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Get your free estimateLennox HVAC in Woodland Hills, CA | Halden Heating and Air Woodland Hills
We’re an independent Lennox service provider in Woodland Hills, and we fix these systems every single day. That means we know the quirks of Lennox equipment, from iComfort S30 thermostat firmware oddities to CX35 coil geometry, without pretending to be factory authorized or bound by their warranty pipeline.

The one thing that makes our Lennox work here different: we see what 110°F heatwaves and Santa Ana dust actually do to these units in Woodland Hills, and we diagnose accordingly. If your Lennox system is misbehaving, call (559) 245-8195 and we’ll give you a straight answer.
We also handle full Lennox sales & service across the west Valley, with written pricing before any work starts.
Why Woodland Hills Residents Choose Us for Lennox Service
Andre Fuller, our owner, grew up in Los Angeles and spent the better part of two decades hauling equipment up driveways from the Canoga Park corridor all the way through the hills near Warner Center. He picked up the trade at Los Angeles Trade-Technical College, where he learned that a properly sized system beats a flashy brand name every single time. That philosophy carries into every Lennox repair we do in Woodland Hills.
We keep our techs current on Lennox-specific diagnostics. The iComfort S30’s firmware oddities, the CX35’s coil geometry, the EL296V’s ECM blower module failure patterns. When a Lennox unit acts up in Woodland Hills, we usually know the likely culprit before we open the panel. And if we don’t, we tell you that too. Straight price, straight answer, before we touch anything.
Every job includes a written price before work begins, a written guarantee on every repair, and a free return visit if the repair fails. That’s not an upsell, it’s how we run every call in Woodland Hills service area coverage.
Styles & brands we work with





Common Lennox HVAC Problems We Solve in Woodland Hills
- Failed ECM blower modules on EL296V furnaces. Santa Ana winds push dust through every gap in older Woodland Hills ranch homes. When return ducts leak in a 1950s house, that dust gets pulled straight into the blower module. We see this more in Woodland Hills than almost anywhere else in the Valley.
- XC25 inverter compressor board faults during heatwaves. When line voltage sags on a 110°F afternoon in Woodland Hills, the drive board on an XC25 takes the hit. We’ve replaced plenty of burned IGBTs on those boards, a failure factory training says shouldn’t happen, but Woodland Hills heat says otherwise.
- CX35 evaporator coil micro-leaks at the u-bend joints. Systems 5 to 8 years old in 1950s homes with undersized ducts run at high static pressure, and that stress shows up as slow refrigerant leaks at the coil. The first symptom is usually a system that cools fine in the morning but struggles by late afternoon.
- iComfort S30 thermostat losing Wi-Fi binding after power flickers. Woodland Hills gets utility flickers during heatwaves, and the S30 sometimes drops its zone bindings when power stutters. On multi-zone luxury estates, that means the upstairs zone stops responding even though the outdoor unit is running.
- Capacitor failures on Merit and Elite series condensers. The most common call we get in Woodland Hills during summer. Cheap fix, quick diagnosis, and we keep Amrad and Mars capacitors on the truck so the repair happens in one visit.
Lennox Service in Woodland Hills: What Local Conditions Mean for Your Equipment
The hillside Lennox systems off Mulholland Drive and south of Ventura Blvd have a problem you won’t find in Tarzana or Canoga Park. Those 40+ foot refrigerant line sets snake through 1950s crawlspaces, and the distance plus the tight bends force high static pressure on Lennox coils. The result is premature TXV failures. We saw this exact pattern on a 1962 ranch on Oxnard Street in the South of the Boulevard area last August. A Lennox XC25 two-stage AC was tripping its high-pressure switch only after 3 p.m., which is why our AC Repair in Woodland Hills includes full system diagnostics The culprit was a plugged CX35 coil on the second floor, but the real problem was a return duct collapsed inside a wall cavity, feeding 140°F attic air across the coil. We repaired the duct, cleaned the coil, replaced the filter drier, and recharged to Lennox’s exact subcooling spec. The unit held 72°F through the next 110°F Santa Ana spell.
