5 out of 5 stars
"Out here in the Sierra Pelona we've been burned by 'mountain charges' before. DC quoted flat rate, drove the dirt road without complaint, and had our heat back on the same evening."
Rachel D.
Agua Dulce, CA 91390

Santa Clarita Valley · Los Angeles County
Installing a new AC in Agua Dulce, CA is a design job before it is a labor job. DC Air and Heating installs central air conditioners, heat pumps, and complete AC-and-furnace systems across Agua Dulce, Los Angeles County — sized by Manual J load calculation, permitted with the county, HERS-tested where required, and commissioned with documented readings. Our crews reach most Agua Dulce addresses in about 35–50 minutes.
A full AC installation includes equipment selection matched by AHRI, removal and haul-away of the old system, a new pad and condenser set with proper clearances, a new evaporator coil or air handler, line set replaced or flushed and pressure tested, a new filter drier, plenum and duct transitions sealed with mastic, electrical disconnect and whip brought to code, a new thermostat, nitrogen purge and deep vacuum to 500 microns, and full charge verification by weight and subcooling.
Equipment that survives Agua Dulce has to handle canyon microclimates, wildfire smoke seasons, and rural power quality. Around Sierra Highway and Escondido Canyon we plan installations around MERV-13 filtration restricting airflow on old blowers and smoke infiltration through leaky ducts, which changes condenser placement, coil-guard choice, and line-set routing. For homes in 91390 we typically recommend a two-stage or variable-speed condenser so the system runs long, low-speed cycles instead of hammering on and off through a 105°F afternoon.
Installed AC pricing in Agua Dulce, CA generally lands between $11,600 and $29,400 for a complete system, driven by tonnage, efficiency tier, and any electrical or duct work. AC-and-furnace bundles for a 5-ton home run $14,490–$18,490 good, $16,490–$21,490 better, and $18,990–$24,990 best, with each step down in tonnage reducing the range. Synchrony 0% APR for 24 months is available, and our Instant Quote tool prices your exact options in about a minute.
Agua Dulce is rural unincorporated county: large parcels, long driveways, well water on many properties, and propane rather than natural gas on most of them. Propane changes furnace commissioning, and it makes the running cost comparison against a heat pump much more favorable than it would be on a gas line — which is why more of our Agua Dulce quotes end up as heat pump systems than in any Antelope Valley city. Homes are frequently custom rather than tract, so duct layouts are one-offs and load calculations genuinely have to be done rather than assumed. Permits go through Los Angeles County.
We are a locally owned Los Angeles County HVAC contractor headquartered at 5345 West Avenue M8 in Lancaster — about 25–32 miles from Agua Dulce, CA, or 35–50 minutes in normal traffic. That proximity is why same-day service is realistic here rather than aspirational. Every technician lives in the Santa Clarita Valley, every price is flat-rate and shown in writing before work starts, and every repair carries a one-year labor warranty. We hold California C-20 license CSLB #1158770, carry $2M liability coverage, and maintain a 4.9-star Google rating across 127+ verified reviews. Whatever it takes.
That comes from a Manual J calculation, not square footage alone. Insulation, window orientation, ceiling height, duct condition, and Agua Dulce's design temperature all move the number. Oversizing is the most common mistake we correct in the Santa Clarita Valley — it short-cycles and never dehumidifies. See A/C System Maintenance in Agua Dulce, CA.
Most Agua Dulce changeouts finish in one day. Add a half to a full day for duct modifications, electrical upgrades, or converting to a heat pump. Permit inspection is scheduled after completion and we handle the coordination. See A/C System Maintenance in Agua Dulce, CA.
Our trucks dispatch from 5345 West Avenue M8, Lancaster, CA 93536, roughly 25–32 miles from Agua Dulce, CA — typically 35–50 minutes door to door. Calls placed before 4 PM are normally handled the same day, seven days a week, and dispatch texts you a live tracking link with your technician's name and ETA. See A/C System Repair in Agua Dulce, CA.
