Image of an air conditioning outdoor unit installation in California by Air & Plumbing Inc.

AC Installation & Repairs in San Mateo County, CA

  • Installation
  • Repair 
  • Service

At Air & Plumbing Systems Inc, we offer expert advice and guidance to help you select the best AC installation for your home or business::

  • Ductless Mini Split Heat Pumps
    Efficient Heating & Cooling: Stay cozy in winter and cool in summer.
    Energy Savings: Cut costs with advanced technology.
    Compact Design: Perfect for smaller homes or targeted zones.
  • Central AC & Split Units:
    Efficient Cooling: Keep your home comfortable year-round
    Energy Savings: Lower energy bills with optimal performance
    Space-Saving Design: Fits seamlessly into any home
  • Wall & Window Units:
    Affordable: Budget-friendly installation options
    Easy Setup: Quick and simple installation
    Consistent Comfort: Reliable performance

Let’s Find Your Perfect Air Conditioning Fit in California

Take the first step toward enhanced comfort and energy savings today. Our team is here to help you choose the best air conditioning system for your home, including central AC units, ductless mini splits, and trusted brands. Whether you need a new AC installation, an aircon unit upgrade, or a complete air conditioning system setup, we’ve got you covered.



FAQs

Yes — we install and repair central AC, ductless mini splits, and window/wall units throughout San Mateo County, from the coastal towns to the inland communities that tend to run warmer. Call (408) 733-2000 to schedule a free on-site assessment.

It can. Homes closer to the coast usually deal with milder, foggier summers and often get by with a smaller, more efficient system, while properties further inland see hotter, drier conditions that call for more cooling capacity. We calculate the right size for your specific address rather than assuming one setup works countywide.

The main factors are system type, home size, and whether existing ductwork can be reused as-is. Rather than throw out a broad estimate, we come out for a free assessment and hand you a written, itemized quote so there’s no guesswork before the work begins.

Most central AC swaps wrap up in 4–8 hours, and a single-zone mini split is often done in half a day, so cooling is usually back the same day. If new ductwork needs to go in, plan on 2–3 days instead. We’ll confirm the exact timeline at your free assessment.

Often, yes — same-day repair visits are usually available across San Mateo County if you call earlier in the day. Slots fill up quickly once temperatures spike, so it’s worth reaching out as soon as you notice a problem. Call (408) 733-2000 and we’ll confirm the soonest opening.

Yes — Air & Plumbing Systems holds California HVAC License #901246 and brings over 25 years of experience to jobs across San Mateo County and the wider Bay Area. All work is fully insured and backed by a workmanship warranty.

For all your heating and cooling needs, our team is standing by

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