Licensed & Insured HVAC Contractor • Serving All of California & New York24/7 Dispatch: (209) 309-1834
📍 La Jolla, San Diego County, CA • Open 24/7

AC Repair & Heating Repair in La Jolla, CA

Same day air conditioning repair in La Jolla, furnace repair, heat pump service and 24/7 Emergency HVAC Services in La Jolla. Licensed, insured technicians. Affordable heating repair. Upfront flat-rate pricing. No overtime fees, ever.

✔ Same Day AC Repair in La Jolla✔ 24 Hour AC Repair Near Me✔ All Brands✔ Free Replacement Estimates
AC repair in La Jolla, CA by First Call Air Conditioning and Heating Repair
24/7Emergency HVAC in La Jolla
Same DayAC & Furnace Repair
San DiegoCounty Coverage
$0After-Hours Upcharge

Air Conditioning Repair and Heating Repair in La Jolla

First Call Air Conditioning & Heating Repair is the HVAC company La Jolla homeowners call first for emergency AC repair, furnace repair and heat pump service. From capacitors and contactors to compressors, coils and full system replacement, we cover every brand and every season for homes and small businesses throughout San Diego County.

Every La Jolla service call includes measured diagnostics — superheat and subcool, static pressure, temperature rise, capacitor microfarads and motor amp draw — written down and explained. That is how you avoid paying for parts your system never needed.

Same Day AC Repair in La Jolla — What We Fix Most

  • AC not cooling in La Jolla or air conditioner not blowing cold air
  • Air conditioner not working, tripping the breaker, or refusing to start
  • AC frozen coil, iced refrigerant lines and airflow restrictions
  • AC making noise — buzzing, screeching, clicking or banging
  • AC compressor repair, capacitor, contactor and fan motor replacement
  • Refrigerant leak detection and repair (never a blind top-off)
  • Central air repair, condensate drain clogs and water leaks
  • Thermostat faults, control board and wiring diagnostics

Heating Repair, Furnace Repair & Heat Pump Service in La Jolla

  • No heat in La Jolla / heater not working
  • Furnace not working, not igniting, or blowing cold air
  • Furnace short cycling in La Jolla and limit-switch lockouts
  • Ignitor, flame sensor, inducer motor and gas valve repair
  • Heat exchanger inspection with carbon monoxide safety testing
  • Heat pump repair in La Jolla — defrost boards, reversing valves, aux heat
  • Furnace service, furnace tune-up and AC tune-up seasonal maintenance
  • Affordable furnace repair plus honest replacement quotes

Emergency HVAC Services in La Jolla — 24 Hours a Day

Heat waves and cold snaps do not keep business hours. Our La Jolla emergency line is staffed by a live dispatcher 24/7 for emergency AC repair, 24 hour heating repair and same day HVAC repair. Households with infants, seniors or medical needs are prioritized during extreme weather. Call (209) 309-1834 and we will tell you honestly whether you need a truck tonight or a morning appointment.

Waiting for your technician in La Jolla? Switch the system OFF (not just up) if you see ice on the coil, set the fan to ON, replace a dirty filter, close sun-facing blinds, and clear access to the outdoor unit and the attic or basement hatch. It often shortens the repair.

Why La Jolla Chooses First Call

  • Licensed and insured HVAC contractor with background-checked technicians
  • Upfront flat-rate pricing approved before work begins
  • No overtime fees nights, weekends or holidays
  • Measured diagnostics in writing — you see the readings
  • Stocked trucks for first-visit repairs on common failures
  • Free replacement estimates with Manual J load calculations
  • Permits and code compliance handled for installations
  • Workmanship guarantee and manufacturer warranty verification

Residential and Commercial HVAC in La Jolla

We handle residential HVAC repair for single-family homes, condos, townhomes, apartments, ADUs, mobile homes and rentals in La Jolla, plus light commercial rooftop units and split systems for offices, retail, restaurants and warehouses across San Diego County. Property managers and landlords can set up priority accounts with consolidated billing.

Nearby Areas We Also Serve

Besides La Jolla, our technicians cover Alpine, Bonita, Bonsall, Borrego Springs, Boulevard, Camp Pendleton and surrounding neighborhoods throughout San Diego County — and every other city in California.

