Lennox HVAC in Van Nuys, CA | Crestview Heating & Air California
We provide independent Lennox service in Encino and across all Van Nuys ZIP codes, including 91408, 91409, 91410, and 91411. The one thing that makes our Lennox work here different: we know how the San Fernando Valley’s 150°F attic temperatures destroy flex-duct insulation and push Lennox variable-speed blowers past their thermal limits, because we’ve traced that exact failure pattern from Sylvan Street to Hazeltine Avenue more times than we can count. If your Lennox system is short-cycling, blowing warm, or running nonstop through August, call (844) 560-6978 for a free estimate.
Why Van Nuys Residents Choose Us for Lennox Service
We’ve been fixing Lennox systems in Van Nuys for 19 years. Not dispatching them to subcontractors. Marcus Feldman, our owner, still runs service calls himself, and he grew up in Woodland Hills watching Valley heat kill air conditioners that were perfectly adequate in Santa Monica. That matters when you’re trying to figure out why your Lennox sales & service unit keeps tripping at 4 p.m. on a 107°F Tuesday.
We carry OEM Lennox parts, not aftermarket substitutes that fail faster in extreme attic heat. Our van stocks capacitors, contactors, control boards, and condensate traps for Merit, Elite, and Signature series units, because waiting three days for a part in August isn’t an option in Van Nuys. We’ve got 250+ customer reviews averaging 4.8 stars, but more importantly, we’ve got the same phone number we’ve had since 2005, and Marcus still answers it after hours.
Your system, our specialty. That includes Lennox, but it also means we won’t try to sell you a new unit when a $200 contactor and a duct redesign will fix the real problem.
Common Lennox HVAC Problems We Solve in Van Nuys
- Merit series contactor welding shut on consecutive 105°F days. The single-stage compressor contactor on mid-2000s ML14XC1 units wasn’t built for 18+ hours of continuous operation. When it welds closed, the compressor won’t shut off even when the thermostat satisfies. We replace it with a heavy-duty contactor rated for the duty cycle Van Nuys actually demands.
- Elite series variable-speed blower motors overheating in 150°F attics. The EL18XCV’s blower motor controller trips thermal limits when attic temperatures exceed its design envelope, which happens routinely in Van Nuys low-pitch roofs with no radiant barrier. We install external ventilation fans upstream of the controller and verify rated airflow at every register.
- R-22 pinhole leaks at condenser coil return bends on aging systems. Twenty-plus years of thermal expansion in 100°F+ heat cycles the copper until it cracks. We see this pattern consistently on the Nichols Canyon side of 91405. Patching buys months; we recommend full R-410A replacement with proper load calculation.
- Signature SLP98V furnace condensate trap clogging from dry Valley dust. The pressure switch faults, the furnace locks out, and homeowners wake up cold. We clean the trap and run a secondary drain line as standard practice, because Van Nuys dust doesn’t stop.
- Collapsed flex-duct insulation causing static pressure failures. Original 1950s–1960s ductwork in Van Nuys tract homes delaminates after years in 150°F attics. The blower works harder, airflow drops, and the compressor eventually fails from inadequate superheat. We measure static pressure, redesign the duct path, and install R-8 insulated trunk lines.
Lennox Service in Van Nuys: What Local Conditions Mean for Your Equipment
Van Nuys sits in the geographic center of the San Fernando Valley’s heat basin, shielded from Pacific marine influence by the Santa Monica Mountains, so it regularly records temperatures 10–15°F higher than coastal LA and hits 105–108°F during peak summer events. This isn’t a minor difference. It means your Lennox system works harder here than in Lennox repair in North Hills or almost anywhere else in Los Angeles County, and the housing stock compounds the problem.
A large share of Van Nuys’s 1950s–1960s tract homes were originally fitted with roof- or wall-mounted evaporative coolers rather than central AC. When we get a call from the 91405–91406 corridors, we frequently find homes where the original swamp cooler is still plumbed to a rooftop curb but a window-unit central system was jury-rigged in later decades. Two partial systems. No code-compliant return-air path. A Lennox split system can’t be properly installed here without a full Manual J load calculation and duct design from scratch. We’ve done this conversion enough times to know where the joists run, which closets can accommodate a return drop, and how to size for the latent load that evaporative cooling never addressed.
