Furnace & heating
Heat pumps
Ductless mini splits
Carrier
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Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateFast, Reliable AC Installation Across Agoura Hills
A new AC system in Agoura Hills typically runs $3,500 to $7,500 installed, and most homes we quote land between $4,800 and $6,200 once we account for ductwork condition, condenser access, and panel capacity. We install every day of the week, and our crew knows the streets from Chesebro Road to Morrison Ranch well enough that we don’t need a map app to find you. Call (559) 245-8195 for a free estimate with a written price before anyone picks up a tool.
What makes Agoura Hills different from a standard valley install is the microclimate. The same 1970s tract home that holds 75°F near Old Agoura can run 8 to 10 degrees hotter down near lower Chesebro Road on the same summer afternoon. That means sizing isn’t a guess, it’s a load calculation done for your house on your street, not borrowed from the last job on the other side of the 101.
Why Halden Heating and Air Woodland Hills Is Agoura Hills’s Preferred AC Installation Company
We’re an independently owned and operated HVAC company founded in 2004, and we’re part of the Relay Home Co. network, held to The Relay Visibility Guarantee on every single job. That means when you book with us, you know who’s coming, you know when they’ll arrive because you can track the tech to your door, and you know the price before we start. No four-hour windows. No door-step surprises.
Every installation includes a written price up front and a written guarantee backed by our 365-Day Done Right Promise. If something isn’t right, we make it right, or we come back and fix it at no charge. Andre Fuller leads our installations, and the same team that quotes your system is the one that shows up to install it. No subcontracted strangers in your driveway.
We’re certified to service and install major brands including Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We keep common parts stocked locally so a post-install adjustment doesn’t turn into a week of waiting. And our phones are answered by a live person 24/7, not a voicemail tree, because your AC doesn’t just fail between 9 and 5.
Styles & brands we work with
Ductless Mini Split Installation in Agoura Hills
Ductless Mini Split Installation is one of the smartest moves for older Agoura Hills homes, especially in the big-lot 1970s and 1980s builds around Old Agoura and Morrison Ranch where original ductwork is leaky, undersized, or buried in a crawlspace you’d rather not open. A mini split pairs an outdoor condenser with slim indoor heads mounted on your wall or ceiling, each controlled independently, so you stop paying to cool rooms nobody’s using.
When a Mini Split Makes Sense
If you’ve got an addition, a converted garage, or a second story that never holds temperature because the original single-zone system can’t push air that far, a mini split solves the problem without ripping out drywall. We see this constantly in Agoura Hills two-stories where the upstairs runs 10 degrees hotter than downstairs from June through September.
Mini split installations in Agoura Hills run within the same $3,500 to $7,500 range as a full system depending on how many indoor heads and how much electrical work the job needs. A single-zone unit for a hot bedroom or a detached office lands on the lower end. A multi-zone setup covering three or four rooms lands higher.
Fire-Safe Placement Matters Up Here
On hillside lots, especially off Chesebro Road and the canyon fingers that climb toward the Santa Monica Mountains, we place condensers with fire clearance in mind. Brush grows fast, and a unit buried in dry chaparral loses airflow, overheats, and becomes a bigger risk every fire season. We clear the pad, set the unit back properly, and talk to you about keeping the zone around it maintained.
AC Replacement in Agoura Hills
AC Replacement in Agoura Hills is not as simple as pulling the old unit and sliding in a new one with the same tonnage. Many of these homes were built with single-zone systems and 40-year-old duct runs that have never been sealed, so a like-for-like swap often means a brand-new system that still can’t hold 74°F when it’s 98°F outside. We find undersized returns, crumbling duct insulation, and panel limitations on a weekly basis.
Replacement costs land in the same $3,500 to $7,500 range, but the final number depends on what we find during the load calculation and duct inspection. A straight swap with good ductwork and a clear condenser pad sits near the lower end. A job that needs new duct sealing, a larger return, or an electrical panel upgrade climbs toward the top.
What “Like-for-Like” Gets Wrong
The 1980s builder who put a 3-ton system in your Agoura Hills home never measured the heat gain from the canyon exposure, the afternoon sun on the back wall, or the way the second story traps hot air. If we replace a 3-ton with another 3-ton without running a fresh Manual J load calculation, we’ve just installed the same problem with a prettier cabinet. We won’t do that.
Ductwork Is Part of the Job
Old Agoura homes in particular have duct runs that leak 25 to 35 percent of their conditioned air into the attic or crawlspace before it ever reaches a vent. On a 3-ton system, that’s nearly a full ton of cooling you paid for and never felt. We inspect, seal, and when needed replace duct sections so the new system actually delivers what it’s rated for.
