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 Kirby
Furnace repair in Kirby, TX typically costs between $150 and $700, and most issues can be diagnosed and fixed in a single visit. If your heat is out on a cold morning, our Furnace Repair team can be at your Kirby home fast. Kirby sits entirely inside San Antonio’s boundary, but it’s its own city with its own permitting rules, which matters more than most homeowners realize when a furnace gets replaced or repaired. Call (747) 966-3037 and a live person answers, day or night.
Why Meadowsweet Heating & Air Is Kirby’s Preferred Furnace Repair Company
We know Kirby not as a suburb of San Antonio, but as a distinct city with its own code enforcement, its own inspectors, and a housing stock that tells a very specific story. When summer temperatures rise, homeowners often call our AC Repair in Kirby for help with systems pushed to their limits. Most homes here were built between the 1950s and 1970s on slab foundations, with central HVAC retrofitted into floor plans that were originally designed around window units. That retrofit legacy matters. When we pull up to a Kirby home, we’re already thinking about the undersized trunk lines, the single return air grille, and the static pressure problems that come with the territory.
Luis Serrano leads our Kirby service area, and the standard he sets is simple: write the price before any work starts, protect the floors while we work, and take a photo of the cleanup before we leave. That’s the Cedarwell Care Promise, and it applies to every visit in Kirby, no exceptions. Our Furnace Repair in Kirby customers regularly mention the shoe covers and drop cloths as the first thing they noticed, before we even opened the furnace cabinet. That’s intentional.
Boiler Repair in Kirby
Boiler Repair in Kirby is less common than furnace work, but for the homes that have hydronic heat, it’s critical. A boiler failure in a Kirby winter, especially during one of Bexar County’s damp cold snaps, can leave a house without heat for days if parts aren’t on hand. Our boiler repairs in Kirby run $150-$700 depending on what’s failed, and we carry common ignition components and circulator parts on the truck to avoid a second trip.
Circulator and Zone Valve Work
Older Kirby homes with boiler heat often have original cast-iron circulators that have outlived their seals. We replace the bearing assemblies and align the coupling rather than selling a whole new pump when it isn’t needed. That’s the difference between a $200 repair and a $1,400 replacement, and we’ll show you the worn part before we make the call.
Heat Exchanger and Aquastat Diagnostics
When a Kirby boiler short-cycles or won’t hold temperature, the aquastat is usually the first suspect, but a cracked heat exchanger can mimic the same symptoms. We test with a combustion analyzer before recommending any repair, so you’re not paying for parts that won’t solve the problem. Written pricing comes first, every time.
Gas Furnace Repair in Kirby
Gas Furnace Repair in Kirby follows a pattern we’ve seen hundreds of times: the furnace is a Goodman or Rheem from the late 1990s or 2000s, it’s been swapped like-for-like at least once, and it’s now fighting ductwork that was sized for window units. Gas furnace repairs in Kirby cost $150-$700, and the most important part of our job is figuring out not just what broke, but why it broke. A new ignitor on a system with 0.9 inches of static pressure will fail again. We’d rather tell you that upfront.
Ignitor, Flame Sensor, and Gas Valve Repair
Kirby’s summer heat means furnaces sit idle for seven months and then get asked to run hard in November. Dust, corrosion, and spider webs on the flame sensor are the most common culprits behind no-heat calls in this area. We clean and test the sensor first, then move to the ignitor, and only replace the gas valve if the manifold pressure and electrical signal confirm it’s actually failed.
High-Limit and Overheating Repairs
Being a fully built-out urban enclave with dense pavement and aging tree canopy, Kirby gets hotter than surrounding areas, which pushes systems harder in the shoulder seasons. When a furnace trips its high-limit switch repeatedly in a Kirby home, the cause is almost always airflow, not the limit switch itself. We measure static pressure, inspect the return-air path, and find the restriction rather than resetting the switch and hoping for the best.
Trusted Brands We Service in Kirby
We service and repair furnaces from Goodman, Rheem, and York regularly in Kirby, and our techs are trained on Daikin equipment as well. Keeping common parts in local stock, like pressure switches, ignitors, and blower motors for these brands, means we can often complete a Kirby furnace repair in one visit instead of two. You shouldn’t have to wait on a part shipped from Dallas when your house is cold, and with our local parts availability, you usually won’t.
