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AC Repair in Los Altos
Fast air conditioning repair for every brand - no cooling, weak airflow, leaks, tripped breakers, bad capacitors and compressors.
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AC Repair in Los Altos, CA — Air Conditioning & Heating Repair
Searching for air conditioning repair near me in Los Altos? Air Conditioning Filters Guys — the best ac and heating repair guys — provides same day AC repair in Los Altos, emergency heating repair, furnace repair and complete HVAC service with upfront flat-rate pricing. No overtime charges on nights, weekends or holidays.
- 24 hour AC repair Los Altos
- Same & next-day service
- Licensed & insured
- All brands
Air Conditioning Repair and Heating Repair in Los Altos
Whether your AC is not cooling on the hottest afternoon of the year or you have no heat in Los Altos at 3am, one call gets a licensed technician rolling. We handle AC repair Los Altos, air conditioner repair Los Altos, central air repair Los Altos, AC service Los Altos, heating repair Los Altos, furnace repair Los Altos, heater repair, furnace service, HVAC repair Los Altos and heating and cooling repair Los Altos for houses, condos, rentals and light commercial spaces.
Emergency AC repair in Los Altos — 24/7
Our Los Altos emergency line is answered by a human at any hour. Homes with infants, seniors or medical equipment are prioritized, and there is no after-hours premium on standard repairs.
- Emergency air conditioning repair Los Altos
- 24 hour AC repair Los Altos and 24/7 AC repair near me
- Same day AC repair Los Altos and same day HVAC repair Los Altos
- Emergency heating repair and 24 hour heating repair Los Altos
- Emergency HVAC repair for total system failure
Problems we fix in Los Altos every week
- AC not cooling Los Altos and AC not blowing cold air Los Altos
- Air conditioner not working or will not start
- AC frozen coil and iced refrigerant lines
- AC making noise Los Altos: buzzing, grinding, rattling
- AC compressor repair Los Altos and hard-start failures
- Furnace not working, no heat Los Altos, heater not working
- Furnace short cycling Los Altos and limit switch trips
- Heat pump repair Los Altos: defrost, reversing valve, aux heat
Our HVAC Services in Los Altos, CA
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24/7 Emergency HVAC Repair in Los Altos
Emergency AC repair and emergency heating repair around the clock - nights, weekends and holidays included.
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Heating Repair in Los Altos
No heat? We repair furnaces, heat pumps, boilers, ignitors, blowers, gas valves and thermostats same day.
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Furnace Repair in Los Altos
Furnace short cycling, blowing cold, clicking but not starting - diagnosed and fixed with upfront flat-rate pricing.
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AC Installation & Replacement in Los Altos
High-SEER2 air conditioner installation and replacement with real load calculations, not guesswork.
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Furnace Installation in Los Altos
High-efficiency furnace replacement with venting, gas piping and permits handled start to finish.
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Heat Pump Repair & Install in Los Altos
Heat pump repair including defrost boards, reversing valves, inverter mini-splits and cold-climate systems.
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AC & Furnace Tune-Ups in Los Altos
Seasonal AC tune-up and furnace tune-up plans that prevent most emergency breakdowns.
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Ductless Mini-Splits in Los Altos
Ductless mini-split installation and repair for additions, garages, attics, sunrooms and older homes.
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Air Filters & Air Quality in Los Altos
Filter service, MERV upgrades, media cabinets, UV lights, humidifiers and dehumidifiers.
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Duct Repair, Sealing & Cleaning in Los Altos
Leaky duct sealing, insulation, register balancing and cleaning to fix hot and cold rooms.
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Smart Thermostat Install in Los Altos
Wi-Fi and smart thermostat installation, C-wire fixes, zoning controls and programming.
Learn more →Need AC or Heating Repair in Los Altos Today?
Live dispatch 24/7. Same-day and next-day appointments. Upfront flat-rate pricing approved before any work starts - and no overtime surcharge for nights, weekends or holidays.
☎ (888) 380-5739Service Area Map — Los Altos, California
We cover Los Altos plus surrounding neighborhoods and nearby towns including Los Angeles, Los Alamos, Los Banos, Los Alamitos, Los Gatos, Loomis. If you are just outside the map, call anyway, because we very likely still reach you.
Los Altos Pricing — What Repairs Typically Cost
| Repair | Typical range (installed) | Availability |
|---|---|---|
| Diagnostic / service call | $69 – $129 (waived with repair) | Same day |
| Capacitor or contactor replacement | $150 – $330 | Same day, 24/7 |
| Furnace ignitor or flame sensor | $180 – $390 | Same day, 24/7 |
| Condenser fan motor | $390 – $780 | Same / next day |
| Blower motor (ECM) | $520 – $1,250 | Same / next day |
| Refrigerant leak repair & recharge | $420 – $1,600 | Same / next day |
| AC compressor repair or replacement | $1,300 – $2,900 | 1 – 3 days |
| AC tune-up or furnace tune-up | $89 – $169 | Scheduled |
| Full system replacement | Free in-home estimate | Financing available |
Ranges are typical for residential HVAC repair in Los Altos, CA and vary with equipment, access and parts availability. You always receive a written flat-rate price before we begin any work.
