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A/C& Heating Repair

One Stop Comfort Center is committed to providing the most honest, reliable, and affordable residential & commercial air conditioning and heating repair, installation & maintenance in San Diego County, including the city of San Diego, North, South and East SD county.

Engineer Examining Air Conditioner

We take a conservative approach to all repairs; you will be informed on the condition of your A/C & Heating systems and given opinions regarding repair or replacement options. We will not sell you any product we would not have in our own home. Our technicians have been trained to treat customers like they would treat a dear friend or relative.

Our price structure is the same, regardless of how expensive your neighborhood is. Owners Mrs. & Mr. Ng, are available to talk to any customer, at almost any time, by telephone, email or appointment.

Our services include:

  • Repair / Service Central Air Conditioning & Heating systems for residential 

  • Service / Repair Ductless Mini-Split Systems, A/C only or Heat Pump

  • Annual or Regular Preventative Maintenance for all new and old units

  • Thermostat replacement and repair

  • Weekdays and weekend emergency service

  • Maintenance Agreements with rental properties


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