Fast, Reliable Heat Pump & Mini Split Across Agoura Hills
Heat pump and mini-split installation in Agoura Hills typically runs $3,500–$7,500 for a full system, with same-week scheduling available for most projects. We regularly work in the 91301 and 91376 ZIP codes, from the hillside rebuilds off Kanan Road to the original tract homes near Reyes Adobe Park. Agoura Hills sits in a warm inland valley where summer highs hit the mid-90s and Santa Ana winds push past 100°F with humidity in single digits — conditions that punish undersized or poorly matched heat pump systems. If your Agoura Hills home was built between the 1970s and 1990s, there’s a real chance your electrical panel and ductwork need attention before any new equipment goes in. Call (855) 467-1888 and we’ll assess what your specific property needs.
Why Stonegate Heating & Air California Is Agoura Hills’s Preferred Heat Pump & Mini Split Company
We’ve spent 16 years in California’s HVAC market, and Agoura Hills presents a set of conditions we know well. The city’s housing stock splits sharply: post-2019 rebuilds after the Woolsey Fire must meet strict Title 24 energy codes, while surviving homes from the 1970s through 1990s often carry aging infrastructure that modern heat pumps weren’t designed around.
Our 499 verified reviews at a 4.7-star average reflect jobs we’ve actually completed, not cherry-picked testimonials. Agoura Hills customers specifically mention our willingness to address the full scope of a project — electrical upgrades, duct remediation, equipment selection — rather than dropping in a unit and leaving the underlying problems for someone else.
Owner Jason Trent serves as Field Supervisor, not a back-office manager. That means he’s physically present on Agoura Hills job sites, whether it’s a multi-zone Daikin install in a post-fire rebuild or troubleshooting a breaker-tripping heat pump on a 100°F Santa Ana afternoon. Response time to Agoura Hills is typically same-day or next-day for non-emergency calls, with emergency HVAC available when equipment fails during extreme heat events.
We know the local terrain. The 91301 hillside neighborhoods, the original tracts near Canwood Street, the newer construction along Ladyface Court — each carries different electrical, ductwork, and code considerations that affect heat pump and mini-split performance.
Our Heat Pump & Mini Split Services in Agoura Hills
Heat Pump Installation
Installing a heat pump in Agoura Hills requires more than equipment selection. Homes built before 1990 often lack the 240V electrical capacity modern systems need, which can add $1,500–$3,000 for a panel upgrade. We serviced a 1985 tract home on Canwood Street in 91301 where the original 100-amp panel couldn’t support a new Daikin mini-split. Our crew upgraded the panel to 200 amps and installed a multi-zone unit with backup electric heat, keeping the home comfortable during Santa Ana wind events. Post-Woolsey Fire rebuilds face the opposite challenge: Title 24 2019/2022 codes require heat-pump-compatible infrastructure, duct leakage testing, and solar-ready design from the ground up. We handle both scenarios.

Mini Split Install
Mini splits excel in Agoura Hills for two distinct applications: retrofitting older homes without existing ductwork, and zoning post-fire rebuilds where different rooms need independent temperature control. The extreme dry heat here means systems run at peak capacity for extended periods, so we size carefully for the load. Single-room installs start around the lower end of our AC installation range, while multi-zone systems covering 3–4 rooms trend higher. We install Carrier, Trane, and Lennox mini splits regularly, with factory-trained experience on each.

Multi-Zone System
Agoura Hills’s hillside homes often have dramatic temperature variations between floors — solar gain on upper levels, cooler basements, rooms that catch Santa Ana winds differently. A multi-zone mini split lets each area operate independently rather than forcing one thermostat to manage the whole house. For the post-2019 rebuilds in 91301, we design multi-zone layouts during construction that integrate with Title 24 compliance requirements. In older homes, we retrofit ductless zones where adding or extending ductwork would be impractical or would pull air through smoke-compromised plenums.

Heat Pump Repair
When a heat pump stops heating or cooling in Agoura Hills, the cause often traces to conditions specific here. Breaker trips on peak summer days frequently indicate undersized electrical service in 1970s–1990s homes. Reduced airflow can mean soot-coated coils from 2018 Woolsey Fire smoke infiltration, especially in hillside properties that survived the burn. We diagnose the actual failure mode, repair what’s fixable, and tell you straight when replacement makes more sense than throwing money at compromised equipment.