Yes. DC Air and Heating LLC holds California C-20 HVAC contractor license CSLB #1158770, carries $2M general liability, full workers' compensation, and a $15,000 contractor's bond. We pull permits with the Los Angeles County building department and complete Title 24 / HERS verification where the work requires it. See A/C System Maintenance in Agua Dulce, CA.
Installed AC pricing in Agua Dulce, CA generally lands between $11,600 and $29,400 for a complete system, driven by tonnage, efficiency tier, and any electrical or duct work. AC-and-furnace bundles for a 5-ton home run $14,490–$18,490 good, $16,490–$21,490 better, and $18,990–$24,990 best, with each step down in tonnage reducing the range. Pricing is flat-rate and identical for every Agua Dulce address — Installed systems roughly $11,600–$29,400 depending on tonnage and tier. You see the number in writing before any work begins, and there is no trip charge inside 91390. See A/C System Repair in Agua Dulce, CA.
Yes. Approved Agua Dulce homeowners can use Synchrony plans through DC Air and Heating: 0% for 24 months, 5.99% for 58 months, or 7.99% for 115 months. Applications run soft-pull first, take about two minutes, and can be completed at your kitchen table before the technician leaves. See A/C System Repair in Agua Dulce, CA.
We cover all of Agua Dulce, CA including Sierra Highway, Escondido Canyon, Vasquez Rocks area, Agua Dulce Canyon Road, serving ZIP codes 91390 plus the surrounding Santa Clarita Valley. Our shop at 5345 West Avenue M8, Lancaster, CA 93536 is roughly 25–32 miles away, about 35–50 minutes in normal traffic, so Agua Dulce is a daily route for our trucks rather than an occasional trip.
Every repair carries a one-year labor warranty, and installed equipment carries the manufacturer's parts coverage — typically ten years when we register it for you, which we always do. Extended labor coverage is available on installations. Warranty work in Agua Dulce is scheduled at the same priority as paid service calls. See A/C System Maintenance in Agua Dulce, CA.
Verified jobs in Agua Dulce, CA · ZIP 91390
5 out of 5 stars
"Out here in the Sierra Pelona we've been burned by 'mountain charges' before. DC quoted flat rate, drove the dirt road without complaint, and had our heat back on the same evening."
Rachel D.
Agua Dulce, CA 91390
5 out of 5 stars
"Between Lake Hughes and SCV, hard to get anyone out here. DC was honest that it'd take 90 minutes — then showed up in 70 and fixed it on the first visit. Exactly the kind of company we wanted."
Greg & Susan F.
Green Valley, CA 91390
5 out of 5 stars
"Foothills, mountain road, no problem. They sized a 4-ton variable-speed system for our 2,400 sq ft and ran new line-set in a single day. Permit pulled, HERS test passed first try."
Tom & Kelly W.
Acton, CA 93510
The work Agua Dulce homeowners most often book alongside this service — matched to local conditions (canyon microclimates, wildfire smoke seasons, and rural power quality) and ZIPs 91390.
$129 single-system tune-up; $19/mo Club Membership covers two visits a year
View a/c system maintenanceMost repairs $185–$895 flat-rate; $89 diagnostic waived on approval
View a/c system repairMost HVAC repairs $185–$895 flat-rate; $89 diagnostic waived on approval
View repair hvacMost heating repairs $185–$795 flat-rate; $89 diagnostic waived on approval
View heating system repairDispatching from 5345 West Avenue M8 in Lancaster — 25–32 miles away, about 35–50 minutes door to door. Flat-rate pricing in writing before work starts. CSLB #1158770.
Agua Dulce, CA and the surrounding Santa Clarita Valley — ZIPs 91390. Neighborhoods covered daily: Sierra Highway, Escondido Canyon, Vasquez Rocks area.
Monday–Sunday, 7:00 AM – 8:00 PM. Same-day appointments in Agua Dulce when you call before 4:00 PM. After-hours emergency dispatch available.