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Get your free estimateLennox HVAC in Arlington, TX | Cold Harbour Heating and Air Dallas
We provide independent Lennox HVAC service across Arlington, from our AC Repair in Arlington in July to full system replacement in the cooler months. The difference with us is simple: our techs have spent years working on Lennox equipment inside Arlington’s specific housing stock, so we know which failures show up in a 1965 brick ranch versus a 2018 two-story before we even open the service panel. Call (430) 213-5796 for a free estimate, and you’ll get a written price before any work begins.
Why Arlington Residents Choose Us for Lennox Service
Lennox builds good equipment, but every brand has its patterns. Our techs see those patterns play out daily in Arlington, from 40-year-old G-series furnaces still chugging along in central neighborhoods to current Elite and Signature systems in newer southwest subdivisions. That independent, Arlington Furnace Repair experience matters more than a manufacturer logo on a truck. That independent, hands-on experience matters more than a manufacturer logo on a truck.
Victor Mancini, our owner, learned the trade at Los Angeles Trade-Technical College and has spent decades turning a wrench on everything from rooftop package units to the old-school furnaces Dallas homeowners in Oak Cliff still swear by. He built Cold Harbour Heating and Air Dallas around one idea: tell the customer the number before the work starts. Everything else follows from that.
We’re not a Lennox authorized dealer or factory affiliate. We’re an independent service provider, which means we recommend what’s actually best for your system and budget, not what a corporate program tells us to push. We carry genuine Lennox OEM parts for critical components like control boards and gas valves, and we use high-quality aftermarket parts like capacitors and contactors when they match or beat OEM spec at a lower price. You get the same repair quality without paying for a logo sticker.
Every job includes the 365-Day Done Right Promise in writing. If a repair fails within a year, we come back and make it right at no charge. No fine print, no argument. That’s the Kingswell Way, and it’s been that way since 2003.
Styles & brands we work with






Common Lennox HVAC Problems We Solve in Arlington
- Evaporator coil corrosion on older Lennox R-22 systems. Arlington’s humidity is relentless from May through October. Coils on 1990s Lennox units, especially in original-owner homes east of Cooper Street, corrode faster here than in drier parts of Texas. We see pinhole leaks that slowly bleed refrigerant until the system can’t keep up. The fix is usually a new coil, and we’ll quote both OEM and aftermarket options.
- Capacitor failures after thunderstorms. Arlington gets sudden, violent storms that knock out power and spike voltage. Lennox 13ACX and XC13 condensing units are particularly sensitive to surge damage. If your condenser hums but won’t start after a storm, that’s almost always the capacitor. We keep common Lennox capacitor sizes on our trucks for same-day repair across Arlington.
- Inducer motor bearing wear on Lennox G40 and G50 furnaces. These legacy furnaces run their blowers almost nonstop through Arlington’s long cooling season. That shared duty wears out inducer motor bearings even though the furnace side rarely sees hard winter use. The symptom is a grinding or squealing noise from the flue area. We replace the motor assembly and test the entire induction system before we leave.
- Compressor overheating in oversized Lennox units. Newer Arlington homes, especially two-story builds in the south and west, often have Lennox systems sized for square footage but not for high ceilings and open floor plans. An undersized return or poor airflow makes the compressor work too hard in 100°F heat. We measure static pressure and airflow before assuming the compressor itself is bad.
- Frozen evaporator coils in humid weather. When Arlington’s dew point climbs, a slightly low refrigerant charge or restricted airflow will ice up a Lennox coil fast. Homeowners often find water under the air handler and assume a drain clog. We check refrigerant pressures, airflow, and the metering device, because on Lennox systems those three things usually tell the whole story.
Lennox Service in Arlington: What Local Conditions Mean for Your Equipment
Arlington’s mix of housing stock creates a challenge most neighboring cities don’t have. A technician might service a 1958 brick ranch off Park Row Drive in the morning and a 2020 two-story in a southwest subdivision that afternoon. The older homes have original galvanized ductwork and undersized returns, while the newer ones have open floor plans and high ceilings that strain single-zone Lennox systems. The failure patterns in those two houses are completely different, and a tech who only knows one type will misdiagnose the other.
In the 1950s brick ranches of central Arlington, many Lennox furnaces are 40-plus years old with original galvanized ductwork still attached. Our techs routinely install modern AC coils onto those old furnaces because the blower motors still work. The real question is whether the existing duct static pressure will support the new system. That’s why we measure static pressure before quoting any replacement, and why we often recommend return duct upgrades first. Skip that step and a homeowner pays for a new Lennox system that underperforms for its entire life.
