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.
Fast, Reliable Furnace Repair Across Kennesaw
Furnace repair in Kennesaw typically runs $150-$700, and most no-heat calls get a same-day or next-day visit from our crew. If your home sits in a subdivision off Barrett Parkway, Due West Road, or Jiles Road, chances are the furnace was installed between 1985 and 2005 and sized by rule of thumb rather than an actual load calculation. That matters more than most people realize. We know these homes because we work on them every week, and we know the failure patterns before we even open the cabinet. When your heat cuts out on a cold January night, you don’t want a diagnosis phone tree. You want a person. Call (747) 966-3037 and a live voice answers, 24/7.
Why Meadowsweet Heating & Air Is Kennesaw’s Preferred Furnace Repair Company
Kennesaw homeowners call us because our diagnosis tends to find what three previous quotes missed. The housing stock here is unusually uniform: dozens of subdivisions built by a handful of regional developers between the mid-1980s and early 2000s, most with builder-grade equipment shoved into vented attics. When our techs pull up to a two-story off Kennesaw Due West Road, they already have a mental map of what’s likely wrong before the first panel comes off. That cuts diagnostic time and saves you money.
We don’t work on a commission structure. Our technicians are background-checked, uniformed, and held to the C.A.R.E. values code: Clean up like it’s their own home, Ask before moving anything, Respect the family’s time and quiet hours, Explain the price before the work. Shoe covers go on at the door. Drop cloths go down around the furnace. You get a photo of the clean-up before we leave. Every time, not as an add-on.
Luis Serrano leads our crew, and he’s built the kind of repair operation that answers the phone with a person at 3 a.m. Not a callback queue. Families in Kennesaw with kids, dogs, and early school mornings need a house that’s warm by sunrise, and that’s the standard we work to. The 365-Day Done Right Promise backs every repair: if it’s not done right, we make it right, no runarounds and no fine print.
Heating Repair in Kennesaw
Heating Repair in Kennesaw is rarely as simple as swapping a part. Because so many homes here were built in the 1985-2005 window with the same builder-grade equipment, we often find the furnace fault is actually a system problem: a blower motor laboring against undersized ductwork, a return pulling less air than the unit needs, or a heat exchanger that has been short-cycling since the previous winter and finally gave out. A straight part swap doesn’t fix those. Our repair work starts with what the furnace is telling us about the rest of the system.
When a Kennesaw homeowner calls us about no heat, we ask three questions before we quote: what’s the age of the furnace, has anything been replaced before, and does the system short-cycle or run constantly. Then we check static pressure, temperature rise, and the condition of the duct connections in the attic. That’s what separates a repair that lasts from one that fails again in March. A typical heating repair in Kennesaw runs $150-$700, depending on the part and how deep the airflow problem goes.
Ignitor and Gas Valve Work
Furnaces in the 1990s subdivisions off Jiles Road and Old 41 Highway often fail at the ignitor first. It’s a small ceramic part that gets brittle with age, and when it cracks, the furnace won’t light. We stock ignitors for the major brands on our trucks, so most of these are fixed in one visit. Gas valve failures are less common but more expensive, and we test manifold pressure and confirm the valve is actually the failed part before we quote it.
Blower Motor and Heat Exchanger Repairs
Blower motors die earlier here than they should, mostly because they’re pushing air through collapsed flex duct and mastic-free seams in unconditioned attics. We always check static pressure when a blower motor fails. Replacing the motor without addressing the airflow restriction is a guarantee of a second failure. Heat exchangers get special attention: if we find a crack, we’ll show you the camera image, explain what it means for carbon monoxide safety, and recommend replacement rather than repair. That’s a safety call, not an upsell.
Boiler Repair in Kennesaw
Boiler Repair in Kennesaw is a narrower specialty, not because boilers don’t exist here, but because most of the 1985-2005 tract stock went in with forced-air gas furnaces. Where we do see boilers, they’re usually in the older ranch homes along Cherokee Street and the custom builds tucked into the lots near Swift-Cantrell Park. These systems need a different diagnostic approach: water pressure, expansion tank condition, circulator pump health, and air bleed points all matter before you ever touch the burner.
