Kennesaw · Cobb County, Georgia
HVAC in Kennesaw, GA — Fast, Honest Heating & Cooling
Same-day AC and furnace repair, right-sized installations, and 24/7 emergency service — from licensed local technicians who test before they recommend a part.
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
Our Services
Complete HVAC service for Kennesaw homes & businesses
Repair, installation, maintenance, and indoor air quality — every visit built around testing, written options, and your approval before we start.
AC Repair
Same-day diagnosis and repair for warm air, weak airflow, frozen coils, and electrical faults.
AC Installation & Replacement
Right-sized central air conditioners installed with a real load calculation and humidity in mind.
Furnace Repair
Fast, safe repair for gas and electric furnaces — no heat, short cycling, odd smells, and ignition faults.
Furnace Installation & Replacement
High-efficiency gas and electric furnaces sized and installed to carry a North Georgia freeze.
Heat Pump Installation & Repair
Install and repair for heat pumps that cool and heat efficiently through North Georgia's mild winters.
Ductless Mini-Split Systems
Ductless mini-splits that finally cool the bonus room, sunroom, garage, or addition your main system can't reach.
HVAC Maintenance & Tune-Ups
Spring AC tune-ups and fall furnace checks that catch small problems before they become no-cooling and no-heat calls.
HVAC Installation & Replacement
Whole-system replacement — AC, furnace, and heat pump installs sized right for Georgia's climate.
Heating Repair
Repairs for every heat source — gas and electric furnaces, heat pumps, and heat strips.
24/7 Emergency HVAC Repair
Around-the-clock HVAC response for Kennesaw — heat waves, ice storms, nights, and weekends, with stocked trucks.
Emergency AC Repair
Priority dispatch when the AC dies in a Kennesaw heat wave — fast diagnosis, stocked trucks, written pricing.
Refrigerant Leak Repair & Recharge
We find the leak, repair it, and recharge to spec — instead of just topping off a system that leaks again.
No heat or no cooling right now? We run priority emergency dispatch, day or night.
+1 (327) 210-5999Before We Arrive
What to do first when your HVAC quits
A few safe steps can protect your home and speed up the fix — without risky DIY. When in doubt during extreme heat, a freeze, or with a vulnerable resident at home, call first.
Check the thermostat & breaker once
Confirm the mode and setpoint, then check the HVAC breaker a single time. Repeated resets aren't a repair — and can be unsafe if there's an electrical fault.
Look for water & ice
Standing water at the indoor unit or drain pan is urgent in our humidity — wet materials should be dried within 24–48 hours to limit mold. Ice on the lines means you should shut it off.
Stop for burning smells or sparking
A burning odor, smoke, or sparking is a safety issue first. Turn the system off, keep clear, and call — don't keep running equipment that's leaking or arcing.
Photograph it, then call
Snap the thermostat display, model plate, any error code, and the outdoor unit. Those photos help us triage accurately over the phone and arrive with the right parts.
Expert tip: photograph the thermostat, model plate, error code, water, and outdoor unit before cleanup — it lets us triage over the phone and arrive ready to fix it.
The Kennesaw Difference
Most Kennesaw HVAC problems are really humidity problems
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, poor slope, or failed pump can trip the safety switch and shut the system down — or leave a home clammy even when the AC seems to be “working.”
That’s why a no-cooling call isn’t always a refrigerant problem. We read the symptoms through a humidity-and-drainage lens so you get the real cause the first time — not just a top-off that fails again in August.
- Musty odor or visible moisture — we inspect the condensate drain, pan, and coil, not just the refrigerant.
- Sticky rooms even while the AC runs — usually runtime, sizing, or duct leakage, not a low charge.
- Repeated drain clogs — we find the source of the buildup instead of clearing the same clog twice.
- Ice on the coil — an airflow or refrigerant issue we test before you keep restarting it.
Why Homeowners Choose Us
The honest, local HVAC company Cobb County trusts
We test, then tell you the price
No guessing from the thermostat. We diagnose the real cause, show you the reading, and give you a written price to approve before any chargeable work starts.
Humidity & drainage specialists
Kennesaw's humid summers punish condensate drains and coils. We connect sticky rooms and water leaks to the real cause instead of just topping off refrigerant.