Mini Split Repair
Mini splits in Agoura Hills fail differently than traditional systems. The dry, dusty Santa Ana conditions clog outdoor condenser coils faster than coastal climates. Refrigerant leaks develop at flare connections when thermal expansion stresses joints through extreme temperature swings. Indoor blower motors labor harder when filters haven’t been upgraded to handle post-fire particulate loads. Our Heat Pump & Mini Split team carries the specific tools and refrigerants these systems require, and we work on whatever brand you have installed.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Agoura Hills
We’re factory-trained or experienced on nine major HVAC brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. For Agoura Hills customers, this means no “we don’t service that brand” dead end. We stock common parts locally for Carrier, Trane, and Lennox systems, which keeps turnaround tight when a heat pump fails during a heat wave. Whether your equipment came with a 1970s original install or a 2023 post-fire rebuild, we’ve worked on it before.
Common Heat Pump & Mini Split Problems We See in Agoura Hills Homes
- Undersized electrical panels trip breakers at peak load. 1970s–1990s Agoura Hills homes were built with 100-amp service that can’t handle modern heat pump startup current, especially when temperatures push past 100°F and compressors work hardest. We see this constantly during Santa Ana events.
- Smoke-damaged evaporator coils reduce efficiency or fail entirely. Homes in 91301 that survived the Woolsey Fire often have caked soot on coils and compromised duct liners that owners never had inspected. Cleaning doesn’t work when particulate is baked on; replacement becomes necessary.
- Original ductwork in unconditioned attics leaks conditioned air and pulls in contaminants. Agoura Hills attics regularly exceed 140°F in summer, degrading duct insulation and creating pressure imbalances that suck in attic air, dust, and in fire-zone properties, residual smoke particulate.
- Mini-split outdoor units clog with dust during Santa Ana wind events. The single-digit humidity and high winds carry fine particulate that coats condenser fins, raising head pressure and forcing compressors to work harder until they trip on thermal overload or low refrigerant.
Pricing for Heat Pump & Mini Split in Agoura Hills, CA
Heat pump and mini-split pricing in Agoura Hills reflects the real conditions we encounter on local jobs. A typical installation runs $3,500–$7,500 depending on system size, electrical upgrade needs, and whether ductwork requires remediation or replacement. Panel upgrades for older homes add $1,500–$3,000. Routine tune-ups run $80–$200 and catch the coil-fouling and electrical strain that Agoura Hills’s climate accelerates.
| Service | Typical Range in Agoura Hills |
|---|---|
| Heat Pump / Mini-Split Installation | $3,500 – $7,500 |
| Electrical Panel Upgrade (if needed) | $1,500 – $3,000 |
| Annual Tune-Up | $80 – $200 |
| Heat Pump Repair (labor + parts) | $150 – $650 |
What moves you within these ranges: system capacity, number of zones, existing electrical service, duct condition, and whether post-fire code compliance requires additional testing or documentation. We provide upfront pricing before any work begins. Call (855) 467-1888 for a free estimate specific to your Agoura Hills property.
We Also Serve Cities Near Agoura Hills
Our service area extends throughout the western San Fernando Valley and Ventura County corridor. We regularly complete heat pump and mini-split projects in Agoura, Westlake Village, Oak Park, and Thousand Oaks — each with its own housing-age profile and climate loading that informs how we size and install equipment.
Serving Agoura Hills, CA — Our Local Coverage Area
We’re based in the Agoura 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 Agoura Hills
Probably not. Most 1985 Agoura Hills homes have 100-amp panels that can’t handle the 240V draw of a modern heat pump, especially when other loads run simultaneously. We assess your actual service capacity during our free estimate and quote any necessary upgrade so you’re not surprised mid-project. Call (855) 467-1888 and we’ll check your panel.
Replace them if they were exposed to smoke infiltration. We’ve found that ducts in surviving 91301 hillside homes often carry soot and degraded liner material that cleaning can’t fully restore, and heat pumps depend on tight duct systems to meet efficiency ratings. We inspect with a camera and tell you which category you’re in. Call (855) 467-1888 to schedule a duct assessment.
California’s Title 24 2019/2022 standards require heat-pump-ready electrical, duct leakage testing, and solar-compatible design on all new construction and major renovations in Agoura Hills. We build these requirements into our post-fire rebuild proposals from the start, so your project passes inspection without costly redesign. Call (855) 467-1888 to discuss your rebuild timeline.
The combination of peak compressor load and potentially undersized electrical service is the most common cause we see in Agoura Hills. Your system works hardest exactly when your panel is already stressed by other cooling loads. We test actual amperage draw against panel capacity and upgrade service if needed. Call (855) 467-1888 before the next heat wave.
Carrier, Trane, and Lennox all manufacture high-temperature-rated heat pumps with enhanced coil coatings and robust compressor protection that hold up well in Agoura Hills’s climate. We also specify MERV-13+ filtration on every install here because of the ongoing air quality concerns in this Very High Fire Hazard Severity Zone. Call (855) 467-1888 and we’ll match a specific model to your home’s load and your indoor air quality priorities.
Written by Jason Trent, Owner and Field Supervisor at Stonegate Heating & Air California, serving Agoura Hills and surrounding communities since 2008.