A Kennesaw homeowner needs boiler repair when radiators stay cold on one side of the house, when the system makes knocking sounds that wake the dog, or when the pressure gauge keeps dropping. These failures don’t follow the furnace failure patterns in the tract subdivisions, which is why it matters that we work on both types and don’t try to force a boiler into a furnace checklist. Boiler repair in Kennesaw runs $150-$700, with the higher end covering circulator pump replacement and expansion tank work.
Circulator Pump and Expansion Tank Repairs
Circulator pumps are the most common boiler failure we see in the older Kennesaw homes. When the pump seizes, the boiler fires but heat doesn’t move through the loop. That’s a diagnosis we can confirm in a single visit, and we keep common pump cartridges in the van. Expansion tanks fail slower, but a waterlogged tank will cause the relief valve to drip and the pressure to swing, and that’s a repair that prevents a much bigger water mess later.
Trusted Brands We Service in Kennesaw
Meadowsweet Heating & Air carries parts and service expertise for the equipment most common in Kennesaw’s subdivisions and older homes. We service Rheem and York, which show up regularly in the 1990s tract builds, along with Daikin and Bryant in the early-2000s stock. Because our dispatch is coordinated from the Atlanta office and our crews serve Kennesaw locally, we can get a part from our local supply house to your door faster than a company calling from across the metro. Nine brands’ parts are within reach: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. If you’re not sure what’s in your closet, we’ll identify it during the first visit and keep the model on file for the next call.
Common Furnace Repair Problems We See in Kennesaw Homes
- Furnaces failing in waves across the same subdivision: When a street was built in 1994 by the same regional developer, every house likely got the same furnace. When one starts showing cracked heat exchangers, the neighbors’ units aren’t far behind. We see this constantly in the neighborhoods off Barrett Parkway, where identical equipment ages at the identical rate.
- Short-cycling furnaces that oversized by rule of thumb: Builders in the 1990s often sized furnaces by square footage and a guess, not by Manual J load calculation. An oversized furnace reaches the thermostat’s temperature setting quickly, shuts off, then starts again minutes later. That cycles the heat exchanger and blower motor to early failure, and it shows up as a repair that never seems to hold.
- Attic duct systems with collapsed flex and mastic-free seams: The plenum temperatures in a vented Kennesaw attic top 130°F in July. Original flex duct from the 1990s, with no mastic sealing at the joints, has often collapsed or separated by now. The furnace gets blamed for weak airflow, but the real problem is the ductwork. We check both before quoting a repair.
- Ignitor and flame sensor failures on original builder-grade equipment: The first thing to go on an original furnace is almost always the ignitor or flame sensor. These parts have finite lifespans under cycles from hot attics and undersized returns. Most are a straightforward fix, and we carry the common ones on the truck so a single visit gets you warm again.
Pricing for Furnace Repair in Kennesaw, GA
What you’ll pay depends on what’s actually broken, but here are the ranges for this market:
| Repair Type | Typical Cost in Kennesaw |
|---|---|
| Furnace Repair | $150-$700 |
| Heating Repair | $150-$700 |
| Boiler Repair | $150-$700 |
The lower end covers ignitors, flame sensors, capacitors, and thermocouples: parts that fail often and are replaced in under an hour. The upper end covers gas valves, blower motors, and heat exchanger work, where the part is expensive and the diagnostic time is longer. You’ll get a written price before any work starts, every visit, no exceptions. Call (747) 966-3037 and we’ll give you a firm number over the phone for most common repairs, not a vague range that changes when the tech arrives.
We Also Serve Cities Near Kennesaw
If you’re in Acworth, Marietta, Woodstock, or Powder Springs, our Furnace Repair team covers those neighborhoods too. The same crew, the same written price guarantee, and the same shoe-covers-and-drop-cloths standard. Whether you’re reading this from a subdivision in Kennesaw or a house near the Marietta square, our Kennesaw service area is built around fast response and a furnace diagnosis that actually holds.
