Seasonal 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.
Before
After
Before
After
Before
AfterFast, Reliable Furnace Repair Across Kennesaw
When your furnace quits on a cold Kennesaw night, you need someone who answers the phone and shows up. Most furnace repairs in Kennesaw run $150 – $700, and our technicians arrive in background-checked, clearly marked vans with the price in writing before any work starts. We know the neighborhoods off Barrett Parkway, the subdivisions winding up toward Kennesaw Mountain, and the older homes along Cherokee Street where furnace failures follow predictable patterns. Call (361) 306-9515 and you’ll speak to a live person, not a voicemail queue, any hour of the day.
Why Dalton Heating & Air Is Kennesaw’s Preferred Furnace Repair Company
Local homeowners call us because we operate under The Garrison Standard, a set of rules that has governed every job since 2003. The standard is simple: arrive inside the stated window, put the price in writing before starting, do the work by the book, leave the site clean, and stand behind the repair for a full year. That guarantee is written, not implied, and it covers parts and labor on every furnace repair we perform in Kennesaw.
Marco Benitez leads our team with a simple expectation: if a repair fails within the guarantee period, we return at no charge. That’s the 365-Day Done Right Promise, and it applies whether you live in a 1990s subdivision near Due West Road or a newer build off Stilesboro Road. Our technicians are factory-trained on nine major brands, including Rheem, York, and Bryant, so we aren’t learning on your dime. We serve the full Kennesaw area, from 30144 to 30152, and our dispatch runs through the Atlanta office with crews stationed locally for faster response.
Homeowners in Kennesaw have told us what they’re tired of: no-shows, prices that change at the door, and techs who can’t explain what they’re fixing. We don’t do any of that. The price you’re quoted is the price you pay, and the technician who arrives is uniformed, background-checked, and trained to explain the repair in plain terms before turning a single screw.
Furnace Tune Up in Kennesaw
A Furnace Tune Up in Kennesaw is the most cost-effective way to avoid a mid-winter breakdown, and it runs $80 – $200 depending on system age and condition. Georgia winters may be milder than up north, but Kennesaw still gets nights in the low 20s, and that’s when a neglected furnace shows its age. During a tune-up, our techs clean the flame sensor, check the heat exchanger for cracks, test the ignitor, measure gas pressure, and inspect the blower motor and capacitor. We also check for undersized return ducts, which are common in Kennesaw’s 1980s and 90s subdivisions and cause short-cycling that wears out components years early.
What a Tune-Up Catches Early
Most of the furnace breakdowns we see in Kennesaw start small: a dirty flame sensor, a weak capacitor, a burner with corrosion from humid summer air sitting in a garage or crawlspace. A tune-up finds these before they become no-heat calls. We write up what we found, what we fixed, and what might need attention next season, with no pressure to replace anything that still has life in it.
When to Schedule
September and October are the smart months for a furnace tune-up in Kennesaw. That’s before the first real cold snap, so you get ahead of the rush and your system runs clean when you need it. Technicians are not paid on what they sell, so the tune-up price stays flat and the report reflects what’s actually there.
Emergency Furnace Repair in Kennesaw
Emergency Furnace Repair in Kennesaw means someone answers the phone at 2 a.m., a live person, and a technician is dispatched to your home with the parts likely needed for your system. A no-heat call in January, when temperatures drop into the 20s, is a genuine emergency, especially for households with children, elderly family members, or anyone with a health condition. Most emergency furnace repairs in Kennesaw fall within the $150 – $700 range, and the price is written before work starts, no overtime markup on top of the quote.
Calls are routed through our 24/7 dispatch, and a real person coordinates the response. We keep common parts stocked for Rheem, York, Daikin, and Bryant systems, so many emergency repairs are completed the same visit. If the furnace is too far gone to repair safely, we walk you through the numbers honestly and help you find a replacement that fits, rather than patching a dying system and charging you again in a month.
What Counts as a Real Emergency
A furnace that won’t light, a burning smell, a loud banging sound, or repeated cycling on and off are all reasons to call immediately. Carbon monoxide alarms should never be ignored. If the heat is out and the temperature inside is dropping, call (361) 306-9515 before you try anything else.
Same-Visit Repairs We Commonly Make
Flame sensor cleaning or replacement, ignitor swaps, capacitor replacement, and gas valve repairs are all jobs our techs can typically complete on the first visit. The fix gets done, the price stays what was written, and the repair is guaranteed in writing for a full year.
