AC repair
Furnace & heating
Heat pumps
Ductless mini splits
Carrier
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GoodmanSeasonal 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.
Get your free estimateLennox HVAC in Carrollton, TX
Whitman AC Repair provides independent Lennox service across Carrollton, from 1970s ranch homes near the original core to newer two-story builds off Trinity Mills. We’re not affiliated with or authorized by Lennox, so our diagnosis comes from your equipment’s condition, not a dealer incentive. What makes our Lennox work here different is that we see both sides of Carrollton’s housing divide in the same week: aging R-22 systems and newer variable-speed equipment, each failing in its own way. One call covers AC repair, AC installation, and furnace repair. Call (866) 964-4152. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday.
Why Carrollton Residents Choose Us for Lennox Service
We work on your brand. Lennox equipment shows up in Carrollton’s older neighborhoods and its newer subdivisions, and our technicians have up to 8 years of experience with the lineup, from the Merit Series through Signature and Dave Lennox Signature Collection systems. That matters because Lennox gear has its own failure patterns: inverter compressors that react badly to voltage swings, control boards that cook in a hot attic closet, heat exchangers that crack after years of short cycling.
We use OEM Lennox parts for control boards, compressors, and heat exchangers so the fit stays factory-correct. For capacitors and ignitors, we’ll offer quality aftermarket parts when they meet or exceed OEM specs and save you money. No manufacturer kickbacks. No brand bias. Just the right fix for your system.
Scheduling is straightforward. You tell us what the Lennox system is doing, we book a window, and you get a written price before work starts. If you’re weighing repair against replacement, we’ll tell you honestly which one makes sense for a house your age.
Styles & brands we work with
- AC repair
- Furnace & heating
- Heat pumps
- Ductless mini splits
- Carrier
- Trane
- Goodman
Common Lennox HVAC Problems We Solve in Carrollton
- R-22 refrigerant leaks in original ranch homes. In the 75006 and 75007 core, decades of thermal cycling wear out service valves and coil joints on older Lennox condensing units. Homeowners end up paying for recharge after recharge instead of a lasting fix. We find the leak and give you a real repair-versus-replace read.
- Control board and blower motor failures in attic air handlers. Lennox variable-speed air handlers and furnaces mounted in attic closets or unconditioned spaces take a beating when attic temperatures climb past 140°F in a North Texas summer. Boards and blower motors are usually the first casualties.
- Inverter compressor trouble on Signature Series systems. The XC25 and XC21 inverter compressors are sensitive to voltage swings and dirty condenser coils. In Carrollton’s long cooling season, restricted airflow from cottonwood fluff and lawn debris speeds up capacitor and compressor winding failures.
- Cracked heat exchangers in 1980s Lennox furnaces. Older G26 and G32 furnaces still running in Carrollton homes often develop heat exchanger cracks that only show up during the first cold snap, after years of short cycling. That’s a safety issue, not a nuisance.
- Buried or crushed duct runs hiding the real problem. A Lennox system that runs constantly without cooling the house may be fine on refrigerant and starved for airflow. In older Carrollton attics, disconnected flex runs under blown-in insulation are a regular find.
Lennox Service in Carrollton: What Local Conditions Mean for Your Equipment
Carrollton’s building inspections division enforces the 2015+ IECC energy code revisions, and that single fact changes what a Lennox replacement costs here compared with a city that never adopted the newer code. When we pull a permit for a new Lennox system, the inspection can require duct sealing and insulation upgrades to meet the updated code. If your existing duct system fails those checks, the same Lennox model costs more to install in Carrollton than it would a few miles away. We walk you through that before you commit, so the permit-driven work shows up in the written estimate rather than as a surprise mid-install. It’s one reason a straight equipment swap quote from a big-box installer can fall apart once the inspector arrives.