24/7, genuinely
We answer the phone at 2 a.m. during ice storms and heat waves, with stocked trucks for same-day repairs across Kennesaw and Acworth.
Licensed, insured, EPA-certified
A Georgia conditioned-air contractor with EPA Section 608 technicians. We handle permits and explain warranties in plain English.
We know your subdivision
From 1970s Shiloh Hills ranches to Legacy Park townpark homes, we've serviced the systems your neighborhood was built with — and know when they're due.
Honest repair-or-replace advice
Age alone doesn't decide it. We weigh repair cost, efficiency, and future risk, and we'll tell you when a repair is the smarter call.
How We Work
Our transparent diagnostic & repair process
You’ll always know the arrival window, the diagnostic fee, and the repair price before we start — the plain-language process our competitors leave you to guess at.
- 1
Call & safe triage
We record the symptom, address, and any safety concern, then confirm the appointment window and diagnostic fee up front.
- 2
Arrive & test
We inspect safely and test the likely electrical, refrigerant, airflow, drainage, and control causes — no guessing from the thermostat.
- 3
Explain in plain English
You get the diagnosis with the actual reading behind it, and written repair, maintenance, or replacement options.
- 4
Your approval first
Nothing chargeable happens until you approve the price. If a part is on back-order, we tell you and lay out the options.
- 5
Repair, test & clean up
We complete the approved work, verify it's cooling, heating, and draining correctly, and clean the work area.
- 6
Document & follow up
We document parts, readings, and recommendations, then explain the warranty and what to do if the symptom returns.
Straight Answers
Repair, replace, or maintain? An honest framework
Age alone doesn’t decide it. We weigh the repair cost against system age, repair frequency, efficiency, comfort, refrigerant type, ductwork, and expected future costs — then tell you what we’d do in your shoes.
Makes sense when the fault is isolated, the system is otherwise reliable, parts are available, and the fix fits your plans for the home.
Worth it when failures repeat, comfort stays poor, efficiency is inadequate, or a major component like the compressor fails on an aging unit — always with a load calculation, not just a bigger box.
The priority when the system runs safely and you want seasonal reliability, clean drainage, steady airflow, and better humidity control.
What HVAC work costs in the Kennesaw area
These are published Atlanta-area ranges for context — not a quote. Your price depends on the diagnosis, parts, refrigerant, and access, which is why we give you a written number to approve first.
- AC repair
- $150 – $650
- Refrigerant recharge
- $150 – $650
- Furnace repair
- $130 – $650
- Seasonal tune-up
- $75 – $200
- Thermostat installation
- $150 – $500
- Central AC installation
- $3,500 – $7,500
- Full AC + furnace replacement
- $5,000 – $12,500
Ask us four questions before you book anyone: what the diagnostic fee is, what it covers, whether it applies toward the repair, and how long the work should take. Financing is available — we’ll walk you through the total cost, APR, term, and any promotional expiration in plain terms.
Comparing systems for our climate
A larger unit isn’t automatically better in Kennesaw’s humidity. Final selection always follows a load calculation and a ductwork check.
| System | Cost | Efficiency & comfort | Best for |
|---|---|---|---|
| Central AC + Gas Furnace | $$ | Strong cooling; dependable heat in a freeze | Homes with good ductwork and a gas line |
| Heat Pump | $$ | Efficient cooling and heating in mild winters | All-electric homes wanting lower operating cost |
| Dual-Fuel (Heat Pump + Furnace) | $$$ | Efficiency most of the year, gas backup in hard freezes | Larger homes that want the best of both |
| Ductless Mini-Split | $$ | Quiet, zoned comfort with no ductwork | Bonus rooms, additions, and tough spaces |
Cost shown relative ($$ – $$$). SEER2 ratings, refrigerant type, and rebates are reviewed with your written estimate.
Locally Owned & Operated
Kennesaw neighbors, not a national call center
We're based right here at 3600 Kennesaw N Ind Pky and we service the subdivisions we live near — Legacy Park, Shiloh Hills, Country Creek, Downtown Kennesaw, and beyond. That local knowledge means faster arrival, accurate diagnosis, and advice tuned to how North Georgia's humid summers and ice-storm winters actually treat your equipment.