Common Furnace Repair Problems We See in Kirby Homes
- Undersized duct trunks and single returns. Homes built in the 1950s through 1970s in Kirby were frequently retrofitted with central HVAC after starting life with window units, and the ductwork often wasn’t resized. The furnace overheats and the heat exchanger cracks years early.
- Electrical panels that can’t keep up. Many Kirby homes still have 100-amp panels. A modern condensing furnace with an ECM blower and hot-surface ignitor draws more than the old standing-pilot units, and sometimes a panel upgrade needs to happen first.
- High-limit switch trips on cold mornings. We can add an extra $30 service call to any furnace repair we do: we’ll explain the fix in plain language and show you the part that failed.
- Warranty paperwork voided by the wrong permit. This is the one nobody talks about. A furnace replacement in Kirby that was permitted through San Antonio leaves the homeowner with an unpermitted install and a manufacturer warranty that’s technically invalid. We pull Kirby permits, not San Antonio ones.
Pricing for Furnace Repair in Kirby, TX
Furnace repair in Kirby runs $150-$700 for most jobs, with the majority of repairs landing between $200 and $400. A diagnostic visit, where we test the system and give you a written price before any work starts, is part of every service call. Here’s where the money goes:
| Service | Typical Kirby Price Range |
|---|---|
| Gas furnace diagnostic and repair | $150-$700 |
| Boiler repair | $150-$700 |
The biggest cost variables are whether a major component like a blower motor or gas valve has failed, and whether your Kirby home’s ductwork or electrical panel needs attention alongside the furnace. We never charge overtime, and our after-hours emergency rates are the same as daytime rates. Call (747) 966-3037 for a free estimate and a straight answer.
We Also Serve Cities Near Kirby
While this page is written for Kirby homeowners, our crews serve the surrounding metro regularly. We work in Houston, San Antonio, Dallas, and Fort Worth, which means our San Antonio dispatch office can route a technician to Kirby quickly even during busy cold snaps. If you’re in one of those cities, give us a call and we’ll get you scheduled.
Serving Kirby, TX - Our Local Coverage Area
We’re based in the Kirby 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 Kirby
The City of Kirby, not San Antonio. Kirby is an independent municipality completely enclosed by San Antonio, and its permitting jurisdiction is separate. Any contractor that pulls a San Antonio permit for a Kirby furnace replacement has pulled the wrong permit, and the Kirby inspector will typically fail the inspection or the job will remain unpermitted. We pull Kirby permits on every replacement we do here.
Because the high-limit switch is doing its job. The switch trips when the furnace gets too hot, and in Kirby’s older homes, the root cause is almost always airflow: undersized ducts, a single return for the whole house, or a dirty blower wheel. A tune-up that doesn’t measure static pressure won’t catch it. Call (747) 966-3037 and we’ll measure it.
Yes, and here’s why. If your home’s original ductwork was sized for window units and then modified for central air, a like-for-like furnace swap just recreates the same airflow problem on new equipment. The furnace short-cycles, overheats, and the heat exchanger fails early. A load calculation tells us what the house actually needs, which often saves you money on the equipment and years of grief on the repair side.
We check it as part of every replacement estimate. Homes in Kirby built through the 1970s often have 100-amp panels, and a modern condensing furnace with an ECM blower can push that panel near its limit when the AC is running too. If your panel needs upgrading, we’ll tell you before we do anything else, and we’ll coordinate the electrical work so the whole job is permitted through Kirby correctly. Call us for a straight answer at (747) 966-3037.
We repair and service furnaces from Goodman, Rheem, York, and Daikin, along with Carrier, Trane, Lennox, Bryant, and American Standard. Our techs are trained across all nine brands, and we keep common repair parts for the most popular Kirby models stocked locally. If your furnace isn’t on this list, call us anyway; we’ll tell you honestly if we can help.
When your furnace fails in Kirby, you need a repair, not a sales pitch. Call (747) 966-3037 now. We’ll answer live, schedule a time that works for your family, and show up with shoe covers, drop cloths, and a written price before any work starts. That’s the Cedarwell Care Promise, and it’s how every Kirby furnace repair should be done.
Written by Luis Serrano, Owner at Meadowsweet Heating & Air, serving Kirby since the company’s founding.







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