Lennox Models & Products We Service in Carrollton
We service the full range of Lennox residential equipment found in Carrollton homes: Merit Series units like the 13ACX, 14ACX, and ML14XC1; Elite Series systems including the XC13, XC14, XC16, and EL296V furnace; Signature Series equipment such as the XC21, XC25, and SL280V furnace; and the Dave Lennox Signature Collection SL18XC1 heat pump. That covers straight cooling, gas furnaces, heat pumps, and variable-speed air handlers.
How we choose parts comes down to fit and longevity. Control boards, compressors, and heat exchangers get OEM Lennox parts. Capacitors and ignitors can come from quality aftermarket sources when they meet or beat OEM specs. We’re an independent shop, so nothing pushes us toward one option except what your system actually needs.
See the difference
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After
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Before
AfterLennox Service Pricing in Carrollton
Typical estimated ranges for Lennox work in Carrollton are below. These are general ranges, not quotes. The written estimate sets the final price for your job.
| Service | Typical Estimated Range |
|---|---|
| AC Repair | $150 – $650 |
| Furnace Repair | $150 – $700 |
| AC Installation | $3500 – $7500 |
| Tune-Up | $80 – $200 |
Repair cost depends on the failed part and how deep the technician has to go to reach it. Attic-mounted air handlers take longer to access than a ground-level condenser. Installation cost depends on tonnage, whether the duct system passes the current code checks, and whether line sets need replacing. The free estimate covers a full inspection, a written price, and a straight answer on repair versus replace. Call (866) 964-4152 for an exact quote.
Serving Carrollton, TX – Our Local Coverage Area
We serve Carrollton 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 Carrollton
No. Whitman AC Repair is an independent service provider, not affiliated with or authorized by Lennox. That’s deliberate. We service nine major brands, so our recommendation comes from your equipment’s condition rather than a dealer agreement. Call (866) 964-4152 for a free estimate.
Loud inverter compressors and tripping breakers on an XC25 usually trace back to voltage supply problems, a failing capacitor, or a condenser coil packed with debris and starving the system for airflow. Carrollton’s long cooling season makes dirty coils an especially common culprit. We check electrical supply, capacitor health, and coil condition before anything else. Call (866) 964-4152 to book a diagnosis.
Yes, replacement work in Carrollton generally requires a permit, and the city’s 2015+ IECC enforcement can trigger duct sealing or insulation upgrades. That’s why the same Lennox model sometimes costs more to install here than in a nearby city with older code. We’ll price the permit-driven work into your written estimate up front. Call (866) 964-4152 for a free estimate.
Yes, a cracked heat exchanger is a genuine safety concern because it can let combustion gases into your living space. We treat it as a stop-use condition until it’s inspected. On a G26 in a 1980s Carrollton home, replacement usually makes more sense than a heat exchanger swap given the furnace’s age. We’ll show you the comparison and let you decide. Call (866) 964-4152.
A frozen Lennox coil in summer is almost always restricted airflow or a low refrigerant charge, not a refrigerant problem alone. In older Carrollton attics, the cause is often a crushed or disconnected flex duct buried under blown-in insulation. We check airflow and static pressure first, then the charge. Call (866) 964-4152 for a free estimate.
Once a year in spring, before the June-to-August peak, is the right cadence in Carrollton. Systems here run 8 to 9 months a year, so compressor wear and coil fouling build up faster than in cooler markets. A tune-up runs $80 – $200 typically. Call (866) 964-4152 to schedule.
Service Areas Near Carrollton
We also handle Lennox service in Coppell, Irving, Richardson, Plano, Garland, Mesquite, and Dallas. If you’re in one of those cities, the same independent approach applies: honest diagnosis, quality parts that fit, and a written price before work starts. Learn more about our Carrollton service and our Lennox work. We cover Carrollton homes across the 75006 and 75007 core and the newer east-side subdivisions.
Book Your Lennox Service in Carrollton Today
Whether your Lennox system needs a repair, a tune-up, or a full replacement, one call covers it. Same-day service is often available for repairs. Call (866) 964-4152. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. Estimates are free, and the written estimate sets the final price.
Written by the team at Whitman AC Repair.