Fast, Reliable Emergency & Commercial HVAC Across Thousand Oaks
When your AC dies during a Santa Ana wind event or your commercial building’s rooftop unit fails before a Monday opening, you need an HVAC company that knows Thousand Oaks, not just the 805 area code. We are Crestview Heating & Air California, and our Emergency & Commercial HVAC team responds to calls throughout the Conejo Valley, from the 1970s tracts near Janss Road to the master-planned homes in Dos Vientos Ranch. We’ve spent nearly two decades in this industry, and we’ve learned that Thousand Oaks’s inland valley geography creates HVAC problems coastal Ventura County simply doesn’t see. Call us at (844) 560-6978 for a free estimate.
Why Crestview Heating & Air California Is Thousand Oaks’s Preferred Emergency & Commercial HVAC Company
Our reputation in Thousand Oaks is built on showing up personally. Owner Marcus Feldman serves as our Service Manager, which means ownership-level accountability isn’t a marketing line — it’s how we operate every day. When you call Crestview, you’re not getting a dispatcher reading from a script; you’re getting a technician backed by someone with 19 years of hands-on HVAC experience who still manages jobs in the field.
That approach has earned us a 4.8-star average across 250+ customer reviews. Thousand Oaks property managers and homeowners alike have told us the same thing: they were tired of franchise outfits sending different anonymous technicians every visit, each one unfamiliar with their system’s history. We don’t work that way. Marcus knows the equipment, the local conditions, and the specific failure patterns that repeat in this city.
We’re also factory-trained across nine major brands — Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard — so we never tell a Thousand Oaks customer, “Sorry, we don’t service that unit.” Your system, our specialty. From emergency calls to commercial buildouts, we handle it without outsourcing to subcontractors.
Our Emergency & Commercial HVAC Services in Thousand Oaks
24/7 Emergency HVAC
Thousand Oaks’s Conejo Valley location traps heat during Santa Ana events, pushing afternoon temperatures past 100°F while the same valley floor sees sub-40°F nights in January. That dual-season load means equipment failures don’t wait for business hours. We offer emergency HVAC service for when your system fails outside normal hours — whether it’s a compressor seizing on a Saturday afternoon in August or a furnace quitting on a January night in the 91360 ZIP. Our emergency calls prioritize getting your space habitable quickly, then diagnosing the root cause so you’re not calling us again in two weeks.

Commercial HVAC
Commercial buildings along Thousand Oaks Boulevard and in the corporate parks near Hampshire Road depend on consistent climate control for tenant satisfaction and equipment protection. We service packaged rooftop units, split systems, and zoned setups for small-to-mid-size commercial properties. Owner Marcus Feldman manages these jobs directly, coordinating with property managers to minimize disruption to operating businesses. We’ve found that commercial clients in Thousand Oaks particularly value our ability to work on legacy equipment while also advising on efficiency upgrades that reduce summer peak demand charges.

Rooftop Unit Service
Thousand Oaks’s commercial and light-industrial buildings often use rooftop units for space efficiency and security. These units take the full brunt of Santa Ana winds and summer heat, plus the marine-layer moisture that rolls in through Malibu Canyon on summer mornings. That rapid daily swing — cool and humid at 8 AM, dry and 95°F by 2 PM — accelerates condenser coil degradation and refrigerant leaks. We inspect, repair, and replace rooftop units with an eye toward these local stressors, not generic checklists.

Chiller Service
For larger commercial facilities in Thousand Oaks with process cooling or substantial square footage, chiller reliability is non-negotiable. We service and repair commercial chillers, addressing common issues like refrigerant leaks, control failures, and degraded heat exchanger efficiency. Given Thousand Oaks’s wildfire smoke exposure during fire season, we also evaluate whether your chiller’s ventilation and filtration are adequate to protect sensitive components from particulate infiltration.

Annual Maintenance
Annual maintenance in Thousand Oaks isn’t a luxury — it’s survival planning for your equipment. Our tune-ups address the specific wear patterns this climate creates: coil corrosion from marine-layer moisture, duct leakage from decades of attic heat cycling, and filter loading during fire season. We recommend pre-season maintenance before Santa Ana season peaks and again before winter cold snaps.

