AC repair
Furnace & heating
Heat pumps
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Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateLennox HVAC in Houston, TX
We provide independent Lennox service across Houston: repair, replacement, and dehumidification work on systems from the Merit Series up to the Dave Lennox Signature Collection. The thing that makes our Lennox work here different is Houston itself. This is a cooling-dominated market where units run nearly year-round and moisture control matters as much as temperature, so we diagnose Lennox equipment against a humid subtropical load, not a generic checklist. We’re an independent shop, not affiliated with or authorized by Lennox, and our technicians bring up to 11 years of experience to your system. Call (866) 834-7590 for a free estimate.
Why Houston Residents Choose Us for Lennox Service
Lennox builds equipment with specific design habits, and if a technician hasn’t worked on them, he’s guessing. We’ve seen how their air handlers, coils, and control boards behave under Houston’s relentless runtime. That familiarity is the whole point of Lennox service from a shop that works on nine major brands rather than one. We know which parts need to be exact and which can come from a quality aftermarket source without compromising the system.
We also run a repair-first operation. If a clogged drain line and a dirty coil explain why the house won’t cool, that’s what we fix, not a compressor you don’t need. Our Lennox recommendations come from your equipment’s condition, not a vendor relationship.
Scheduling is straightforward. We answer 24/7, and fast dispatch runs from 7am to 7pm, Sunday through Friday, closed Saturday. A call outside dispatch hours is booked into the next opening. Estimates are free, so nothing gets decided until you’ve seen the price in writing.
Styles & brands we work with
- AC repair
- Furnace & heating
- Heat pumps
- Ductless mini splits
- Carrier
- Trane
- Goodman
Common Lennox HVAC Problems We Solve in Houston
Lennox equipment in this climate tends to fail in patterns we see again and again. Here’s what we look for, and why Houston makes each one worse.
- Cracked condensate pans and clogged drain lines. In humid summers, Lennox evaporator coils, especially in Merit Series air handlers, are prone to pan cracks and drain blockages. The water has to go somewhere, and it usually shows up as a ceiling stain. It’s one of the most frequent callbacks in Houston.
- Failed capacitors. High cooling runtime wears capacitors in Lennox outdoor units faster than in mild climates. A weak capacitor causes hard starts, and left alone it can take the compressor with it.
- Attic air handler duct leakage. Older Houston bungalows often have attic-mounted Lennox air handlers sitting in attics that hit 140°F and above. Duct leakage and broken-down insulation there cut cooling efficiency long before the condenser is at fault.
- Compressor strain from charge and airflow problems. Lennox scroll compressors in Elite and Signature models can fail early when refrigerant charge is off or airflow is restricted. Dusty, high-pollen Houston air makes restricted airflow a regular finding.
- Clammy interiors despite a satisfied thermostat. Variable-speed Lennox air handlers set up without proper dehumidification control will hold temperature while leaving the house sticky. Houston’s dew points make this a comfort problem, not a temperature problem.
Lennox Service in Houston: What Local Conditions Mean for Your Equipment
Houston’s humidity is the fact that shapes everything about Lennox work here. Average summer dew points above 70°F mean latent heat removal is not a side issue, it’s the main event. A system can satisfy the thermostat and still leave a house feeling clammy, because it never ran long enough at low enough airflow to pull moisture out of the air. That’s where misapplied variable-speed equipment shows up: a Lennox system with a variable-speed air handler installed without proper dehumidification settings will cool the number on the display and do almost nothing about the dampness in the room. We see this in newer townhomes in 77007 and 77008, where equipment is stacked in tight closets or on rooftops with little access.
The same humidity drives the more mundane failures. Condensate lines clog, pans crack, and the result is water where it shouldn’t be. In the older bungalows of the Heights and East End, attic air handlers sit in attics that can reach 140°F and above, and the duct leakage that follows is frequently the real reason a house won’t cool. Heavy Houston rainfall and flooding add another layer: flood-damaged equipment and corrosion in condensate systems are recurring concerns we evaluate carefully before recommending any repair.
Lennox Models & Products We Service in Houston
We work across the Lennox lineup, from the Merit Series (13ACX, ML14XC1) through the Elite Series (XC21, SL18XC1) to the Dave Lennox Signature Collection (XC25, SL28XCV). We also service Lennox ductless mini-split systems, including the MS8C and M22C, which show up in Houston additions, garage conversions, and rooms that never got ducted. For critical components like compressors and control boards, we use OEM Lennox parts to protect fit and compatibility. For capacitors and motors, a high-quality aftermarket part is often the reliable, cost-effective choice, and we’ll tell you which is which rather than pushing the upgrade.
Our three core services cover the full loop: AC repair, AC installation, and furnace repair, plus dehumidifier installation for Houston homes that need dedicated moisture control. One call handles cooling or heating, and we work on your system as it is before we talk about replacing it.
See the difference
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After
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AfterLennox Service Pricing in Houston
Every price below is a typical estimated range for the Houston market. Your written estimate sets the final price, and the estimate is free.
| Service | Typical Estimated Range |
|---|---|
| AC Repair | $150 – $650 |
| Furnace Repair | $150 – $700 |
| AC Installation | $3,500 – $7,500 |
| Tune-Up | $80 – $200 |
What you pay depends on the failure. A capacitor swap sits at the low end of repair; a compressor or coil replacement pushes toward the top. On a repair-versus-replace decision, we weigh the cost against a new install: if a Lennox system is over 12 years old and the repair exceeds about 30% of new installation cost, replacement usually makes more financial sense, and we’ll say so plainly. For an exact number on your system, call (866) 834-7590.
Serving Houston, TX – Our Local Coverage Area
We serve Houston 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 Houston
No. We’re an independent Lennox service provider, not manufacturer-affiliated or authorized. That independence is deliberate: we diagnose your equipment on its condition and recommend parts based on what fits and what lasts, without a manufacturer relationship steering the answer. Call (866) 834-7590 to book a visit.
For critical components like compressors and control boards, yes: we use OEM Lennox parts to ensure compatibility. For capacitors and motors, a high-quality aftermarket part is often a reliable, cost-effective alternative, and we’ll explain the trade-off before any work begins. Estimates are free, so call (866) 834-7590 to talk it through.
Most common repairs, including capacitor replacements and condensate drain clearing, are handled in a single visit. Attic duct sealing or a compressor replacement takes longer and gets scheduled. We answer 24/7 and dispatch fast from 7am to 7pm, Sunday through Friday, so most Houston jobs get a same-day slot. Call (866) 834-7590 for timing on your system.
We service the full Lennox residential lineup: Merit Series, Elite Series, Dave Lennox Signature Collection, and Lennox ductless mini-split systems. That covers standard split systems, variable-speed air handlers, and mini-splits used in additions or converted spaces. For pricing on your specific equipment, call (866) 834-7590.
Typical estimated Lennox AC repair in Houston runs $150 – $650, depending on the failed part and whether the job involves an attic air handler. A written estimate sets the final price. Call (866) 834-7590 for an exact quote. Estimates are free.
Service Areas Near Houston
We serve homeowners across Houston and the surrounding communities, including The Woodlands, Spring, Katy, Cinco Ranch, Bellaire, and West University Place. Wherever you are in the metro, our Lennox service reaches your door.
Book Your Lennox Service in Houston Today
Whether your Lennox unit is running nonstop, blowing warm, or leaving the house sticky, we’ll diagnose it and give you an honest answer. Same-day service is often available. Call (866) 834-7590 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Written by the team at Wexford AC Repair.