Fast, Reliable Heat Pump & Mini Split Across West Hills
Heat pump and mini-split installation in West Hills typically runs $3,500–$7,500 for a full system, with same-day repair response available throughout 91307 and 91308. We’re familiar with the specific challenges of West Hills’s 1960s–70s housing stock, from baked-apart attic ductwork on Fallbrook Avenue to undersized electrical panels in original tract homes near the Simi Hills. If your system is struggling through another 105°F valley afternoon or you’re done paying for window units, call us at (844) 875-9451. Our Heat Pump & Mini Split team covers West Hills directly from our San Diego base, with emergency dispatch for urgent failures.
Why Redwood Heating & Air San Diego Is West Hills’s Preferred Heat Pump & Mini Split Company
Gregory Hahn founded this company and still leads every technical decision. That matters in West Hills, where a heat pump retrofit isn’t a simple swap — it’s a system redesign that requires master-level diagnosis of legacy ductwork, electrical capacity, and wind exposure. Homeowners in 91307 have left us 428+ verified reviews averaging 4.6 stars, many noting that we identified problems other crews missed entirely.
We typically reach West Hills properties within our standard San Diego metro response window, and we carry factory-authorized parts for Carrier, Trane, Bryant, and American Standard to avoid the multi-day delays that plague single-brand dealers. Our 13 years in business means we’ve worked on the exact housing stock you’re living in — the same ranch-style layouts, the same attic configurations, the same electrical panels that were never designed for modern heat pump loads.
Our Heat Pump & Mini Split Services in West Hills
Heat Pump Installation
West Hills’s defining HVAC challenge is that original 1960s–70s rigid metal ductwork and undersized returns can’t handle the higher static pressure and airflow modern heat pumps require. We don’t quote equipment swaps here without a full duct assessment. On a 1973 ranch on Fallbrook Avenue in 91307, we replaced a failed original Rheem furnace with a Daikin multi-zone mini split system. The homeowner had been running window units for years because the old ductwork in the 140°F attic had baked apart at every collar, dumping cooled air into the attic. We installed three wall-mounted heads covering the main living areas and two bedrooms, routing new linesets through the crawlspace to bypass the dead ducts. Full heat pump installation in West Hills runs $3,500–$7,500 depending on system size and whether duct redesign or electrical upgrades are needed.
Multi-Zone System
The northern edges of West Hills near the Simi Hills have later custom and semi-custom hillside homes that present genuine multi-zone design challenges — difficult equipment access, varied sun exposure across levels, and homeowners who want precise temperature control without running central air to empty rooms. We design Daikin and Carrier multi-zone systems that place individual heads where the architecture demands, not where a standard floor plan suggests. For the 1960s–70s tract homes that dominate 91307, multi-zone mini splits often solve the baked-duct problem entirely by eliminating the attic distribution system.
Mini Split Install
Mini split installation is our most common West Hills service for good reason. When original flex duct collars have literally baked apart after decades of 140°F+ attic temperatures, the house becomes impossible to cool no matter how much equipment you throw at it. Mini splits bypass the attic entirely. We route linesets through crawlspaces, exterior walls, or soffits depending on the specific home — and we’ve done enough West Hills installations to know which approaches work on the local ranch and split-level footprints. Single-zone mini split installs start toward the lower end of our range; whole-home multi-head systems run higher.
Heat Pump Repair & Mini Split Repair
West Hills’s Santa Ana wind exposure creates repair needs you won’t see in coastal markets. Wildfire particulate and ash from canyon fires in adjacent Woolsey and Bell Canyon drainages drive directly into outdoor condenser coils, causing rapid fouling and pressure failures. We stock cleaning kits and manufacturer wind baffle kits for Trane, Bryant, and American Standard units, and we carry soft-start capacitors for the compressor strain that repeated high-temperature cycling causes. Heat pump repair in West Hills typically runs $150–$650 depending on whether we’re addressing a refrigerant issue, electrical fault, or coil cleaning.
What happens when you call
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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 West Hills
We’re certified to service nine major HVAC brands — Carrier, Trane, Lennox, Daikin, Rheem, York, Goodman, Bryant, and American Standard — which means we diagnose based on what your system actually needs, not what our single franchise agreement allows us to sell. For West Hills customers, this matters because parts availability determines whether you’re running window units for three days or three hours. We maintain local inventory for the brands most common in 1960s–90s West Hills installations: Carrier, Trane, Bryant, and American Standard. Gregory Hahn’s Master Technician designation means the person signing off on your repair has factory-level fluency across all nine lines, not training on one proprietary system.