That’s why we always check subcooling at the condenser, not just pressures at the air handler. Generic shops skip that step, and on Woodland Hills hillside homes with long line sets, skipping it means you’ll be calling again in six months.
Lennox Models & Products We Service in Woodland Hills
We service the full Lennox lineup in Woodland Hills, from the Signature Series XC21 and XC25 air conditioners to the Elite Series EL296V and EL18XCV, plus the Merit Series ML14XC1 and ML180. We also work on the Dave Lennox Signature Collection furnaces including the SLP99V and SL280NV.
For compressors, inverter boards, and gas valves we default to genuine Lennox OEM parts, because aftermarket substitutes cause nuisance lockouts. For contactors, capacitors, and blower wheels we use Tier-1 aftermarket parts from Amrad and Mars that match or beat Lennox spec at a lower cost. We stock the common parts for Woodland Hills Lennox systems on our trucks, so most repairs finish same-day.
Mini split repair and multi-zone system diagnostics are a growing share of our Woodland Hills work as more hillside homes add ductless units for problem rooms.
See the difference
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After
Before
After
Before
AfterLennox Service Pricing in Woodland Hills
Woodland Hills Lennox repair pricing varies by part and system age. Here’s what we charge:
| Service | Price Range |
|---|---|
| AC Repair (general) | $150 – $650 |
| Furnace Repair | $150 – $700 |
| Lennox capacitor replacement (OEM or Amrad) | $150 – $350 |
| Lennox refrigerant leak repair + recharge (R-410A) | $400 – $900 |
| Tune-Up | $80 – $200 |
| AC Installation (full system) | $3,500 – $7,500 |
A written estimate before we touch anything means you’ll know the cost before the work starts. If you want an exact number for your Woodland Hills Lennox system, call (559) 245-8195 and we’ll walk you through what’s involved.
Serving Woodland Hills, CA - Our Local Coverage Area
We’re based in the Woodland Hills 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 Woodland Hills
Power flickers during Santa Ana wind events are the usual cause. The S30’s binding to the outdoor unit and your Wi-Fi network can drop when line voltage stutters, and the thermostat doesn’t always re-bind cleanly on its own. We see this most often on Woodland Hills hillside homes where utility lines are more exposed to wind. A reboot and rebind usually fixes it, and if it keeps happening we’ll check your panel and the low-voltage wiring for loose connections. Call (559) 245-8195 and we’ll sort it.
No, the XC21 uses a different blower control setup than the EL296V. When an XC21 outdoor unit runs but the indoor blower doesn’t, the usual suspects are the blower motor capacitor, the blower control board inside the air handler, or a tripped high-limit from poor airflow. We’ll test each of those in sequence, not guess.
No, that’s not normal. One frozen head on a clean filter usually points to low refrigerant, a restricted line set, or a failing EEV (electronic expansion valve) on that specific head. Hillside installations with long line sets are more prone to these issues. Ignoring it will eventually damage the compressor, so we’d rather check it now.
Not necessarily. A 2015 ML180 may still be under the heat exchanger’s 20-year limited warranty, depending on registration. We’ll check the serial number, confirm the failure with a combustion analysis, and give you a repair-versus-replace cost comparison before we ever recommend AC Installation - Woodland Hills
A capacitor replacement runs $150 to $350 including the part and labor. A broader AC repair, like a refrigerant leak fix or a board replacement, typically lands between $400 and $900. General Woodland Hills AC repairs run $150 to $650 depending on what failed. Call (559) 245-8195 for an exact quote, and it costs nothing to get one.
Service Areas Near Woodland Hills
We serve Woodland Hills and the surrounding west Valley. That includes Lennox service in Simi Valley for the Conejo Grade side, Lennox service in Calabasas, plus Agoura Hills, Oak Park, and Topanga. If you’re in the hills or the flats, we’ll be there fast.
Book Your Lennox Service in Woodland Hills Today
Lennox system acting up in Woodland Hills? Call (559) 245-8195 now. We answer live 24/7, and we’ll get a tech to your door with a written price before any work starts. Same-day service is available for most repairs.
Written by Andre Fuller, Owner at Halden Heating and Air Woodland Hills, serving Woodland Hills since 2004.