- Straight-talking technicians who explain the diagnosis
- Written options and pricing before any chargeable work
- Permits handled and warranties explained up front
- EPA 608–certified refrigerant handling
Service Areas
Serving Kennesaw & all of Cobb County
From our north-Kennesaw base we cover Cobb County and reach into Cherokee, Bartow, Paulding, and north Fulton — plus your specific Kennesaw neighborhood. We know the routes: we’re minutes from Kennesaw Springs, Kennesaw Station, Shiloh Plantation, and Northgate, and we work the streets around Swift-Cantrell Park, Kennesaw Mountain, and Kennesaw State University every week.
Cities & communities
Licensed · Permitted · Warrantied
Credentials you can verify before you book
Georgia conditioned-air license
We're a licensed Georgia conditioned-air contractor. Class I covers systems up to 175,000 BTU heating / 60,000 BTU cooling; Class II is unrestricted. License and insurance details are available before you book.
EPA Section 608 certified
Refrigerant is handled by EPA 608–certified technicians — required by law and essential to a leak repair or recharge that actually holds.
Permits & warranties, explained
We pull the permits your job needs under the City of Kennesaw / Cobb County 2024 International Mechanical Code process, register equipment, and put warranty terms in writing.
Reviews
What Kennesaw & Cobb County homeowners say
214+ verified reviews
“Kept our heat on through the January ice storm. Our Legacy Park house was down to 54°F and they had a tech out the same evening with the igniter part already on the truck.”
Marcus D.
Emergency Furnace Repair · Legacy Park, Kennesaw
“Our 1970s Shiloh Hills ranch stopped cooling on a 98°F afternoon. They found a failed capacitor, showed me the reading, and had us cold again in under an hour. No upsell.”
Priya S.
AC Repair · Shiloh Hills, Kennesaw
“Living near Lake Allatoona meant our house always felt sticky even with the AC running. They right-sized a dehumidifier and explained the dew-point issue instead of just selling us a bigger unit.”
Tom & Rachel B.
Whole-Home Dehumidifier · Acworth (Lake Allatoona)
“Replaced the original system in our 1980s brick colonial. They did an actual load calculation, checked the ductwork, and walked me through SEER2 options line by line. Fair, honest, professional.”
Denise W.
AC Installation · East Cobb (Walton area)
“The crawl-space ducts under our 1978 ranch were sweating and half-collapsed. They sealed and replaced the worst runs and the back bedrooms finally cool evenly now.”
Carlos M.
Ductwork Repair · Country Creek, Kennesaw
“Added a mini-split to a converted attic room in our older downtown cottage near Depot Park. Clean install, quiet, and no ductwork demolition. Exactly what we needed.”
Amanda R.
Ductless Mini-Split · Downtown Kennesaw (Depot Park)
HVAC Advice
From our Kennesaw HVAC blog
Furnace Short Cycling During Cold Snaps: Causes & Fixes
If your furnace fires up, quits after a few minutes, then repeats, it is short cycling. Learn the common Kennesaw causes, what is safe to check, and when to call.
Read article Emergency & Urgent RepairsBurning Smell When the Heat Kicks On: Dust, Wires or Worse?
That burning odor when your furnace fires up for the first time each fall is sometimes harmless dust and sometimes a warning. Here is how to tell them apart safely.
Read article Seasonal ChecklistsFall Furnace Check Before North Georgia's First Freeze
Before the first North Georgia freeze, run through this fall furnace checklist so a cold night does not turn into a no-heat emergency call.
Read articleFind Us
Your Kennesaw HVAC service hub
Visit / Service Hub
HVAC Kennesaw GA
3600 Kennesaw N Ind Pky, Kennesaw, GA 30144
24/7 Emergency Service
Get DirectionsFrequently Asked Questions
Do you offer 24-hour emergency HVAC repair in Kennesaw?
How much does HVAC repair cost in Kennesaw, GA?
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Should I repair or replace my HVAC system?
How often should HVAC systems be serviced in Georgia's climate?
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What HVAC system is best for hot, humid Kennesaw summers?
Ready for honest HVAC help in Kennesaw?
Same-day service across Kennesaw & Acworth — 24/7 during ice storms and heat waves.
3600 Kennesaw N Ind Pky, Kennesaw, GA 30144