San Jose Air Conditioning & More
Repairs Installations Replacements Additions Maintenance

The Air conditioning and heating contractors at Air Quality Systems have been in business for 24 years, doing everything from air conditioning service, replacements, furnace installations, repair and maintenance,  Central air conditioning, Residential and Commercial heating and air conditioning services in San Jose, Fremont, Hayward, Danville, Los Altos, Saratoga, Los Gatos, Livermore, California.
and surrounding cities.

  • Trane A/C Installations, service and replacement.
  • Carrier Air Conditioning service/Repair
  • Bryant - Payne  Air Handlers, air Cleaners
  • American Standard air conditioners and services
  • Roof top ac package units, air forced heating,
  • Heat pump service installation and repair.
  • Thermostats Digital Control WI-FI, air humidifiers
  • Electronic air cleaners, Duct replacement
  • Residential ac repair and maintenance
  • Commercial air conditioning service - replacements









All air conditioning and ac service available, residential and commercial equipment available to give you the highest energy efficient operation, condenser units that comes with variable speed compressors with up to five stages to make the right choice for optimum energy efficient, STANDARD systems blast cool air at one speed before shutting off which can lead to widely temperature fluctuation, MAXIMIZE your comfort with a touch panel thermostat control  that includes Schedules, cooling, humidification, dehumidification, fan speeds and more,  new air conditioners 21 and 19 seer operates at sound levels as low as 56 db giving the home owners the extra quiet operation by maximizing airflow and minimizing vibrationat units.

Air Conditioning With Variable Speed
       The Total Indoor Comfort System

  • Air Conditioner Unit, Package Units
  • Gas Furnace, Air Handlers, TXV valves
  • Evaporator Coils, Refrigerant Lines
  • Air Purifier, Humidifiers, Defrost controls
  • Zoning Controls,  Powered Dumpers
  • Commercial Air Conditioning Service
  • Residential Air Conditioning Condensers
  • AC duct Installation and Replacement
  • Heat Pump, Swamp Coolers, Thermostats
  • Condenser Motors, Compressors



All Air Conditioning Installations, Replacements and  Heating Service and Repairs in Hayward, San Ramon, Castro Valley, San lorenzo, Oakland, Dublin, Pleasanton, Alamo, Danville, Lafayette, San Leandro, Orinda, Moraga, Walnut Creek, Concord, Union City, Fremont, Milpitas, San Jose, Santa Clara, Sunnyvale, Saratoga, Morgan Hill, Gilroy, Los Gatos, Monte Sereno, Cupertino, Los altos, Los Altos Hills, Palo Alto, Portola Valley, Menlo Park, Atherton, Redwood City, Woodside, San Carlos, Belmont, San Mateo, Burlingame, Millbrae, Foster City, Redwood Shores, Hillsborough, San Bruno, So San Francisco, Newark, Campbell, Berkley, El Cerrito, Tracy, Pacifica, California.




Fast Response - Same day Service
   Local Air Conditioning Service 24/7
(925) 479-0574     (510) 494-1110      (408) 992-0305      (650) 578-0104
Insured and Bonded
California contractor's license # 861542
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