Attic temperatures in these homes routinely exceed 150°F on Valley heat days. That degrades flex-duct insulation, increases static pressure on aging air handlers, and pushes Lennox variable-speed blowers to thermal limits that the same unit in Sherman Oaks or Encino, just 4 miles west, might never approach. We design for the conditions that actually exist in Van Nuys, not the ones in Lennox in Sherman Oaks or Encino, just 4 miles west, might face.
Lennox Models & Products We Service in Van Nuys
We work on every Lennox line that exists in Van Nuys homes and small commercial buildings:
- Merit Series: ML14XC1, ML193UH, and related single-stage units, common in entry-level installations from the 2000s and 2010s.
- Elite Series: EL18XCV, EL196E, and other two-stage and variable-speed models, increasingly common in recent retrofits.
- Signature Series: SL28XCV, SLP98V, and current top-tier variable-capacity systems.
- Dave Lennox Signature Collection: Older R-22 units from the 2000s, still running in some Van Nuys properties but approaching end of viable service life.
We stock OEM Lennox parts specifically because aftermarket capacitors and control boards show higher failure rates in Van Nuys attic conditions. A generic contactor rated for 100,000 cycles might last five years in Pasadena. Here, we’ve seen them fail in two. If I wouldn’t put it in my own house, I’m not putting it in yours. We also carry equipment for Heat Pump & Mini Split in Van Nuys installations when ductless makes more sense than forcing central air into a home that was never built for it.
Lennox Service Pricing in Van Nuys
| Service | Price Range |
|---|---|
| AC Repair | $150–$650 |
| Furnace Repair | $150–$700 |
| AC Installation | $3,500–$7,500 |
| Tune-Up | $80–$200 |
What drives cost? For repairs, it’s parts and accessibility. A contactor swap on a ground-level condenser runs toward the low end. A compressor replacement in a 150°F attic with degraded flex duct that needs redesign runs higher. For installation, the spread reflects whether we’re dropping into existing ductwork or building from scratch, which is common in Van Nuys evaporative-cooler conversions.
Every estimate we provide is free and itemized. No surprises when we open the panel. Call (844) 560-6978 for exact pricing on your specific Lennox system.
Serving Van Nuys, CA — Our Local Coverage Area
We’re based in the Van Nuys 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 Van Nuys
Your attic is likely exceeding 150°F, and the variable-speed blower motor controller on your Elite or Signature series unit is protecting itself by shutting down. We measure attic temperature, verify airflow at each register, and often install external ventilation to keep the controller within its operating envelope. Call (844) 560-6978 and we’ll diagnose it same-day.
No. A central split system requires a complete duct system with properly sized supply and return paths. Many Van Nuys homes built with evaporative coolers lack this entirely. We perform a Manual J load calculation and design ductwork from scratch, often using hallway closets for return drops. The conversion is involved but routine for us.
The single-stage compressor contactor. Continuous operation during 105°F+ heat waves welds the contacts shut, causing the compressor to run nonstop. We replace it with a heavy-duty contactor rated for the actual duty cycle. If your unit’s short-cycling or won’t shut off, that’s likely the culprit.
Yes. The City of Los Angeles requires permits for furnace replacement, including inspection of gas line sizing, venting, and combustion air. We handle permit submission and scheduling as part of our installation process. The work won’t pass inspection without proper documentation, and unpermitted work can void your homeowner’s insurance.
Dry Valley dust accumulates in the SLP98V condensate trap, restricting flow until the pressure switch faults and locks out the furnace. We clean the trap thoroughly and install a secondary drain line as standard practice in Van Nuys, because the dust doesn’t stop and neither should your heat. Call (844) 560-6978 before the next cold snap.
Service Areas Near Van Nuys
We run Lennox service calls throughout the central Valley and surrounding communities. Regular routes include Lennox service in Valley Glen directly south of Van Nuys, plus coverage extending to Lennox service in Laguna Woods for our Orange County customers. We also serve San Marcos, Suisun, Fairfield, San Jose, La Puente, and Valinda from our broader California operations.
Book Your Lennox Service in Van Nuys Today
Call (844) 560-6978 for same-day North Hollywood Lennox service and throughout Van Nuys. Marcus Feldman or one of our factory-trained technicians will arrive with OEM parts in stock, diagnose the real problem, and give you a straight answer on repair versus replacement. Free estimates. No dispatch fees. Just 19 years of fixing what Valley heat breaks.
Written by Marcus Feldman, Owner at Crestview Heating & Air California, serving Van Nuys since 2005.