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
Kennesaw’s 1985-2005 subdivisions were built by a handful of regional developers using the same builder-grade equipment, often installed by the same subcontractors, with the same ductwork practices. That means when one house on a street hits the end of its furnace’s life, the house three doors down is usually months, not years, behind. It’s not a coincidence: it’s the same equipment aging at the same rate under the same conditions.
Our crews see this pattern so often that we can often tell a homeowner what their neighbors will be facing before the neighbors even call. When we repair a furnace in a subdivision off Due West Road, we check the ductwork and static pressure while we’re there, because the problems that killed one unit are almost certainly present in the house next door. Call (747) 966-3037 and we’ll tell you whether your furnace is an isolated failure or part of the neighborhood wave.
If your furnace is original to a 1990s Kennesaw build and the repair quote pushes past $500, replacement usually makes more sense than repair. A 25-to-35-year-old furnace is past its designed service life, and the heat exchanger, blower motor, and control board are all aging at the same rate. A repair buys months, not years, and you’ll likely face another failure in the next season.
That said, the decision should be based on the whole system, not just the furnace. In homes where the attic ducts are original and mastic-free, we recommend a static pressure and load calculation check before quoting either repair or replacement. A new furnace on bad ductwork will fail early, and the same goes for a repair that ignores the airflow problem. We’ll show you the numbers and give you a written quote either way. Call (747) 966-3037 to schedule a diagnostic.
Short-cycling after a repair usually means the original problem wasn’t the one that got fixed. In Kennesaw’s tract homes, the most common culprit is an oversized furnace working against undersized returns and ducts that have collapsed or separated in the attic. The furnace reaches temperature quickly, shuts off, then restarts minutes later because the thermostat still reads the room, not the furnace.
We trace short-cycling by checking static pressure, temperature rise, and the actual duct connections in the attic. In a two-story subdivision off Barrett Parkway, our tech traced a no-heat call to a cracked heat exchanger on a builder-grade Carrier furnace that had been short-cycling since the previous winter. Because the attic duct runs were original, mastic-free, and showing collapsed flex at the joints, we recommended a full static pressure and load calculation check before quoting a replacement. The homeowner avoided a straight equipment swap that would have failed again within a season. Call (747) 966-3037 and we’ll do the same for your system.
Yes. Kennesaw sits in Georgia’s Piedmont foothills, and the humid-subtropical pattern means your furnace works two ways: hard heating in January and February, then months of summer heat cycling the blower and the indoor coil even when the burner isn’t firing. Ice events in winter put extra stress on the system’s cycle count, and the summer attic temperatures above 130°F age every component faster than the manufacturer’s maintenance schedule assumes.
A furnace in Kennesaw should be serviced once a year, and the best window is September or October, before the first real cold snap. That gives us time to catch a failing ignitor or a flame sensor that’s going to quit in January. We check the burners, the heat exchanger, the static pressure, and the condition of the attic ducts during the tune-up, because the ducts age with the furnace. A tune-up runs $80-$200, and it’s the cheapest insurance against a no-heat call on the coldest night of the year. Call (747) 966-3037 to schedule before the rush.
Furnace repair in Kennesaw runs $150-$700, with the most common repairs landing between $150 and $300. Ignitors, flame sensors, capacitors, and thermocouples are the frequent failures in our market, and those are all in the lower range. Gas valves and blower motors push toward $500-$700, especially when access is tight or the part isn’t already stocked on the truck.
You’ll never face a surprise number with us. We give you a written price before any work starts, on every visit, every time. If it’s not done right, the 365-Day Done Right Promise means we make it right, no runarounds. Call (747) 966-3037 and we’ll quote the repair over the phone for most common failures.
Written by Luis Serrano, Owner at Meadowsweet Heating & Air, serving Kennesaw with furnace repair and heating service.







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