(888) 560-0120

Top-rated independent heating and cooling across South Florida

Leaky Duct Diagnosis

Leaky duct diagnosis is the job of finding where conditioned air escapes your duct system before it reaches your rooms, and we do this work for homeowners across Florida. You need it when one room never cools, the AC runs long cycles without satisfying the thermostat, or you see dust streaking around supply registers. Attic ducts here take a beating from heat and humidity, and tape lets go at the joints. Call us and we will schedule a look at the system with you.

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  • Open every day
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Taking calls until 5:00 PM ET

HVAC technician at work

What the diagnosis involves

We start at the air handler and work outward. That means measuring airflow at the registers, comparing it room to room, and then following the trunk and branch runs into the attic or crawl space to find the leaks by hand and by eye. Disconnected boots, crushed flex, failed mastic and open plenum seams are the usual finds. We map what we see, note where the return side is pulling hot attic air, and explain which repairs will actually change how the house feels.

What we check and what we correct

We check duct connections at the plenum, every boot at the ceiling or floor, insulation condition on flex runs, and whether the return is sized for the equipment. Sagging duct that has lost its support strap gets rehung. Loose joints get mechanically fastened and sealed with mastic rather than tape that bakes loose. If the insulation jacket is torn or wet, we address that too, because sweating duct in a humid attic turns into stained drywall fast.

How we decide it is the right call

If your equipment tests fine on refrigerant and electrical but the house still will not hold temperature, the duct system is the next honest suspect. Same story if one end of the house runs several degrees warmer, if the air handler closet whistles, or if utility use climbed with no change in habits. We would rather tell you the ducts are sound and look elsewhere than sell sealing you do not need. You get what we found and what it will take.

What you get on every job

Written quote before any work

Covering 119 cities across Florida.

A real person answers

Open 7 days, 8:00 AM to 5:00 PM ET.

All major brands serviced

Carrier, Trane, Lennox, Goodman and more. We are not an authorized dealer for any of them.

Leaky Duct Diagnosis — quick answers

How do I know if my ducts are leaking and not the AC itself?

Weak airflow at some registers while others feel normal usually points at duct problems. If airflow is weak everywhere, it is more often the blower, filter or coil. We test both before deciding.

Can leaky ducts make my house humid?

Yes. Return leaks in a hot attic pull in humid air the system then has to dry out, so you get long run times and a clammy feeling even when the thermostat is satisfied.

Is duct sealing worth it if my system is old?

Often yes, but we will say so if it is not. If the equipment is near the end of its life, we talk through repairing duct now versus doing it during a replacement.

How it works

  1. Step 1

    Tell us the symptom

    Call or fill in the quote form and describe what changed. Warm air, short cycling, a breaker that keeps tripping, water stains on the ceiling. That detail helps us bring the right parts.

  2. Step 2

    We diagnose on site

    A technician checks the thermostat, the electrical side, refrigerant performance, airflow and the condensate line. We find the actual cause instead of swapping parts and hoping the problem stays away.

  3. Step 3

    You approve the repair

    We explain what failed, what it takes to fix it, and how long the part is likely to last. Nothing gets replaced until you say go, and we test the system before leaving.

Call (888) 560-0120
  • A real person answers
  • Open 7 days
  • Written quote before work starts

Why homeowners call us

  • Built for the salt airCoastal Florida is hard on outdoor equipment. Coils corrode, contactors pit, fan motors seize early. We look for that damage during every air conditioning repair so a small failure does not take the whole system down.
  • Condensate lines we actually clearBy late summer, drain lines clog with algae and shut systems off on the float switch. We clear the line, check the pan and the safety switch, and show you what caused the backup.
  • Heating tooCold snaps still arrive. We do heating repair and heater repair on heat pumps, strip heat and furnace repair where homes have one, so the system works in January as well as August.
  • Plain talk about older systemsIf a repair makes sense, we repair it. If a unit is failing in ways that will keep costing you, we say that too and lay out the options. You decide, not us.
  • All major brands, gas & electricEvery major HVAC brand, gas and electric, handled by an independent crew.
  • Straight answersWhen a replacement beats a repair, we tell you, sometimes before we roll a truck.

Leaky Duct Diagnosis

Part ofDuctwork Repair
QuoteWritten, upfront
Gas & electricBoth
Open7 days

Ready to book leaky duct diagnosis?

Describe the system and your ZIP. The written quote comes before any work.

  • A real person answers
  • Open 7 days
  • Written quotes
  • All major brands
  • Gas & electric
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