HVAC Inspection
Whether you’re buying a 1970s tract home in 91363 or managing a commercial property near Moorpark Road, our inspections deliver actionable intelligence. We document duct condition, equipment age and efficiency, and specific risks posed by Thousand Oaks’s climate and geography.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Thousand Oaks
We maintain parts relationships and factory training for Trane, Lennox, Goodman, and Rheem — four of the most common brands installed in Thousand Oaks’s housing stock. Trane and Lennox systems appear frequently in the Dos Vientos Ranch builds from the early 2000s, while Goodman and Rheem units are common in the original 1970s tract homes and subsequent retrofits. Because we stock key components locally, most repairs don’t wait on shipping. That matters when your AC fails during a heat spike and your home is pulling 140°F attic air through collapsed flex duct.
Common Emergency & Commercial HVAC Problems We See in Thousand Oaks Homes
- Duct collapse in 1970s Janss Road corridor homes. Original flex duct from the 1970s separates inside unconditioned attics where summer peaks exceed 140°F. Leakage rates of 30–40% are typical. We regularly quote full duct remediation alongside equipment replacement so the new system actually delivers rated capacity.
- Condenser coil degradation from rapid daily climate swings. Marine-layer moisture in the morning, dry Santa Ana heat by afternoon. That cycle corrodes coils and causes refrigerant leaks that show up as “it was working fine yesterday” emergency calls.
- Wildfire smoke infiltration overwhelming standard filters. The Woolsey Fire burned directly into Conejo Open Space preserves, and every fire season since has brought smoke events. Standard 1-inch filters can’t handle the particulate load. We install MERV-13 filtration and fresh-air ventilation controls that can seal out smoke on command.
- Wildlife damage to outdoor equipment. Thousand Oaks’s mountain lion population — three documented sightings near the 101 corridor in 2023 — is one signal of active wildlife corridors. We secure outdoor condensing units and duct penetrations against damage from raccoons, coyotes, and other animals that competitors in Oxnard or Camarillo never think about.
Pricing for Emergency & Commercial HVAC in Thousand Oaks, CA
We believe in upfront pricing. Here’s what typical services run in the Thousand Oaks market:
| Service | Price Range in Thousand Oaks |
|---|---|
| AC Repair | $150–$650 |
| Furnace Repair | $150–$700 |
| AC Installation | $3,500–$7,500 |
| Tune-Up | $80–$200 |
What moves you within these ranges? Equipment age, accessibility (rooftop units cost more to reach than ground-level condensers), and whether we find degraded ductwork that needs addressing to make the repair worthwhile. Emergency service calls carry additional labor rates, but we’ll tell you that before we dispatch. Every estimate is free. Call (844) 560-6978 to schedule yours.
We Also Serve Cities Near Thousand Oaks
Our service radius covers the full Conejo Valley and surrounding communities. We regularly respond to calls in Emergency & Commercial HVAC situations across Westlake Village, Oak Park, Agoura Hills, and Agoura — each with its own microclimate and housing stock quirks, but all within practical reach of our Thousand Oaks response capability.
Serving Thousand Oaks, CA — Our Local Coverage Area
We’re based in the Thousand Oaks 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 — Emergency & Commercial HVAC in Thousand Oaks
Yes, California requires a C-20 Warm-Air Heating, Ventilating and Air-Conditioning license for commercial HVAC installation and repair. We hold the appropriate credentials and pull permits when required by Ventura County or the city of Thousand Oaks. Call (844) 560-6978 to discuss your commercial project’s licensing requirements — estimates are free.
Yes, we specialize in zoned system diagnostics and balancing. Dos Vientos Ranch homes in the 91362 ZIP commonly have zone dampers, variable-speed equipment, or multiple thermostats that fall out of calibration. Last August, we replaced a failed Trane compressor in a 2005 home on Watercourse Avenue in the Dos Vientos corridor. The original builder-grade thermostat had no recovery schedule, so the system ran constant 72°F during a Santa Ana event. We installed a Wi-Fi thermostat with a setback schedule and upgraded the attic insulation from R-19 to R-38, cutting the owner’s peak cooling load by nearly a third. Call us for a zone-by-zone assessment.
The marine layer that pushes through Malibu Canyon on summer mornings raises humidity and drops temperatures temporarily, often causing evaporator coils to run below dew point and ice over if refrigerant charge is slightly low or airflow is restricted. By afternoon, the Santa Ana heat arrives and the ice melts — sometimes flooding the drain pan. It’s a classic Thousand Oaks pattern we diagnose and fix regularly. Call (844) 560-6978 before the next heat spike turns that intermittent freeze into a full compressor failure.
Commercial systems in Thousand Oaks need filter changes every 1–3 months depending on fire season particulate load, plus full maintenance twice yearly — before summer Santa Ana season and before winter cold. Rooftop units and chillers may need quarterly checks given the dust and wind exposure. We build custom maintenance agreements for commercial clients. Call to schedule an inspection of your equipment.
Yes, and we often recommend it. The 91360 ZIP’s 1970s tract homes near Janss Road regularly show original flex duct that has collapsed or separated in 140°F attics. A new high-efficiency system connected to leaking ductwork wastes 30–40% of its output. We quote duct remediation as part of system replacement when testing confirms leakage above acceptable thresholds. Call (844) 560-6978 for a duct leakage test and honest assessment.
Ready to solve your HVAC problem? Call Crestview Heating & Air California at (844) 560-6978 for a free estimate on emergency service, commercial work, or any heating and cooling need in Thousand Oaks.
Written by Marcus Feldman, Owner at Crestview Heating & Air California, serving Thousand Oaks and the Conejo Valley with owner-managed HVAC service since 2005.