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Get your free estimateLennox HVAC in Katy, TX
We provide independent Lennox service across Katy, from the Cinco Ranch subdivisions to the newer blocks going up along the Grand Parkway. The thing that makes our Lennox work here different is familiarity with the exact equipment builders put in these homes: the Merit Series condenser on the side of the house, the air handler jammed into the second-floor closet. We’re an independent shop, not authorized or sponsored by Lennox, and we say that plainly. Lennox is one of nine major brands we service, alongside Carrier, Trane, Goodman, and the rest. Cooling or heating, we handle both. Call (866) 834-7590. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Why Katy Residents Choose Us for Lennox Service
Lennox equipment has its own logic: specific control boards, charge specs, and coil designs that don’t match a generic diagnosis. Our technicians have up to 11 years of experience and work on Lennox systems often enough here in Katy to know where to look first. We’re brand-agnostic, so the recommendation follows the condition of your system, not a preferred vendor. When a capacitor fails on a Merit condenser, we match the spec and move on. When a control board needs replacing, we fit the right part the first time.
Scheduling is straightforward. You describe what the system is doing, we tell you what the visit involves, and the price gets set by a written estimate before anyone touches the equipment. No guesswork, no pitch for a replacement you don’t need yet.
Styles & brands we work with
- AC repair
- Furnace & heating
- Heat pumps
- Ductless mini splits
- Carrier
- Trane
- Goodman
Common Lennox HVAC Problems We Solve in Katy
- Failed run and start capacitors on Merit Series condensers. Katy’s humid Gulf summers keep these units running near-continuous from May through October. Electrolytic capacitors dry out under that duty cycle, and the compressor won’t start. It’s the single most common call we get in a Katy summer.
- Contactors wearing out alongside the capacitor. Same cause, same result: the condenser hums, the fan stalls, the house climbs. Both parts get checked together on an AC repair visit because they fail under the same load.
- Clogged condensate drains and sweating plenums on closet-mounted air handlers. The tight second-floor closet installs in Katy’s subdivisions leave little clearance, and undersized returns plus high latent load make the coil and plenum sweat. A stopped drain trips the float switch and shuts the system down.
- Ignitor and flame-sensor failures on Lennox furnaces after summer idle time. When the first cold snap arrives, the ignitor cracks or the sensor carbons up and the furnace locks out. Furnace repair usually solves it without major parts.
- Leaking evaporator coils and refrigerant loss on older builder-grade units. Coil corrosion and vibration at the cabinet joints show up as low charge, icing, and a compressor that short-cycles. This is where repair-versus-replace becomes the real conversation.
Lennox Service in Katy: What Local Conditions Mean for Your Equipment
Katy’s master-planned subdivisions were built in synchronized waves, and that shapes how Lennox work plays out here. Entire blocks of homes in Firethorne and Cross Creek Ranch went up on the same builder timeline with the same Merit Series condenser, so those units tend to hit capacitor failure and end-of-life replacement in the same summer. A technician working one street often sees the identical unit and the identical failure three doors down. That pattern matters to you as a homeowner: when your neighbor’s condenser dies, yours is running on the same clock. It also means the diagnostic path is faster because the equipment is familiar, not a one-off. And the same humid coastal-prairie climate that drives the near-continuous cooling season is what pushes attics hot and returns undersized, which is why sweating plenums and float-switch trips show up in Katy more than in a drier market.
Lennox Models & Products We Service in Katy
We service the Lennox equipment actually installed in Katy homes. That includes Merit Series single-stage condensers, the builder-grade workhorse, plus Elite Series two-stage units and matching variable-speed air handlers, and the Dave Lennox Signature Collection variable-capacity condensers and furnaces. We also handle Lennox ductless mini-split systems used for room additions and garage conversions. On parts, we use OEM Lennox components for control boards, ignitors, and coils where the exact fit matters, and quality aftermarket parts for commodity items like capacitors and contactors when spec-matched. No guessing, no oversell.
See the difference
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After
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Before
AfterLennox Service Pricing in Katy
Typical estimated ranges for the work we do in Katy:
| Service | Typical estimated range |
|---|---|
| AC Repair | $150 – $650 |
| AC Installation | $3500 – $7500 |
| Furnace Repair | $150 – $700 |
| Tune-Up | $80 – $200 |
What drives the number is the part involved and the access to it: a capacitor is a minor job, a leaking evaporator coil or a compressor is not. Closet-mounted air handlers with tight clearances take longer to reach than attic platforms with room to work. The written estimate sets the final price, and the estimate itself is free. Call (866) 834-7590 for an exact quote.
Serving Katy, TX – Our Local Coverage Area
We serve Katy and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs – Lennox HVAC in Katy
It’s the capacitor more often than any other single part. Merit condensers run near-continuous through a Katy summer, and the run capacitor dries out under that load. The compressor hums, the fan won’t spin, the house climbs. A technician can test capacitance on the spot. Call (866) 834-7590 for a same-day visit where scheduling allows.
A clogged condensate drain is the usual cause, sometimes combined with a sweating plenum that’s dripping into the pan. The float switch is doing its job: it shuts the system down before water damages the closet. Clearing the drain and checking the pan and plenum solve it.
At 14 years with a failed compressor or a leaking coil, replacement is usually the honest call. The repair cost approaches the value of the equipment, and you’re likely looking at another failure within a season. We tell you that plainly rather than push a repair.
We service the Signature Collection, including variable-capacity condensers and the matching furnaces, along with Elite Series two-stage units and Merit Series single-stage equipment. Variable-capacity systems need a technician who knows how to read the control board diagnostics, not a generic check. Call (866) 834-7590 to schedule.
A cracked ignitor or a carboned-up flame sensor is the usual cause after months of idle summer time. The furnace tries to light, fails, and locks out. Furnace repair in Katy typically runs $150 – $700 depending on the part. Call (866) 834-7590 for a free estimate.
Service Areas Near Katy
We serve Lennox owners in Cinco Ranch, Mission Bend, Houston, Spring, and The Woodlands. If you’re in one of these areas and your Lennox system is acting up, the same flat diagnostic approach applies.
Book Your Lennox Service in Katy Today
Whether it’s a failed capacitor on a Merit condenser, a float switch tripping on a closet air handler, or a furnace that won’t light, we’re ready to help. Call (866) 834-7590 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. Same-day service where scheduling allows.
Written by the team at Wexford AC Repair.