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HVAC Service in Kennesaw, GA

AC Repair in Kennesaw, GA

When the AC quits on a 95°F Kennesaw afternoon, you need a straight answer fast. We test before we recommend a part — and show you the reading.

Same-day service across Kennesaw & Acworth — 24/7 during ice storms and heat waves.

HVAC technician testing an air conditioner capacitor during an AC repair at a Kennesaw, GA home

When your air conditioner stops cooling on a humid Kennesaw afternoon, the house heats up fast — and a small problem like a clogged condensate drain can turn into ceiling damage before dinner. Our licensed technicians diagnose the actual cause, explain it in plain English, and give you a written price before any chargeable work begins.

Atlanta-area July normals include an average daily high near 89°F and roughly 47 cooling degree days at base 65°F. That workload exposes weak capacitors, low refrigerant, dirty coils, and drainage problems — often all at once. We carry the common parts on the truck so most repairs are finished the same visit.

AC Repair in progress at a Kennesaw, GA home by a licensed HVAC technician

Signs Your Kennesaw AC Needs Repair

The same symptom can have several different causes, which is why we test rather than guess. Call us if you notice any of these:

  • Air conditioner runs but blows warm or room-temperature air
  • Weak airflow from the vents, or some rooms far warmer than others
  • Ice on the refrigerant lines or the indoor coil
  • Water pooling around the indoor unit or a stopped-up condensate drain
  • The unit short-cycles — turning on and off every few minutes
  • Warm, sticky, humid air even while the system runs all day
  • Burning, musty, or electrical smells, or loud buzzing/clicking at the outdoor unit
  • A breaker that keeps tripping when the AC starts

How Our AC Repair Visit Works

You'll know the arrival window, the diagnostic fee, and the repair price before we start.

  1. 1

    Safe triage & arrival

    We confirm the appointment window and diagnostic charge on the phone, then arrive and verify the symptom, thermostat status, and any safety concern like standing water or an electrical smell.

  2. 2

    Full-system diagnosis

    We test the likely causes — capacitor and contactor readings, refrigerant charge, airflow, coil condition, the condensate drain and float switch, and thermostat operation — instead of swapping parts on a hunch.

  3. 3

    Written options & your approval

    We explain the diagnosis, show you the readings, and give you written repair options. Nothing chargeable happens until you approve the price.

  4. 4

    Repair, test & clean up

    We complete the approved repair, verify the system is cooling and draining correctly, clean the work area, and document parts and readings so you have a record.

Why Kennesaw AC Problems So Often Involve Humidity and Drainage

In our hot, humid summers the indoor coil pulls a lot of moisture out of the air, and that water has to leave through the condensate system. A clogged drain, dirty coil, failed pump, or poor slope can trip the safety switch and shut the system down — or leave a home clammy even when the AC is 'working.'

That's why a no-cooling call isn't always a refrigerant problem. We check the drain path, pan, and float switch alongside the electrical and refrigerant side so you get the real cause the first time.

Repair or Replace? An Honest Answer

If the fault is isolated and the system is otherwise reliable, a repair is usually the smart move. But when failures repeat, comfort stays poor, or a major component like the compressor fails on an older unit, we'll walk you through replacement options — including a proper load calculation — so you can decide without pressure.

What AC Repair Costs in Kennesaw

Published Atlanta-area research puts most AC repairs in the $150–$650 range, with a refrigerant recharge often $150–$650 depending on the leak, and a thermostat replacement around $150–$500. These are regional context ranges, not a quote — your price depends on the diagnosis.

We publish our diagnostic policy up front, tell you whether it applies toward the repair, and never make you infer the cost from vague 'upfront pricing' language. If a part is on back-order, we tell you and give you options.

What affects your price:

  • The failed component — a capacitor is far cheaper than a compressor
  • Refrigerant type and how much a verified leak requires
  • Whether the repair is a stand-alone fix or part of an aging, repeat-failure system
  • Accessibility of the equipment (attic, crawl space, tight closet)
  • Emergency or after-hours timing during heat waves

Why Kennesaw homeowners choose HVAC Kennesaw GA for ac repair

We’ve spent 15+ years on Cobb County’s systems, and it shows in how we handle a ac repair call: we test first, explain the reading, and put the price in writing before we touch anything chargeable.

  • 4.9★ from 214+ Kennesaw & Cobb County homeowners
  • GA Licensed Conditioned-Air Contractor · EPA Section 608 Certified Technicians
  • Written options and your approval before any chargeable work
  • Same-day service across Kennesaw & Acworth — 24/7 during ice storms and heat waves.

4.9★ Rated

214+ local reviews

Licensed & Insured

GA conditioned-air · EPA 608

24/7 Emergency

Same-day across Kennesaw

15+ Years

Serving Cobb County

AC Repair across Kennesaw & Cobb County

We bring ac repair to homes and businesses throughout Cobb County — from Acworth and Marietta to the East Cobb and West Cobb subdivisions, plus every Kennesaw neighborhood. We’re dispatched from 3600 Kennesaw N Ind Pky, so response times stay short across the area.

Frequently Asked Questions

Can you repair my AC the same day in Kennesaw?
Most of the time, yes. We stock common parts — capacitors, contactors, fan motors, thermostats — on our trucks, so a large share of Kennesaw AC repairs are finished on the first visit. Call +1 (327) 210-5999 early on a heat-wave day for the best same-day window.
Why is my AC running but not cooling?
Common causes include a failed capacitor, low refrigerant from a leak, a clogged condensate drain tripping the safety switch, a dirty or frozen coil, or an oversized system that short-cycles. We test each of these rather than guessing, then show you the reading behind the diagnosis.
Do you charge a diagnostic fee?
Yes — a straightforward diagnostic covers the technician's time to properly test your system and identify the real cause. We tell you the fee before we come out and whether it applies toward an approved repair, so there are no surprises.
My AC is frozen over — what should I do?
Turn the system to 'off' and set the fan to 'on' to help the ice melt, and don't keep restarting it. A frozen coil usually means an airflow restriction (dirty filter or coil) or low refrigerant — both of which we can diagnose. Call us before running it again to avoid compressor damage.
Do you warranty your AC repairs?
Yes. Our labor is backed by a workmanship guarantee, and any parts we install carry the manufacturer's warranty on top of that. We give you the specific coverage terms in writing with your invoice, so if a part we replaced fails early, you're not paying twice.
How long does a typical AC repair take?
Most common Kennesaw repairs — a capacitor, contactor, fan motor, or a cleared condensate drain — take under two hours once we've diagnosed the fault. A refrigerant leak repair or a coil issue takes longer because it involves recovery, sealing, and recharging. We give you a realistic time estimate before we start.

Get ac repair you can trust in Kennesaw

Same-day service across Kennesaw & Acworth — 24/7 during ice storms and heat waves.

3600 Kennesaw N Ind Pky, Kennesaw, GA 30144

AC Repair across Kennesaw & Cobb County

We bring this service to every community we cover — including your Kennesaw neighborhood.

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