AC Repair & Heating Repair FAQs for La Jolla, CA

Do you offer same day AC repair in La Jolla?
Yes. Same day AC repair in La Jolla is available in most cases when you call early enough in the day, and next-day appointments are standard. Emergency air conditioning repair is dispatched 24 hours a day, 7 days a week. Call (209) 309-1834 and our dispatcher will give you a real arrival window.
Is there a 24 hour AC repair service near me in La Jolla?
Our La Jolla dispatch line is answered by a live person 24/7, including nights, weekends and holidays, for 24 hour AC repair, emergency heating repair and emergency HVAC repair. We do not charge overtime or after-hours premiums.
How much does AC repair cost in La Jolla?
Most common AC repairs in La Jolla run between $150 and $550 - capacitors, contactors, ignitors, sensors and thermostats. Larger jobs such as motors, coils, refrigerant leak repair or compressor replacement range from about $450 to $3,500. You get an exact flat-rate quote after diagnosis and before any work begins.
My AC is not cooling or not blowing cold air. What should I check first in La Jolla?
Confirm the thermostat is set to COOL and below room temperature, replace a dirty air filter, check the indoor and outdoor breakers, and make sure the outdoor fan is spinning and the coil is not clogged. If the coil is iced over, switch the system OFF and the fan ON to thaw it, then call us - ice usually means low refrigerant or an airflow problem.
Do you handle heating repair and furnace repair in La Jolla too?
Yes. We handle heating repair, furnace repair, heater repair, furnace tune-ups, heat pump repair and no-heat emergency calls in La Jolla and throughout San Diego County, including gas furnaces, electric furnaces, heat pumps and ductless mini splits.
Which brands do you service in La Jolla?
All major brands, including Carrier, Trane, Lennox, Rheem, Ruud, Goodman, Amana, American Standard, York, Bryant, Payne, Coleman, Daikin, Mitsubishi, Fujitsu, LG and Bosch.
Do you offer free estimates on AC or furnace installation in La Jolla?
Yes. AC installation, furnace installation, heat pump replacement and ductless mini split estimates in La Jolla are free and include a load calculation, permit handling, rebate guidance and financing options.
Which nearby areas do you cover?
Along with La Jolla we serve Alpine, Bonita, Bonsall, Borrego Springs, Boulevard, Camp Pendleton and the rest of San Diego County, plus every other city in California.
Testimonials

What Customers Say About Our HVAC Service in La Jolla

Real feedback from homeowners and business owners who called us first.

★★★★★

“Furnace was short cycling every few minutes. Turned out to be an airflow issue nobody else caught. Fixed for a fraction of what I was quoted for a replacement. — La Jolla”

D
Danielle W.No Heat Call • La Jolla • Verified Customer
★★★★★

“Duct cleaning plus a MERV 13 filter upgrade made a real difference for my allergies. Crew was on time, covered the floors, and left the place spotless. — La Jolla”

O
Omar F.Duct Cleaning • La Jolla • Verified Customer
★★★★★

“Our AC died at 8pm during a heat wave and First Call had a technician at the house before 10. He showed me the burned-out capacitor, quoted the price before touching anything, and we had cold air the same night. No after-hours surcharge either. — La Jolla”

M
Maria G.AC Repair • La Jolla • Verified Customer
Same & Next-Day Service • 24/7 Emergency

AC Not Cooling? No Heat? We Answer 24 Hours a Day in La Jolla

Talk to a live dispatcher right now and get a licensed technician on the way — often the same day. Upfront flat-rate pricing before any work begins. No overtime charges nights, weekends or holidays.

☎ (209) 309-1834
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Full Service List

Every HVAC Service We Provide in La Jolla, CA

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AC Repair in La Jolla

AC not cooling, blowing warm air, leaking water, tripping the breaker or making noise? We diagnose and repair every brand of central air, heat pump and mini split.

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AC Installation & Replacement in La Jolla

Repair bills stacking up? We size, quote and install high-efficiency air conditioning systems with real load calculations and airflow testing — not guesswork.

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Heating Repair in La Jolla

No heat, cold air from the vents, a furnace that won't ignite, or a system that short cycles — we repair gas furnaces, electric heat, boilers, heat pumps and wall units.

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Furnace Repair in La Jolla

Every gas and electric furnace brand serviced, with combustion and carbon monoxide safety testing included on every visit.

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Furnace Installation in La Jolla

A properly installed furnace is quieter, safer and cheaper to run. We handle sizing, venting, ductwork, gas lines and permits.

♻

Heat Pump Repair in La Jolla

Heat pumps run year-round, so they fail more often. We repair reversing valves, defrost boards, charge problems and auxiliary heat faults.

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Ductless Mini Split in La Jolla

Ductless systems deliver room-by-room comfort with no duct losses — perfect for older homes, additions, ADUs and apartments.

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Thermostat Installation in La Jolla

A miswired thermostat can look exactly like a dead AC or furnace. We install, wire and program smart thermostats correctly the first time.

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Air Duct Cleaning & IAQ in La Jolla

Leaky, dirty ducts waste up to 30% of the air you paid to heat and cool. Cleaning, sealing and filtration upgrades fix comfort problems fast.

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Commercial HVAC in La Jolla

Downtime costs money. We service rooftop package units, split systems and light commercial equipment on your schedule, including after hours.

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