Where is DC Air and Heating located?

DC Air and Heating LLC is headquartered at 5345 West Avenue M8, Quartz Hill, CA 93536. From this office we dispatch trucks across the entire Antelope Valley — Lancaster, Palmdale, Quartz Hill, Rosamond, Acton, Littlerock, Lake LA, Mojave, Edwards AFB, Tehachapi — plus Bakersfield, Santa Clarita, Valencia, and the northern San Fernando Valley.

What are DC Air and Heating's hours?

We answer phones live 7 AM to 8 PM, seven days a week — including Saturdays, Sundays, and most holidays. True overnight emergencies (8 PM–7 AM) are handled by an on-call line at the same flat rates with no after-hours surcharge.

How do I get a free HVAC quote?

Three ways: (1) call (661) 310-3340 for live dispatch, (2) get an instant online quote at dcairandheating.com/instant-quote, or (3) book a free in-home consultation at dcairandheating.com/book. Replacement quotes are 100% free and held for 30 days.

What HVAC services do you provide?

AC repair, AC installation/replacement, AC maintenance & tune-ups, furnace repair and installation, heat-pump conversions, mini-split installation, ductwork repair and replacement, smart thermostat installation, indoor air quality (UV, media filtration, duct sealing), and emergency same-day dispatch.

What financing do you offer?

Three standard Synchrony plans: Plan 925 — 0% APR for 24 months. Plan 970 — 5.99% APR for 58 months (most popular). Plan 942 — 7.99% APR for 115 months (lowest payment). All approve in 60 seconds with no down payment.

Do you offer same-day service?

Yes. Same-day dispatch is standard for any service call placed by 4 PM, 7 days a week. Most no-cool repairs (capacitor, contactor, fan motor, refrigerant top-off, condensate drain) are completed during the first visit.

How much does AC repair cost?

Common AC repairs run $185–$895: capacitor $189–$289, contactor $235–$345, condenser fan motor $445–$695, refrigerant recharge $295–$695, drain clear $185–$245. Larger jobs (compressor, evaporator coil) run $1,200–$2,950. Diagnostic fee is $89 and is waived if you approve the repair the same day.

Santa Clarita Valley · Los Angeles County

A/C System Repair in Castaic, CA

Q: Are you licensed and insured?

Yes. DC Air and Heating LLC carries a California State C-20 HVAC contractor's license (CSLB #1158770), $2 million general liability insurance, full workers' compensation, and a $15,000 California contractor's bond. Certificates available on request before any work begins.

When the air conditioning quits in Castaic, CA, you need a diagnosis today — not a callback window three days out. DC Air and Heating provides same-day A/C system repair throughout Castaic, dispatching from 5345 West Avenue M8, Lancaster, CA 93536, about 38–47 miles away and typically 45–60 minutes from your door. We repair every major brand, quote flat rates before touching a wrench, and stock the parts that actually fail in the Santa Clarita Valley on every truck.

Call (661) 310-3340 Book Online Free Instant Quote

45–60 minutes from our Lancaster shop
ZIPs 91384
CSLB #1158770

What a/c system repair includes in Castaic

A repair call starts with a full-system diagnostic: refrigerant pressures, superheat and subcooling, compressor and condenser-fan amp draw, capacitor capacitance, contactor condition, thermostat call verification, blower speed, and static pressure. That tells us whether the fault is electrical, mechanical, refrigerant, or airflow before any part is sold. Most no-cool calls in Castaic finish in one visit because the common failures — capacitors, contactors, condenser fan motors, control boards, and drain clogs — ride on the van.

Same-day dispatch for calls before 4 PM
$89 diagnostic, waived when you approve the repair
Flat-rate price shown in writing before work starts
Capacitors, contactors, fan motors, and boards stocked
Refrigerant leak search with electronic detection
1-year labor warranty on every repair

Castaic conditions that shape a/c system repair

The repair pattern in Castaic is driven by hot canyon afternoons off the I-5 corridor. Across Castaic Lake, Live Oak, and Hasley Canyon, the calls we run most are condensers baking on unshaded pads, duct leakage in vaulted ceilings, and hard-start needs on long circuits. Because we work 91384 daily rather than occasionally, we know which subdivisions still run original builder equipment and which failures repeat street by street.

A/C System Repair cost in Castaic, CA

Common A/C repairs in Castaic, CA run $185–$895 flat-rate: capacitor $189–$289, contactor $235–$345, condensate drain clear $185–$245, condenser fan motor $445–$695, refrigerant recharge $295–$695. Larger work — compressor, evaporator coil, or blower motor — runs $1,200–$2,950. The $89 diagnostic is credited back the moment you approve the repair, and there is no after-hours, weekend, or holiday premium.

