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 estimateHVAC Company in Kennesaw, GA
Kennesaw’s mix of 1970s and 1980s split-levels, humid Georgia summers, and dense tree cover creates HVAC problems you won’t find in newer subdivisions. Older ductwork, original systems, and condensers buried under kudzu and oak shade all change how repairs are diagnosed and priced here. We’re Brandt HVAC Co Marietta, and we serve Kennesaw homeowners with written pricing before any work starts, background-checked technicians sent to you by name and photo, and a live person answering the phone 24/7 at (478) 662-5175.
Why Kennesaw Homes Are Different
Kennesaw’s housing stock is dominated by mid-to-late 20th century single-family homes, many of them split-levels and ranches built during the city’s suburban expansion in the 1970s and 1980s. These homes often sit on crawlspaces or basements, and their ductwork was sized for equipment that’s far less demanding than modern high-efficiency units. When a replacement goes in, the ducts frequently need modification, not just a new outdoor unit bolted on.
The climate compounds the problem. From May through September, hot, humid air and frequent afternoon thunderstorms push cooling systems hard. That humidity accelerates coil corrosion and feeds the mold and algae that clog condensate drains. In older neighborhoods like the ones off Cherokee Street, technicians regularly find outdoor condenser units shaded by mature oaks and overgrown with kudzu. Short cycling and high head pressures follow, something local techs call the “Kennesaw jungle effect.” None of this is exotic to us. It’s just what the work looks like here.
Styles & brands we work with
Our Main Kennesaw Services
When a Kennesaw home’s system fails, it’s usually one of three calls: a dead air conditioner in July, a furnace that won’t fire in January, or a homeowner trying to head off both with regular maintenance. Each service has its own detailed page.
AC Repair in Kennesaw
Air conditioning in Kennesaw runs hard from May through September, and the humidity means coils corrode faster and drains clog more often than in drier climates. We find low refrigerant, failed capacitors, bad contactors, and algae-blocked condensate lines all summer long. The tree cover here means outdoor units work hotter than they should. We diagnose the exact fault, hand you a written price before any work starts, and stand behind the repair with a written guarantee. That’s the AC Repair in Kennesaw page for full details on common failures and what they cost to fix.
Furnace Repair in Kennesaw
Furnaces in Kennesaw don’t get as much use as the AC, but they still fail, often in the first cold snap when nobody’s thought about the heat in months. Igniters crack, flame sensors get coated, gas valves stick, and blower motors seize. Many of the older Kennesaw homes still run original furnaces from the 80s, and those units are at the point where repairs need honest recommendations about whether to fix or replace. See the Furnace Repair in Kennesaw page for common furnace jobs and their price ranges.
AC Maintenance in Kennesaw
In Kennesaw’s climate, a skipped maintenance visit is an expensive gamble. Pollen in spring, high humidity all summer, and tree debris from the heavy canopy around older neighborhoods all foul coils and clog drains. A tune-up here means cleaning the condenser, checking refrigerant levels, clearing the drain line, and measuring capacitor health before the failure happens. We recommend annual service for any Kennesaw system over eight years old. Full details, including what the flat-fee tune-up covers, are on the AC Maintenance in Kennesaw page.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Kennesaw
We service all major residential brands found in Kennesaw homes, including Trane, Lennox, Goodman, and Rheem, among others. Our techs carry common parts locally stocked for these systems, so most repairs don’t wait on an order. See our brands page for the full list and what we keep on the truck.
See the difference
Before
After
Before
AfterPricing for HVAC Company in Kennesaw, GA
| Service | Typical range in Kennesaw |
|---|---|
| AC repair (common jobs) | $150 – $650 |
| Furnace repair (common jobs) | $150 – $700 |
| Full AC installation | $3,500 – $7,500 |
| Tune-up (annual maintenance) | $80 – $200 |
What pushes a Kennesaw price toward the top of those ranges? Access. Crawlspace work, kudzu-covered condensers that need clearing before diagnosis, and undersized ductwork that must be corrected on a replacement all add labor. What doesn’t change is how we price: you get a written number before any work begins, and that number doesn’t move unless you approve a change in writing first.
Neighborhoods We Serve in Kennesaw
We cover all of Kennesaw and the surrounding communities, with most calls answered same-day or next-day depending on the season and the nature of the failure. Representative neighborhoods include:
- Neighborhoods off Cherokee Street
- Subdivisions around Kennesaw Due West Road
- Communities near Jiles Road
- Areas around Stilesboro Road
- Neighborhoods off Cobb Parkway
Service Area – Cities Near Kennesaw
We also serve homeowners in Acworth, GA, Marietta, GA, Woodstock, GA, and Powder Springs, GA. If you’re just outside Kennesaw, call us and we’ll confirm coverage directly.
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 HVAC Company in Kennesaw
Most calls inside Kennesaw are scheduled same-day or next-day. During the first heat wave of summer or a January cold snap, volume pushes that window out a bit, but the phone is answered by a live person 24/7 who can tell you the next available slot honestly. For a truly dead system in extreme weather, we prioritize emergency calls.
Kennesaw city code requires mechanical permits for replacements and certain repairs, which we pull as part of the job. Some neighborhoods, especially the newer ones and those with active HOAs, also have rules about where a condenser can sit and what it can look like. We handle those details so the installation passes both inspection and any HOA review without surprises.
Yes. Most of our Kennesaw calls are on 1970s and 1980s split-levels and ranches with original or aging equipment. That means our techs see undersized ducts, crawlspace issues, and kudzu-covered outdoor units every week. Before the visit, you’ll receive the technician’s name and photo, and they’ll show a photo ID at the door, so you know exactly who’s arriving.
If your heat or air is acting up in Kennesaw, call (478) 662-5175 for a free estimate. A live person answers, day or night, and you’ll get a written price before any work starts. It’s the only way we do business.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Kennesaw Customers Say
"Replaced our 18-year-old AC with a new high efficiency one. Gave three options with real numbers and did not push the priciest."
- Elena V."Very thorough check on the whole system before summer. Found a worn belt and swapped it for cheap."
- Jerome F."We felt safe having them in the house. Polite and careful with the carpet."
- Beverly D.