Trusted Brands We Service in Agoura Hills
We install and service the brands Agoura Hills homeowners already trust, including Trane, Carrier, Bryant, and American Standard. Each has strengths for different homes: Trane for quiet, long-run reliability on hillside condensers; Carrier for strong humidity control during the muggy Santa Ana stretches; Bryant for value-minded replacements that still carry a solid warranty. We stock common replacement parts locally so if a capacitor or a fan motor gets flagged during an install follow-up, we’re back fast rather than scheduling a return trip for next week. We give you an honest recommendation based on your house, your ductwork, and your budget, not on which brand gives us the biggest rebate this quarter.
See the difference
Before
After
Before
After
Before
AfterCommon AC Installation Problems We See in Agoura Hills Homes
- Undersized original equipment from the 1980s. A like-for-like swap without a fresh load calculation means the new system still can’t hold temperature on the 100°F days that hit the lower canyons. We see this most often in homes where the original condenser was sized for a floor plan that’s since been opened up or added onto.
- Leaky 40-year-old ductwork in Old Agoura. Reusing ducts that eat 25 – 35 percent of your new system’s capacity means every room pays the price, especially upstairs. A new AC on old ducts is like a new engine in a car with a slipping transmission.
- Steep foothill condenser pads off Chesebro Road. Brush and ash build up around the unit, blocking airflow, overheating the compressor, and tripping the capacitor every fire season. Fire-clearance access isn’t optional up here; it’s a maintenance requirement that affects placement.
- 1980s electrical panels that can’t handle a modern heat pump. Older 100-amp panels and limited breaker space often mean we need a subpanel or an upgrade before the new system can be commissioned. We flag this before the install, not after the breaker trips for the third time.
Pricing for AC Installation in Agoura Hills, CA
Every quote we give in Agoura Hills is a written, fixed price before we start. No “estimate” that slides upward once the old unit is out and the surprising duct condition appears. We inspect first, price second, and install third, in that order.
| Service | Agoura Hills Price Range |
|---|---|
| AC Installation | $3,500 – $7,500 |
| AC Replacement | $3,500 – $7,500 |
| Ductless Mini Split Installation | $3,500 – $7,500 |
| Heat Pump Installation | $3,500 – $7,500 |
| Central Air Installation | $3,500 – $7,500 |
What moves the number within that range: the condition of your ductwork, whether your electrical panel has room and capacity for a modern system, how difficult the condenser access is, how many zones you need, and whether we’re matching an existing furnace or replacing it too. A simple swap on a well-maintained system sits near the bottom. A full replacement with duct sealing, a panel upgrade, and a hillside condenser pad sits near the top. Call (559) 245-8195 for your exact number, free.
We Also Serve Cities Near Agoura Hills
Our crews work throughout this side of the Conejo Valley corridor. If you’re in Oak Park, Calabasas, West Hills, or Topanga, you’re getting the same crew, same written price rule, and same live arrival tracking. Agoura Hills is home turf for the team on this page, but we’re ten minutes from any of those neighbors. See our full AC Installation lineup for details on every system we install.
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 About AC Installation in Agoura Hills
Because the original system was almost certainly undersized for how the house actually performs, especially on the hot canyon side. The 1980s builder never accounted for the Santa Monica Mountains microclimate, so a 3-ton for 3-ton swap reproduces the exact same shortfall. A fresh load calculation is the only way to know if the old size was ever right to begin with.
We run a Manual J load calculation using your home’s exact orientation, window area, insulation levels, ceiling heights, and the elevation-specific temperatures we’ve logged from years of working in the lower Chesebro Road and Old Agoura areas. One street up or down the hill can shift the number by half a ton, so we never size from a rule of thumb. Call (559) 245-8195 and we’ll pull the numbers for your address specifically.
Yes, but it needs a level pad, proper clearance from brush and ash, and enough access for service and fire-code compliance. Steep hillside placements off Chesebro Road are common for us; we set pads, clear the surrounding area, and make sure the unit has airflow so it doesn’t run high head pressure every fire season.
Sometimes yes, often no. Many older Agoura Hills panels are 100-amp with full breaker boxes, and a modern heat pump with auxiliary heat strips can draw more than the existing service allows. We inspect the panel during the quote and tell you before the install date if a subpanel or service upgrade is required, so there’s no surprise on install day.
Santa Ana winds drive dry heat and airborne debris through the canyons, and that combination often pushes a marginal electrical connection or an undersized breaker over the edge. It can also trip if the condenser is in a choked, brushy spot and the compressor works harder on those hot, dry stretches. We’ll diagnose the cause, not just reset the breaker, and the visit is covered under our written guarantee if the install was ours.
Written by Andre Fuller, Owner at Halden Heating and Air Woodland Hills, providing AC installation in Agoura Hills with upfront written pricing and a 365-Day Done Right Promise on every job.