Furnace & heating
AC repair
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
Halden Heating & Air handles heating and air conditioning work across Kennesaw, and the jobs here look different from what you’d find 15 minutes down the road. Kennesaw’s mix of 1960s ranch homes, 1980s split-levels, and 2000s-era subdivisions means a technician might service an original 1970s gas furnace on one street and a high-efficiency Trane system on the next. The humid subtropical climate pushes cooling systems hard from May through September, while spring pollen and high humidity create recurring coil and dehumidification challenges. If you need straight answers on cost, timing, or the right fix for your specific Kennesaw home, call our team at (229) 514-0545.
Why Kennesaw Homes Are Different
Kennesaw’s residential growth since the 1990s created something you rarely see in nearby Marietta or Acworth: newer subdivisions and older ranch homes sitting on the same block. That patchwork means our technicians pivot constantly. A 2005 home off Jiles Road might have a properly sized duct system and a high-efficiency Lennox unit, while a 1968 brick ranch near downtown Kennesaw might still run an original gas furnace paired with a newer air conditioner. That mismatched setup creates real efficiency problems. The furnace is typically oversized for the ductwork, which is often undersized by modern Manual J load calculation standards. We approach each Kennesaw job by checking what’s actually there, not assuming the system matches the house.
Climate adds another layer. Hot, muggy summers drive heavy cooling demand, and high humidity means coil cleanliness matters more here than in drier parts of Georgia. A dirty evaporator coil in Kennesaw’s climate doesn’t just reduce cooling output – it encourages mold growth and makes the whole system work harder to remove moisture from the air. Older homes with original insulation lose conditioned air faster, which affects how we size replacement equipment. We account for the house, not just the square footage.
Styles & brands we work with







Our Main Kennesaw Services
Most Kennesaw homeowners reach out for one of three things: AC repair during the summer, furnace repair when January drops below freezing, or full AC replacement when an older unit gives out. Each service has its own dedicated Kennesaw page with deeper pricing and process details.
AC Repair in Kennesaw
Summer air conditioning failures in Kennesaw rarely wait for a convenient time. The combination of high heat, high humidity, and pollen means coils clog, capacitors fail, and refrigerant leaks surface right when you need cooling most. In older Kennesaw neighborhoods around downtown, we regularly find newer air conditioners paired with aging ductwork, which creates airflow problems that get misdiagnosed as compressor failures. We check the whole system before quoting a repair. Every diagnostic includes a written price before any work begins, and the repair carries a written guarantee. AC Repair in Kennesaw covers our full process and repair pricing.

AC Installation in Kennesaw
Replacing an air conditioner in Kennesaw isn’t a one-size-fits-all job. The wide range of housing stock means we size each system to the actual home – a 2000s subdivision house off Barrett Parkway needs different equipment than a 1970s ranch near the Kennesaw Mountain battlefield. Older homes often have ductwork that can’t support a high-efficiency unit without modification, so we factor that into the quote. We stock or order equipment from major brands, and every installation includes a written fixed price before equipment is ordered. AC Installation in Kennesaw walks through sizing, brand options, and installation timing.

Furnace Repair in Kennesaw
When January temperatures dip into the 20s, Kennesaw’s older furnaces get their annual stress test. In homes built before 1980, it’s common to find original gas furnaces still in operation, often with cracked heat exchangers or failing ignition systems that show no symptoms until the coldest night of the year. Newer subdivisions have their own issues, typically control board failures and blower motor problems from constant winter cycling. We diagnose the actual fault, quote a written price for the repair, and back it with our 365-Day Done Right Promise. Furnace Repair in Kennesaw explains what we check and what repairs typically cost.

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
Our Kennesaw technicians work on Trane, Lennox, Goodman, and Rheem systems, among others. We keep common repair parts in local van stock for faster same-week service, and when a less common part is needed, we quote a timeline before you commit. See our brands for the full list of equipment we’re certified to service.
See the difference
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After
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Before
AfterPricing for HVAC Company in Kennesaw, GA
| Service | Typical Range in Kennesaw |
|---|---|
| AC repair (general) | $150 – $650 |
| Furnace repair (general) | $150 – $700 |
| Full AC installation | $3,500 – $7,500 |
| Annual tune-up | $80 – $200 |
| Capacitor replacement | $150 – $350 |
| Thermostat replacement | $150 – $450 |
| Condensate drain clearing | $150 – $350 |
| Ignitor or flame sensor replacement | $150 – $400 |
What pushes a Kennesaw repair toward the upper end of these ranges? Equipment age and accessibility. A 1970s furnace wedged into a tight crawlspace takes longer to service than a modern unit in a garage closet, and specialty parts for older systems often cost more. Whatever the job, you’ll see a written price before any work begins. No door-step surprises, no “while we’re here” add-ons without your written approval.
Neighborhoods We Serve in Kennesaw
We run calls throughout Kennesaw, from the established neighborhoods around downtown and the Kennesaw Mountain area to newer subdivisions along Barrett Parkway and Jiles Road. If you’re within Kennesaw city limits or the immediate surrounding area, we can typically reach your home same-day when you call before early afternoon.
- Downtown Kennesaw and the older ranch neighborhoods surrounding it
- Kennesaw Mountain area, including communities off Old 41 Highway
- Subdivisions along Barrett Parkway and Jiles Road
- Neighborhoods near Kennesaw State University
- Communities off Mack Dobbs Road and the northwest corner of the city
Service Area – Cities Near Kennesaw
Beyond Kennesaw itself, our technicians cover several nearby Cobb County and Cherokee County communities. If you’re located in Acworth, GA, Marietta, GA, Woodstock, GA, or Powder Springs, GA, we can schedule the same level of written-price, guaranteed service we provide in Kennesaw. Call (229) 514-0545 and a live person will confirm our current availability in your area.
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
In most cases, same-day service is available when you call before early afternoon. During peak summer weeks in Kennesaw, demand is highest, so morning calls get priority for same-day scheduling. You’ll always get a live arrival time you can track, not a four-hour window. Call (229) 514-0545 and we’ll tell you what today looks like in real time.
Some Kennesaw subdivisions have architectural review requirements for exterior equipment placement, especially when replacing an outdoor condenser. We’ll flag any placement changes that might need HOA sign-off during the quoting process, and we handle standard city permitting on installation jobs. Repair work typically needs no permit.
Yes. Our technicians regularly work in Kennesaw’s older ranch and split-level homes, including those with original 1970s furnaces and retrofitted air conditioning. These jobs often require adapting modern equipment to existing ductwork, which we handle as a standard part of installation and major repair quotes.
Ready for a written price and a live arrival time? Call Halden Heating & Air at (229) 514-0545. A real person answers, day or night, and you’ll know the cost before any work starts.
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
"Solid repair on a drain line. Had to rebook for a part, but it was quick."
- Rosie F."Fast response and clear updates. Booked in the morning and the tech was here before lunch."
- Noah M."Furnace ignitor replaced. Paid online, no paperwork."
- Ivy R.