Get an instant price See financing options

Permits, utilities and housing stock in Castaic

Castaic runs hot in summer — the I-5 corridor north of Santa Clarita regularly beats the rest of the valley by a few degrees — and the mix of hillside lots and older properties along Castaic Lake means condenser placement is rarely straightforward. Newer subdivisions off Hasley Canyon are conventional tract construction; the older homes closer to the lake are anything but, and several are on well or septic with electrical services that were never intended for modern equipment. Permits are handled by Los Angeles County. Castaic is at the far edge of our radius, so we schedule it with other Santa Clarita Valley work.

Permit authority: Los Angeles County Building & Safety (unincorporated)
Utilities: Southern California Edison / SoCalGas
Elevation: about 1,300 ft

Why Castaic homeowners call DC Air and Heating

We are a locally owned Los Angeles County HVAC contractor headquartered at 5345 West Avenue M8 in Lancaster — about 38–47 miles from Castaic, CA, or 45–60 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.

A/C System Repair FAQs — Castaic, CA

Can you repair my AC today in Castaic?

Usually yes. Same-day service is standard for Castaic calls placed before 4 PM, and we run seven days a week from 7 AM to 8 PM. Call (661) 310-3340 and dispatch will confirm a two-hour arrival window. See A/C System Maintenance in Castaic, CA.

Should I repair or replace my A/C in Castaic?

Our rule of thumb: if the system is under 10 years old, repair it. Between 10 and 15 years with a repair over about a third of replacement cost, we price both. Past 15 years on R-22, replacement almost always wins on operating cost alone given hot canyon afternoons off the I-5 corridor. See AC Installation in Castaic, CA.

How fast can you get to Castaic for a/c system repair?

Our trucks dispatch from 5345 West Avenue M8, Lancaster, CA 93536, roughly 38–47 miles from Castaic, CA — typically 45–60 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 Maintenance in Castaic, CA.

Are you licensed and insured for a/c system repair in Los Angeles County?

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 Castaic, CA.

What does a/c system repair cost in Castaic, CA?

Common A/C repairs in Castaic, CA run $185–$895 flat-rate: capacitor $189–$289, contactor $235–$345, condensate drain clear $185–$245, condenser fan motor $445–$695, refrigerant recharge $295–$695. Larger work — compressor, evaporator coil, or blower motor — runs $1,200–$2,950. Pricing is flat-rate and identical for every Castaic address — Most repairs $185–$895 flat-rate; $89 diagnostic waived on approval. You see the number in writing before any work begins, and there is no trip charge inside 91384. See AC Installation in Castaic, CA.

Do you offer financing for a/c system repair in Castaic?

Yes. Approved Castaic 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 AC Installation in Castaic, CA.

Which Castaic neighborhoods and ZIP codes do you cover?

We cover all of Castaic, CA including Castaic Lake, Live Oak, Hasley Canyon, Val Verde, serving ZIP codes 91384 plus the surrounding Santa Clarita Valley. Our shop at 5345 West Avenue M8, Lancaster, CA 93536 is roughly 38–47 miles away, about 45–60 minutes in normal traffic, so Castaic is a daily route for our trucks rather than an occasional trip.

What warranty comes with a/c system repair?

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 Castaic is scheduled at the same priority as paid service calls. See A/C System Maintenance in Castaic, CA.

A/C System Repair in nearby areas

Other HVAC services in Castaic

4.9 / 5· 127+ verified reviews

A/C System Repair reviews from Castaic homeowners

Verified jobs in Castaic, CA · ZIP 91384

"Up by Castaic Lake, summer hits hard. DC came out same day, swapped a contactor and capacitor, and we were back to 72° before dinner. Honest pricing, no upsell pressure."

Carlos N.

Castaic, CA 91384

"Got three quotes for a heat pump conversion. DC was the only one who actually did a load calc instead of just sizing off square footage. The system runs quieter than the old AC ever did."

Lisa & Anthony M.

Saugus, CA 91350

"Two-story house in Stevenson Ranch, upstairs always 8° hotter. They installed zoning + a new return run and now both floors hold within 1°. Best HVAC decision we've made."

Sara L.

Stevenson Ranch, CA 91381

Join them — call (661) 310-3340 Read all 127+ reviews

The work Castaic homeowners most often book alongside this service — matched to local conditions (hot canyon afternoons off the I-5 corridor) and ZIPs 91384.