AC repair
Furnace & heating
Heat pumps
Ductless mini splits
Carrier
Trane
GoodmanSeasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateFast, Reliable AC Repair Across Kennesaw
When your air conditioner dies on a 94-degree July afternoon in Kennesaw, you need the exact opposite of a vague appointment window and a stranger at the door. You need a number you can call right now, a real person who answers, and a technician whose name and photo you already have in your hand before the truck pulls up.
That’s how AC Repair works at Brandt HVAC Co Marietta. We serve Kennesaw with same-day service for most AC failures, written pricing before any work begins, and a 365-Day Done Right Promise on every repair we make. Call (478) 662-5175 and a live person answers, 24 hours a day, 7 days a week.
Key Takeaways
- AC repair in Kennesaw typically runs $150 – $650, with the exact figure written down for you before any work starts.
- We send every technician’s name and photo before arrival, and they show a photo ID badge at the door.
- Every repair is guaranteed for 365 days. If it fails, we return free of charge.
- Call (478) 662-5175, day or night, and a live person picks up. No voicemail, no callbacks.
Why Brandt HVAC Co Marietta Is Kennesaw’s Preferred AC Repair Company
Kennesaw homeowners don’t just want cool air. They want to know exactly who is on the other side of the door before they unlock it. That is the core of what we do, and it is the reason our AC Repair in Kennesaw customers stick with us year after year.
Every Brandt HVAC technician passes a background check before they ever set foot in a Kennesaw home for Kennesaw AC Maintenance or repairs. That background check is part of the Threshold Verified standard, which means identity-verified, uniformed, and badged. Before your appointment, you receive the technician’s name and photo by text or email. When they arrive, they show a photo ID badge at the door. If someone shows up who you weren’t told to expect, that visit is on us and we make it right.
We know this matters differently depending on where you live. A split-level on Cobb Parkway has a different schedule than a ranch off Barrett Parkway. A retired couple off Jiles Road worries about different things than a young family off Cherokee Street. Our techs know the neighborhoods because they work in them daily.
Devin Marlowe, who leads our team, puts it plainly: a repair is only half the job. The other half is making sure you feel safe and informed from the first phone call to the final handshake.
Styles & brands we work with
Emergency AC Repair in Kennesaw
Emergency AC Repair in Kennesaw means a system that has stopped cooling during a stretch when indoor temperatures climb into the high 80s or worse, often with a child, an elderly parent, or a pet in the house. Georgia’s heat and humidity make a dead AC a health risk, not just a comfort problem. We treat it that way.
Most emergency AC repair calls in Kennesaw run $150 – $650, depending on the failed part. We give you a written price before any work begins, so you know exactly what you are approving. No overtime penalty, no weekend surcharge, no vague estimates that balloon later. Call (478) 662-5175 and a live person answers immediately, nights, weekends, and holidays included.
What An Emergency Call Involves
The tech arrives, diagnoses the failure, and shows you the written price. You approve it. The repair happens. For local parts, we often finish the same visit. For less common parts, we tell you exactly when we will return, and we hold to that schedule. Every emergency repair carries a 365-day guarantee in writing.
When To Call Now
If the breaker is tripping repeatedly, if the outdoor unit is making a loud rattling or grinding sound, or if the system is running but the air coming from the vents is warm, call now. Waiting usually makes the repair more expensive, not less.
AC Not Blowing Cold Air in Kennesaw
AC Not Blowing Cold Air is the single most common call we get in Kennesaw between May and September, and most of the time the root cause is one of four things: a failed capacitor, a refrigerant leak, a clogged condenser coil, or a frozen evaporator coil. The fix usually lands between $150 – $650, and we write the exact number down before touching a single component.
In this climate, the humidity itself often does the damage. Warm, moisture-heavy air accelerates coil corrosion. Condensate drain lines clog with algae and mold. A system that loses cooling power bit by bit until one day it just can’t keep up.
What We Check First
Capacitors are the number-one failure point on hot days. They absorb the electrical surge when the compressor or fan motor starts, and Kennesaw’s heat pushes them hard. A weak capacitor is a $150 – $400 fix, usually done in an hour. We check it before anything else.
The Kennesaw-Specific Culprit
Around the split-levels and ranches off Cherokee Street and Watts Drive, the problem is often the “Kennesaw jungle effect.” Condenser units get buried under kudzu and shaded so heavily by mature oaks that airflow drops to next to nothing. The system overheats, head pressure spikes, and the compressor shuts itself down on a thermal overload. It looks like a major failure, but clearing the vegetation and cleaning the coil often restores full cooling the same day.
