AC repair
Furnace & heating
Heat pumps
Ductless mini splits
Carrier
Trane
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
We provide independent Lennox service across Carrollton: AC repair, furnace repair, AC installation, and heat exchanger work on the equipment you already own. The one thing that makes our Lennox work here different is that we know the equipment and we know the houses. In Carrollton’s 1970s – 80s ranches, the original single-story, attic-ducted layout wasn’t designed for a modern condenser or a variable-speed air handler, so a straightforward Lennox replacement usually involves as much attic work as equipment work. We’re an independent shop with no manufacturer affiliation, and we do it as a single-trade HVAC specialist. Call (855) 473-9031 to book. We answer 24/7.

Why Carrollton Residents Choose Us for Lennox Service
You shouldn’t have to explain your equipment to your technician. Lennox systems have their own control boards, coil designs, and pressure-switch quirks, and we work on them often enough that the diagnosis usually starts before we open the panel. That comes from running a shop that handles nine major brands, Lennox among them, and staying deliberately narrow: AC repair, AC installation, and furnace repair. Nothing else. Every technician we send is an HVAC tech, not a generalist who does HVAC between other calls.
The full picture matters when you call. A Lennox condenser that short-cycles in July and the attic air handler feeding your Carrollton house are one system, and whoever shows up should understand both ends of it. Ricardo Radcliffe, who leads Kingsley AC Repair, built the shop around that: diagnose first, then recommend. He trained at Tarrant County College and worked in the trade well over a decade before starting the company in 2014, and the habit stuck – we don’t recommend parts that don’t need replacing.
We’re honest about what we are and aren’t. We’re not a Lennox dealer, not factory-authorized. We’re a brand-agnostic independent shop. That means the recommendation follows the condition of your system, not a manufacturer’s quota. And the same visit that handles your cooling in a Carrollton summer is one we’re equipped to follow into furnace season.
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
Here’s what Lennox failures usually look like in a Carrollton home, and why they tend to show up in specific ways here:
- Failed capacitors in the condenser. Lennox XC13 and Elite-series condensers run long cycles through Carrollton’s 95°F+ summer stretches. Capacitors that would last in a milder climate give out sooner, and the symptom is a hard start or a compressor that locks out. We test the capacitor outright before assuming anything else failed.
- Cracked heat exchangers in Lennox G60 and G61 furnaces. These are especially common in 1980s ranch homes where the original attic furnace was never upgraded, and the secondary exchanger tubes fail under years of repeated thermal cycling. Heat exchangers are a safety item, so we don’t take a “we’ll see how it does” approach with a cracked one.
- Evaporator coil leaks in Merit and Elite air handlers. Formicary corrosion in the copper, sped up by Carrollton’s humid summers and a coil that sits dripping condensation in an attic. When the coil leaks, the system loses charge slowly and the symptom is often “it runs but never quite cools.”
- Defective control boards in Signature-series units after freeze events. A winter like the 2021 deep freeze, with its voltage spikes and repeated defrost cycles, tends to find the weak spot in a control board. When a Signature unit stops responding after a cold snap, that board is where we look.
- Pressure-switch and drain trouble on tight attic installs. Old Carrollton chases were sized for 1970s equipment. Wiring, drain runs, and pressure switches get compromised by poor clearance, so we check the install environment, not just the component.
Lennox Service in Carrollton: What Local Conditions Mean for Your Equipment
Carrollton was built out during the Dallas suburb’s original boom, and the 1970s – 80s single-story, attic-ducted ranchers that filled it – most with 8-foot ceilings, a single return, and a narrow mechanical closet – were never designed around today’s higher-SEER condensers or variable-speed systems. That shows up in a very specific way on Lennox replacements. The original attic air-handler platforms in these homes are often too short and narrow for a modern Lennox variable-speed air handler. So a “simple” system replacement usually means cutting a new attic access and rebuilding the platform, which is more than a box-store quote implies. In the older Carrollton neighborhoods, the same builder floor plans repeat block after block, and the closet, chase, and access problems repeat with them. We quote for the real work; the photo in a catalog shows the equipment, not the swap. A smaller ring of 1990s and 2000s two-story subdivisions around Carrollton has its own constraints, but the ranch logic is the one that shapes most of what we see here.