Lennox Models & Products We Service in Arlington
Our techs work on the full Lennox residential lineup. That includes legacy G40, G50, and G60 furnaces still common in central and east Arlington, the Merit series like the ML14 and 13ACX, the Elite series including the EL296V and XC16, and the top-end Signature series with the XC25 and SLP98V. We see all of them on a regular basis.
For critical components, including control boards, gas valves, and inverter boards on variable-speed Signature units, we use genuine Lennox OEM parts. For wear items like capacitors, contactors, and condenser fan motors, we stock high-quality aftermarket parts that meet or exceed OEM spec at a lower price. We keep common Lennox parts on our trucks so most Arlington repairs don’t wait on a parts house run. If you need a full Lennox sales & service partner, we handle replacement estimates with the same written-price guarantee.
See the difference
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AfterLennox Service Pricing in Arlington
Here are the price ranges you can expect for Lennox work in Arlington. These include parts and labor, and you’ll get a written quote before any work starts.
| Service | Price Range |
|---|---|
| Lennox AC repair | $150 – $650 |
| Lennox furnace repair | $150 – $700 |
| Lennox AC installation | $3500 – $7500 |
| Lennox tune-up | $80 – $200 |
What drives the final number is the specific failure and the age of your equipment. A capacitor replacement on a 13ACX condenser lands at the low end. A compressor or heat exchanger job lands at the high end, and on a system over 18 years old we’ll give you an honest repair-versus-replace comparison rather than just selling you the bigger ticket. Call (430) 213-5796 and we’ll put the number in writing before anyone touches a tool.
Serving Arlington, TX - Our Local Coverage Area
We’re based in the Arlington 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 – Lennox HVAC in Arlington
A clean filter rules out the easiest cause, but Arlington’s summer humidity means a slightly low refrigerant charge or a weak blower motor will ice a Lennox coil faster than in a drier climate. The frozen coil blocks airflow, which makes the ice worse until the system stops cooling entirely. We check refrigerant pressures, metering device operation, and blower performance to find the root cause on the first visit. Call (430) 213-5796 and we’ll tell you exactly what’s wrong before quoting the repair.
Sometimes yes, sometimes no. The furnace blower often still works fine, but the original galvanized ductwork and undersized returns in Arlington’s older brick ranches may not move enough air for a modern coil. We measure static pressure on every estimate in those homes. If it’s too high, we recommend return duct upgrades first so the new Lennox system actually performs. The honest answer depends on your ductwork, not just your furnace.
That buzz is typically a failing capacitor or contactor. Arlington’s frequent storms bring voltage dips and surges that damage these electrical components on Lennox condensing units, especially the 13ACX and XC13. The buzz means the unit is getting power but can’t start. Shut it off at the breaker and call us. We replace failed capacitors and contactors same-day across Arlington in most cases.
You won’t see it, but you may smell a faint fuel odor at startup, hear a rattling from the burner area, or find soot around the cabinet. A cracked heat exchanger is a carbon monoxide risk, so don’t run the furnace until it’s inspected. We use combustion analysis and camera inspection to confirm, not guesswork. If it’s cracked, we’ll show you the repair estimate and a replacement option side by side.
Short cycling in a newer Arlington two-story often points to an airflow or zoning problem, not a faulty compressor. High ceilings and open floor plans create hot spots, and a single-zone Lennox Signature system may be sized for square footage but not for actual heat load. We measure static pressure, check the zoning dampers, and verify the thermostat placement before blaming equipment. Sometimes the fix is duct or zoning work, not a compressor replacement. Call (430) 213-5796 for a diagnosis backed by measurements, not assumptions.
Service Areas Near Arlington
Our trucks cover Arlington and the surrounding corridor, including our full Arlington service area, plus Lennox service in Irving, Lennox service in Dallas, Carrollton, DeSoto, and Coppell. If you’re anywhere in that radius, we’ll get a tech to you fast.
Book Your Lennox Service in Arlington Today
If your Lennox system is struggling in Arlington’s heat, don’t wait for the next storm to knock it out for good. Call (430) 213-5796 now. A live person answers 24/7, and we’ll schedule around your day. Your written price comes before any work starts, and every repair is covered in writing for 365 days.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air Dallas, serving Arlington since 2003.