Trusted Brands We Service in Kennesaw
Brandt HVAC services all major residential brands, including Trane, Lennox, Goodman, and Rheem. That covers the vast majority of units installed in Kennesaw’s 1970s and 1980s housing stock, and the newer systems going into renovated homes across town. We keep common local parts in stock for fast turnaround: capacitors, contactors, fan motors, and thermostats. If your system needs a less common component, our supply network in the metro area gets it to your door quickly, usually within one business day.
See the difference
Before
After
Before
AfterCommon AC Repair Problems We See in Kennesaw Homes
- Kudzu and oak pollen clogging condenser coils. Kennesaw’s older neighborhoods have dense tree cover, and what’s shaded and beautiful is also a slow killer for outdoor units. Pollen builds up on fins, airflow drops, and head pressure climbs until the compressor trips. Regular condenser cleanings stop this.
- Undersized 1970s ductwork straining newer systems. Many Kennesaw split-levels and ranches were built with ductwork sized for systems from 50 years ago. A modern high-efficiency unit connected to that ductwork runs with high static pressure, which wears out blower motors faster and can trip safety limits.
- Rooftop and closet air handlers with restricted access. Split-level homes often have air handlers packed into tight closets or awkward rooftop mounts. Blower motor and evaporator coil work in those spaces takes patience, and we do it right rather than doing it fast.
- Condensate drain clogs from humidity and algae. Kennesaw’s hot, humid summers create the perfect conditions for drain line blockages. A clogged line backs water up into the pan and triggers a float switch, which shuts the system down completely. It’s a quick fix if caught early.
Pricing for AC Repair in Kennesaw, GA
A typical AC repair in Kennesaw runs $150 – $650. Here’s how that breaks down:
| Service | Typical Cost in Kennesaw |
|---|---|
| AC Repair (parts and labor) | $150 – $650 |
| Tune-Up / Preventive Maintenance | $80 – $200 |
What drives the final number is the failed part. A capacitor replacement runs on the lower end. A compressor or fan motor repair runs higher. We stock common parts locally and give you a written price before any work begins, on every single job, with no exceptions. Call (478) 662-5175 for a free estimate.
We Also Serve Cities Near Kennesaw
Our AC Repair team covers Kennesaw and the surrounding communities of Acworth, Marietta, Woodstock, and Powder Springs. If your home sits on the edge of town or you recently moved just outside city limits, call us and we’ll confirm we can reach you the same day. Dispatch and scheduling are coordinated from the brand’s Atlanta office, with crews serving Kennesaw locally.
Serving Kennesaw, GA - Our Local Coverage Area
We’re based in the Kennesaw area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About AC Repair in Kennesaw
Short cycling, where the system turns on and off every few minutes, is most often caused by an oversized unit, a failing thermostat, low refrigerant, or a clogged filter. In Kennesaw ranch homes with dense tree cover, the “jungle effect” makes it worse: a condenser that can’t breathe triggers a high-pressure safety switch and shuts the compressor down early. Clearing the vegetation and cleaning the coil often stops the cycle immediately. Call (478) 662-5175 and our techs will diagnose it and give you a written price before any work starts.
Yes, and it is a common solution for Kennesaw’s split-level homes, many of which were built with undersized ductwork that struggles to reach upper floors. A ductless mini split lets us cool specific rooms without running new ducts, and the work is typically less invasive and faster than a full duct replacement. We service all major brands and can walk you through the pricing. Call (478) 662-5175 for a free estimate.
A failed capacitor is the most frequent culprit, especially during Kennesaw’s hot, humid stretches when outdoor units run for hours at a time. But clogged condenser coils from oak pollen and kudzu, frozen evaporator coils, and low refrigerant from slow leaks all show up regularly here. Most of these repairs run $150 – $650, and we always give you a written price before any work begins. Call (478) 662-5175 for a diagnosis.
For most repair work, no permit is required. Repairs like capacitor replacement, fan motor swaps, and refrigerant recharges are typically handled without permits. New system installations and major relocations are a different story, and we handle any paperwork that applies. If your side yard makes access difficult, that’s a problem we handle daily in Kennesaw’s older neighborhoods. Call (478) 662-5175 and we’ll confirm what applies to your specific situation.
We schedule rooftop work during standard daytime hours and use careful access methods to minimize noise. Our technicians have worked on rooftop and closet-mounted air handlers throughout Kennesaw’s townhome and condo communities, where neighbor proximity is tight. Restricted access makes this work slower by nature, but we take that time rather than cutting corners. Call (478) 662-5175 to schedule, and we’ll give you a written price before any work starts.
Written by Devin Marlowe, Owner at Brandt HVAC Co Marietta, serving Kennesaw and northwest metro Atlanta.