Lennox Models & Products We Service in Carrollton
We service the Lennox cooling and heating equipment you’d find in a Carrollton home: Elite-series and Merit-series condensers and air handlers, the Signature Collection, and older 10ACX and 10ACC legacy units that many neighborhood installs still run. For cooling work that means the full condenser, coil, and air handler; for heating it means the gas furnace side including heat exchangers, plus the heat pumps these homes rely on through the freeze months. We use OEM Lennox parts for the components where fit matters most – control boards and heat exchangers – and quality aftermarket for capacitors, ignitors, and motors when they meet or exceed OEM specs. That keeps the system working the way it was meant to.
See the difference
Before
After
Before
After
Before
AfterLennox Service Pricing in Carrollton
Typical estimated ranges for Lennox work in Carrollton:
| Service | Typical Estimated Range |
|---|---|
| AC Repair | $150 – $650 |
| Furnace Repair | $150 – $700 |
| AC Installation | $3500 – $7500 |
| Tune-Up | $80 – $200 |
What drives the number is the actual job: which Lennox component failed, what it takes to reach it in a Carrollton attic, and whether the equipment is being repaired or replaced. The written estimate sets the final price, item by item, so you can see where the money goes. Estimates are free. The one honest call we’ll make on a repair-vs-replace question: if your Lennox unit is over 12 years old and facing a $1,200+ repair, replacement often makes more sense than another repair. Call (855) 473-9031 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
Probably. A failed run capacitor is the most common reason a Lennox XC13 or Elite-series condenser won’t come on when the afternoon heat ramps up, and Carrollton’s long 95°F+ run cycles are exactly what wears capacitors out. We test it before anything else. Call (855) 473-9031 and we’ll get an exact quote, free.
Usually, yes. The original attic air-handler platforms in these ranch homes are too short and narrow for a modern Lennox variable-speed air handler, so a replacement typically means cutting a new attic access and rebuilding the platform. That’s normal for a first-system replacement here, not a surprise add-on. Call (855) 473-9031 to schedule an assessment.
Cracked heat exchangers in Lennox G60 and G61 furnaces most often trace back to a furnace that was never upgraded in a 1980s Carrollton ranch – years of thermal cycling eventually fail the secondary exchanger tubes. A cracked heat exchanger is a safety issue, so have it checked by a trained technician rather than running the furnace on a guess. Call (855) 473-9031 for an exact quote.
Typical estimated AC installation in Carrollton runs $3,500 – $7,500, depending on equipment and what the attic swap requires. That’s a broad range because in a 1970s – 80s ranch, the platform and access work can be as much of the job as the condenser itself. A written estimate sets the final price, and estimates are free. Call (855) 473-9031.
Often it can be repaired – a control board stressed by a winter freeze or a failed defrost component is a repair, not a replacement. If your Lennox unit is over 12 years old and the repair runs past $1,200, we’ll weigh replacement with you honestly. Call (855) 473-9031 for an exact quote.
Service Areas Near Carrollton
We serve Carrollton and nearby North Texas communities. For Lennox work, we also cover Irving, where our company started, Grand Prairie, Lancaster, Glenn Heights, Balch Springs, and the Lewisville and Richardson areas.
Book Your Lennox Service in Carrollton Today
If your Lennox system is short-cycling, hard-starting, or not heating the way it should after a freeze, we’re ready. Call (855) 473-9031 for a free estimate. We answer 24/7. Fast dispatch from 7am to 7pm, Sunday through Friday. Same-day service is often available when you call early. Estimates are free and the price is set by the written estimate before we start.
Written by Ricardo Radcliffe, Owner at Kingsley AC Repair, serving Carrollton since 2014.