Why Los Altos Homeowners Choose the AC Filters Guys
Local response, national backup
Technicians dispatched to Los Altos know the local housing stock, the climate swings and the permit rules. Behind them sits a nationwide parts network, so a rare control board or coil does not leave you waiting a week.
Straight answers on repair versus replace
If your system is worth repairing, we repair it. If replacement genuinely saves you money, you see both numbers side by side with the efficiency math, not a scare tactic.
Best AC repair Los Altos and affordable furnace repair Los Altos
Flat-rate pricing, no overtime charges, no trip fees inside our service radius, financing on replacements, and a written parts-and-labor warranty on every repair. That is what best and affordable actually mean.
Reviews from Los Altos and Nearby
★★★★★
24/7 really means 24/7 here. New Year's Day, no heat, and a human actually answered the phone.
— Ben F., verified customer
★★★★★
Our furnace was short cycling all night. They showed me the cracked ignitor and gave me the price before touching anything. Best AC and heating repair guys in Los Altos, hands down.
— Angela R., verified customer
★★★★★
Great tune-up. They caught a rusted-out drain pan before it flooded my hallway. Twenty minutes of prevention saved me a ceiling.
— Sandra L., verified customer
Los Altos HVAC Questions & Answers
Do you offer same day AC repair in Los Altos?
Yes. Same day AC repair in Los Altos is available most days, and emergency AC repair is dispatched 24/7 including nights, weekends and holidays. Call (888) 380-5739 for the next open window.
How fast can a technician reach Los Altos?
Typical arrival for Los Altos and nearby communities such as Los Angeles, Los Alamos, Los Banos, Los Alamitos, Los Gatos, Loomis is 2 to 4 hours for emergencies, and a same-day or next-day window for standard AC service and heating repair.
How much does AC repair in Los Altos cost?
Common repairs in Los Altos such as a capacitor, contactor, ignitor, flame sensor or thermostat usually run $150 to $450 installed. Blower motors, evaporator coils and AC compressor repair cost more. You approve a flat-rate price before we start.
My AC is not blowing cold air in Los Altos. What should I check first?
Check three things: the air filter, since a clogged filter chokes airflow; the outdoor unit, clearing debris and confirming the fan spins; and the breaker. If the indoor coil is iced over, set the system to FAN ONLY for one to two hours to thaw, then call us, because ice means low refrigerant or restricted airflow.
I have no heat in Los Altos. Is that an emergency?
If indoor temperatures are falling below the mid 50s Fahrenheit, or there are infants, seniors or anyone with a medical condition in the home, treat it as an emergency. We run 24 hour heating repair in Los Altos year-round. If you smell gas, leave the house first, call your gas utility, then call us.
Do you repair heat pumps in Los Altos?
Yes. Heat pump repair in Los Altos covers reversing valves, defrost boards, low charge, auxiliary heat strips, inverter mini-splits and cold-climate heat pumps.
Why is my furnace short cycling in Los Altos?
The most common causes are a dirty filter, a failing flame sensor, a blocked flue or a limit switch tripping from overheating. Short cycling wastes energy and can crack a heat exchanger, so it should be diagnosed quickly.
Do you offer AC tune-ups and furnace tune-ups in Los Altos?
Yes. Seasonal maintenance is the cheapest HVAC you will ever buy. An AC tune-up in spring and a furnace tune-up in fall prevents the majority of emergency breakdowns we see in Los Altos.
Are you licensed and insured?
Yes. Licensed, insured, EPA 608 certified and background-checked, with permits pulled where required.
Which brands do you service in Los Altos?
All major brands: Carrier, Trane, Lennox, Goodman, Rheem, York, American Standard, Bryant, Amana, Daikin, Mitsubishi, Fujitsu, Payne, Ruud, Heil, Tempstar and Coleman.
Nearby Cities We Also Serve in California
- AC Repair in Los Angeles, CA
- AC Repair in Los Alamos, CA
- AC Repair in Los Banos, CA
- AC Repair in Los Alamitos, CA
- AC Repair in Los Gatos, CA
- AC Repair in Loomis, CA
- AC Repair in Los Molinos, CA
- AC Repair in Lookout, CA
- AC Repair in Los Olivos, CA
- AC Repair in Long Beach, CA
See all California service areas → | All states →