Common Heat Pump & Mini Split Problems We See in West Hills Homes
- Baked-apart attic duct collars. Local techs consistently find that flex duct in 1960s–70s West Hills attics has literally baked apart at the collar connections after decades of 140°F+ attic temperatures, dumping conditioned air straight into the attic while the homeowner runs the system continuously and wonders why the house never cools. This failure mode is far more prevalent here than in thermally milder neighboring Calabasas or Woodland Hills.
- Undersized electrical panels. The 100-amp panels common in 1970s West Hills tract homes often can’t supply the required amperage for a modern heat pump compressor, forcing a panel upgrade or a soft-start kit retrofit before installation can proceed.
- Santa Ana wind coil fouling. Santa Ana events drive extremely low-humidity air and wildfire particulate directly through outdoor condenser coils, accelerating fouling and pressure failures if units aren’t protected by the manufacturer’s wind baffle kit.
- Heat pump short-cycling from inadequate return airflow. Original undersized returns in West Hills’s legacy housing can’t deliver the volume modern heat pumps need, causing the system to short-cycle, spike energy bills, and fail prematurely.
Pricing for Heat Pump & Mini Split in West Hills, CA
We’re upfront about numbers because West Hills homeowners research before they call. Here’s what we typically see in 91307 and 91308:
| Service | Typical Range in West Hills |
|---|---|
| AC / Heat Pump Repair | $150–$650 |
| AC / Heat Pump Installation | $3,500–$7,500 |
| Tune-Up / Maintenance | $80–$200 |
Heat pump installation at the higher end usually involves full duct redesign, electrical panel upgrades, or multi-zone mini split configurations. The baked-duct and undersized-panel issues common in West Hills’s 1960s–70s stock push many jobs toward system redesign rather than equipment swap. We provide exact written estimates before any work begins — call (844) 875-9451 to schedule a free assessment.
We Also Serve Cities Near West Hills
Our service radius covers the full western San Fernando Valley and surrounding communities. We regularly work in Canoga Park, Woodland Hills, Calabasas, and Chatsworth — each with its own housing stock and climate quirks, though none replicate West Hills’s specific combination of valley heat-trap microclimate and 1960s–70s infrastructure. If you’re in a neighboring city and found this page through research, the same master-technician standards apply.
Serving West Hills, CA — Our Local Coverage Area
We’re based in the West 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 — Heat Pump & Mini Split in West Hills
No — in most 1968 West Hills homes, the original rigid metal ductwork and undersized returns cannot handle the higher static pressure and airflow that modern heat pumps require. We assess every system before quoting, but plan on duct redesign as part of your project. Call (844) 875-9451 for a free evaluation of your specific layout.
Yes — modern mini splits from Daikin and Carrier are rated for the 105–112°F peaks West Hills sees, and they perform better than legacy central systems because they bypass the 140°F attic entirely. The key is proper sizing for your specific home’s heat gain, which we calculate room-by-room. Call (844) 875-9451 to discuss whether a mini split or multi-zone system fits your property.
Yes — split-levels on Fallbrook Avenue and similar West Hills streets are excellent candidates for multi-zone mini splits because each level has distinct heat gain patterns and the original single-thermostat central system never balanced well across floors. We typically install separate heads for the main living area, upper bedrooms, and lower family room. Call (844) 875-9451 for a zone-by-zone design quote.
A full heat pump replacement in West Hills runs $3,500–$7,500, with most 1960s–70s homes landing in the upper half due to required duct redesign or electrical upgrades. The exact figure depends on your home’s square footage, existing infrastructure condition, and whether you opt for a standard heat pump or multi-zone mini split. Call (844) 875-9451 for a written estimate — assessments are free.
Yes — outdoor condenser units in West Hills should be installed with manufacturer wind baffle kits to reduce coil fouling from Santa Ana-driven particulate and ash. We also recommend more frequent coil cleaning than in coastal markets, typically annually before peak wind season. If your current unit is struggling after recent wind events, call (844) 875-9451 for a coil inspection and cleaning.
Ready to stop fighting with window units and failed central air? Call (844) 875-9451 or schedule online for a free estimate. We’ll assess your West Hills home’s specific ductwork, electrical capacity, and wind exposure, then recommend the right heat pump or mini split system — not the convenient upsell.
Written by Gregory Hahn, Owner at Redwood Heating & Air, serving West Hills and San Diego since 2011.