Trusted Brands We Service in Kennesaw
Our technicians are factory-trained to service Rheem, York, Daikin, and Bryant furnaces, along with five other major residential brands. If your Kennesaw home has a Rheem from the mid-2000s or a Bryant installed more recently, we know the common failure points on those specific units and we stock the parts that fail most often. That means fewer second visits and less time waiting with no heat. We don’t play favorites with brands; we fix what you have, and if it makes more sense to replace, we give you real numbers for a correctly sized system.
Common Furnace Repair Problems We See in Kennesaw Homes
- Short-cycling from undersized return ducts. Homes built in the 1980s and 90s around Due West and Burnt Hickory often have return ductwork too small for the furnace, which overheats the system and trips the high-limit switch. The fix might be a duct modification, not a new furnace.
- Ignition and flame-sensor failure after humid summers. Georgia humidity settles in garages and crawlspaces, corroding burners and dirtying flame sensors. This is the most common no-heat call we run in Kennesaw between November and January.
- Blower motor and capacitor wear on aging systems. Fifteen to twenty year old furnaces off Stilesboro Road and around Kennesaw Mountain regularly show blower motors pulling high amps and capacitors out of spec. These can be repaired, but we always compare repair cost against replacement so you aren’t sinking money into a system near the end of its life.
- Cracked heat exchangers on systems past their warranty. A cracked heat exchanger is a safety issue, not a patch job. When we find one, we shut the system down, explain the risk in plain language, and give you repair and replacement numbers side by side.
Pricing for Furnace Repair in Kennesaw, GA
Furnace repair in Kennesaw runs $150 – $700 for most jobs. A flame sensor replacement sits at the low end; a blower motor or gas valve lands higher. Furnace tune-ups run $80 – $200. No job starts without a written price, and that price doesn’t move after the work begins. What affects cost? The part, the system’s age, and whether it’s a straightforward component swap or a deeper diagnosis. Estimates are free, and we’ll tell you if a repair makes sense or if you’re better off putting that money toward a replacement.
| Service | Typical Price Range in Kennesaw |
|---|---|
| Furnace Repair | $150 – $700 |
| Furnace Tune Up | $80 – $200 |
We Also Serve Cities Near Kennesaw
Dalton Heating & Air handles Furnace Repair across Cobb County. Homeowners in Acworth, Marietta, Woodstock, and Powder Springs get the same written pricing, same-year guarantee, and same 24/7 live phone support as our Kennesaw customers. The drive time changes; the standard doesn’t.
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 Furnace Repair in Kennesaw
Most furnace repairs in Kennesaw run $150 – $700, with tune-ups at $80 – $200. The range depends on the part: a flame sensor is on the low end, a blower motor or gas valve on the higher end. You get the exact price in writing before any work begins, and that price includes a full-year written guarantee. Call (361) 306-9515 for a free estimate.
The rough rule: if the repair costs more than 30 – 40% of a new system and your furnace is over 15 years old, replacement usually makes more sense. But it’s not just age. Kennesaw’s housing stock varies wildly, and a correct replacement starts with a room-by-room load calculation, not a same-size swap. We’ll show you both sets of numbers and let you decide.
Two houses on the same street in Kennesaw can need different furnace sizing. A 1990s home with single-pane windows off Due West loses heat differently than a newer tight-build off Stilesboro. A load calculation measures the actual heat loss of your specific home, so you don’t buy a furnace too big (which short-cycles and wastes energy) or too small (which runs constantly and still can’t hold temperature).
SEER2 is the updated efficiency rating for HVAC equipment, measuring cooling output per unit of energy. Higher numbers use less electricity. But SEER2 applies to air conditioning and heat pumps; for furnaces, the number that matters is AFUE, which measures how much fuel becomes usable heat. An 80 AFUE furnace wastes 20 cents of every gas dollar; a 95 AFUE wastes only 5. We’ll explain what your current system is rated and what the upgrade actually saves on a Kennesaw gas bill.
Yes. We answer the phone 24/7 with a live person, and we dispatch emergency furnace repair to all Kennesaw neighborhoods, including homes near Kennesaw Mountain, off Burnt Hickory Road, and throughout 30144 and 30152. The repair is priced in writing before work starts, and the guarantee is the same full year as any other call. If you have no heat and the temperature is dropping, call (361) 306-9515 now.
Written by Marco Benitez, Owner at Dalton Heating & Air, serving Kennesaw and surrounding Cobb County communities.