Indfoss Refrigeration Service Inc.

Commercial HVAC

Rooftop units and chillers, repaired and kept running.

Repair, scheduled service, retrofits and replacement for the systems that heat and cool your building. Factory-trained on Trane, Carrier, York and Lennox.

  • 24/7 emergency dispatch
  • CSLB #1069989
  • Licensed & insured
  • San Jose, CA
Technician checking gauges on a rooftop HVAC unit

Call us when you see any of these.

Most of them get worse and more expensive within days.

  • No cooling or heating from a unit that’s running
  • Unit short-cycles: starts, stops, starts again
  • Ice on the coil or lines
  • Water on the roof deck or ceiling tiles under the unit
  • Breaker trips when the unit starts
  • Rooms that won’t hold temperature on a hot afternoon
  • Energy bill jumped with no change in use
  • Noise, vibration or a burning smell at the unit

What we work on.

  • Packaged rooftop HVAC unit on a commercial roof

    Rooftop units (RTUs)

    Repair, refrigerant leaks and recharge, condenser and evaporator service, economizers, controls, scheduled inspection, full replacement and retrofit.

  • Row of rooftop condensers and chiller equipment

    Chillers

    Diagnostics, repair and scheduled service for air-cooled and water-cooled commercial chillers.

Three ways we work.

  • Emergency repair

    Down now. Call, get a price on the line, get a tech. After-hours rates confirmed before dispatch.

  • Scheduled service

    Not urgent. Send a request and we’ll call to book a visit during office hours.

  • Replacement & retrofit

    End of life. We spec the unit, source it, install it and register the warranty. Quote in writing first.

What happens when you call.

  1. Call.

    One number, any hour. Tell us what’s down, where it is and what it’s doing.

  2. Dispatch.

    We send a factory-trained tech to your site with the diagnosis started on the phone.

  3. Quote.

    You get the cause and the price before any work begins. No surprises on the invoice.

  4. Fix.

    We repair it, test it under load and log the visit for your maintenance record.

Factory-trained on:

  • Trane
  • Carrier
  • York
  • Lennox
All brands

HVAC questions

Do you work on the HVAC in a leased building?

Yes. We’ll work with you or the property manager — tell us who approves the quote.

Can you replace a rooftop unit, not just repair it?

Yes. We spec, source and install replacement RTUs and chillers and give you a written quote before anything is ordered.

Do you offer maintenance on HVAC only?

Yes. Plans can cover HVAC, refrigeration or both. See Maintenance Plans.

24/7 emergency dispatch

Something down right now? Call.

One number, any hour. You’ll get a tech, not a call center.

For non-urgent repairs, maintenance and replacements.

Call now · 24/7 · (650) 701-4555