5 out of 5 stars
"Old single-stage system was costing us a fortune. DC put in a 2-stage Trane with a smart thermostat and the SCE bill dropped from $480 to $230 in July. Crew was clean and on time."
Jenny B.
Canyon Country, CA 91387

Santa Clarita Valley · Los Angeles County
Smart thermostat installation in Santa Clarita, CA should end with a controller that matches your equipment, not one that fights it. DC Air and Heating installs Ecobee, Nest, Honeywell Home, and manufacturer-matched communicating thermostats across Santa Clarita and the Santa Clarita Valley, configuring every stage and safety so the system runs the way the manufacturer designed it.
We confirm equipment type and staging, check for a usable common wire, install an adapter or pull new wire as needed, mount and level the new control, program stage differentials and cycle rates, configure heat pump changeover and auxiliary heat lockout, enable filter and maintenance reminders, connect to Wi-Fi with your account, and verify each mode — cool, heat, auxiliary, fan, and emergency — energizes correctly at the equipment. Old controls are removed and disposed of.
In Santa Clarita, hot inland summers with mild but damp winter mornings makes scheduling and remote sensors genuinely valuable — bedrooms on the hot side of the house rarely track the hallway thermostat. Around Valencia and Saugus we frequently see zoning dampers stuck on multi-level homes, and placing a remote sensor in the problem room often fixes a complaint that a homeowner assumed required new equipment. Same-day appointments are usually available across 91350, 91351, 91354, 91355, 91387, 91390.
Labor-only installation in Santa Clarita, CA is $189 for a straightforward swap with existing wiring. Supplied and installed pricing runs $349–$795 depending on model and wiring work. Additional remote sensors are $59 each installed and paired. Zoned or communicating systems are quoted individually, and thermostat installation is included free with any complete system replacement.
Santa Clarita is over the pass and about 1,200 feet lower than the Antelope Valley, so the load profile flips: cooling hours dominate, winters are mild, and heat pumps make far more financial sense here than they do in Acton or Tehachapi. The housing is largely 1980s-through-2000s tract construction with attic air handlers and long flex runs to the far bedrooms, which is why room-to-room temperature complaints are the single most common reason we get called out. Permits are issued by the City of Santa Clarita. Travel from Lancaster runs 35–50 minutes depending on the 14 through Soledad Canyon.
We are a locally owned Los Angeles County HVAC contractor headquartered at 5345 West Avenue M8 in Lancaster — about 32–42 miles from Santa Clarita, CA, or 40–55 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.
For most Santa Clarita homes we recommend Ecobee for its remote sensors, which solve the hot-bedroom problem common with hot inland summers with mild but damp winter mornings. Homes with communicating variable-speed equipment should use the manufacturer's matched control to keep full staging available.
Yes. Labor-only installation in Santa Clarita is $189, and we will tell you before starting whether your model supports your equipment's staging. If it does not, we will explain exactly what it will and will not control.
Our trucks dispatch from 5345 West Avenue M8, Lancaster, CA 93536, roughly 32–42 miles from Santa Clarita, CA — typically 40–55 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 Thermostat Repair in Santa Clarita, 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.
Labor-only installation in Santa Clarita, CA is $189 for a straightforward swap with existing wiring. Supplied and installed pricing runs $349–$795 depending on model and wiring work. Pricing is flat-rate and identical for every Santa Clarita address — $189 labor only; $349–$795 supplied and installed. You see the number in writing before any work begins, and there is no trip charge inside 91350, 91351, 91354, 91355, 91387, 91390. See Thermostat Repair in Santa Clarita, CA.
Yes. Approved Santa Clarita 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 Thermostat Repair in Santa Clarita, CA.
We cover all of Santa Clarita, CA including Valencia, Saugus, Newhall, Stevenson Ranch, Castaic, serving ZIP codes 91350, 91351, 91354, 91355, 91387, 91390 plus the surrounding Santa Clarita Valley. Our shop at 5345 West Avenue M8, Lancaster, CA 93536 is roughly 32–42 miles away, about 40–55 minutes in normal traffic, so Santa Clarita 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 Santa Clarita is scheduled at the same priority as paid service calls.
Verified jobs in Santa Clarita, CA · ZIP 91350, 91351, 91354
5 out of 5 stars
"Old single-stage system was costing us a fortune. DC put in a 2-stage Trane with a smart thermostat and the SCE bill dropped from $480 to $230 in July. Crew was clean and on time."
Jenny B.
Canyon Country, CA 91387
5 out of 5 stars
"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
5 out of 5 stars
"HOA in Valencia is strict about equipment placement. DC handled the architectural review packet, got it approved, and had the new Carrier system in two weeks ahead of schedule."
Mike A.
Valencia, CA 91355
The work Santa Clarita homeowners most often book alongside this service — matched to local conditions (hot inland summers with mild but damp winter mornings) and ZIPs 91350, 91351, 91354, 91355, 91387, 91390.
$89 diagnostic, most thermostat and control repairs $145–$425
View thermostat repair$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 repairInstalled systems roughly $11,600–$29,400 depending on tonnage and tier
View install acSingle-zone mini-splits from roughly $5,400; multi-zone systems $9,800–$24,600
View ductless heating & a/c servicesWhole-home duct and vent cleaning typically $495–$1,250
View hvac duct & vent cleaningDispatching from 5345 West Avenue M8 in Lancaster — 32–42 miles away, about 40–55 minutes door to door. Flat-rate pricing in writing before work starts. CSLB #1158770.
Santa Clarita, CA and the surrounding Santa Clarita Valley — ZIPs 91350, 91351, 91354, 91355, 91387, 91390. Neighborhoods covered daily: Valencia, Saugus, Newhall.
Monday–Sunday, 7:00 AM – 8:00 PM. Same-day appointments in Santa Clarita when you call before 4:00 PM. After-hours emergency dispatch available.