your usage habits didn't change, but the electric bill jumped. In a Fort Lauderdale home, the air conditioner is by far the biggest electricity user — often half the bill or more — so a struggling system shows up in dollars before it shows up in comfort.
Salt-corroded outdoor coils, low refrigerant, and ductwork leaking cold air into a hot attic all force the system to run longer for the same cooling. Here's how to think about it, and what we check on a visit.
Rule Out the Simple Stuff
Compare the bill to the same month last year, not last month — August always costs more than April. Check whether the rate itself changed; utilities adjust rates and fees, and that moves the bill without any change in your home.
Then look at the filter and the outdoor unit. A matted filter or a condenser coil packed with debris and salt buildup makes the system work harder for every degree of cooling.
How an Aging System Drives the Bill Up
Efficiency doesn't fall off a cliff — it slides. A capacitor going weak makes the compressor draw more current. Refrigerant leaking slowly drops capacity, so runtimes stretch. Ducts that were merely leaky five years ago are worse now.
Beachside, salt air accelerates all of it. A condenser a few blocks from the Intracoastal or the ocean corrodes faster than the same unit inland, and corroded coils transfer heat poorly — which is exactly what raises the bill.
What We Test on a High-Bill Visit
We measure the system's actual performance: temperature split across the coil, refrigerant pressures, airflow, and electrical draw on the compressor and fan motors. That tells us whether the system is performing like it should or limping along.
If the equipment tests fine, we look at the ducts and the thermostat schedule. Sometimes the fix is sealing duct leaks or correcting a thermostat that's been fighting the homeowner — not new equipment.
Common questions
How much of my electric bill is the AC?
In a typical Fort Lauderdale home, cooling is the largest single load — commonly around half the summer bill. That's why AC problems show up in dollars first.
Will a new system really lower my bill?
If the old system is underperforming — low refrigerant, weak components, leaky ducts — then yes, a properly sized replacement with sealed ducts usually cuts cooling costs noticeably. We show you the system's measured performance before recommending anything.
My bill spiked in one month. Emergency?
Not usually, unless the system has stopped cooling or something smells hot. But a sudden spike deserves a check soon — something changed, and catching it early is cheaper.
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(561) 786-1337