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ADRIUM Service Solutions
(925) 999-4095 · San Ramon, CA · CSLB #1136642 · BBB A+
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MITSUBISHI · EAST PALO ALTO

Mitsubishi factory-trained · Jun 2026

Mitsubishi Ductless Mini-Split & Heat Pump Repair · East Palo Alto, CA

Mitsubishi ductless repair in East Palo Alto, keeping single rooms and converted units comfortable across the city's dense rental blocks.

  • $99 diagnostic (credited toward the repair)
  • Same or next-day best effort
  • CSLB #1136642
Call (925) 999-4095

Mitsubishi in East Palo Alto

Mitsubishi in East Palo Alto kitchens.

East Palo Alto is a working-family city with a lot of dense rental housing, duplexes, and converted garage units packed onto smaller lots. Mitsubishi single-zone heads show up here most often in those converted units and in rooms added onto an existing house, where running new ductwork isn't practical.

Because a lot of these heads serve rental units, they tend to run harder and longer than a homeowner-occupied system, and regular filter cleaning is often the first thing to slip. That shows up as ice on the indoor coil or a unit that seems to be losing capacity for no clear reason.

I read the fault code and check the unit itself before I tell a landlord or tenant what's wrong. We're EPA 608 certified and carry CSLB #1136642. The diagnostic is $99 and is credited toward the repair, and every job gets a written quote first. We work seven days a week, and East Palo Alto gets the same coverage from our Peninsula-based technician as Menlo Park or Palo Alto next door.

Factory-trained on Mitsubishi

Inside Mitsubishi M- and P-Series service training.

A Mitsubishi City Multi copper refrigerant manifold, from our Advanced M- and P-Series factory service training.
Mitsubishi M- and P-Series service training in progress on a ceiling cassette at the Los Angeles factory training center
Hands-on M- and P-Series service training at the Mitsubishi Electric Los Angeles center, June 2026.

Common repairs we do

What we close on the truck.

  • Converted garage unit head won't heat. A single-zone head in a converted garage or in-law unit that blows cold air instead of heat is usually a stuck reversing valve or a defrost sensor fault, not a dead compressor. I check both before I quote a major part, since the valve or sensor repair is a lot less than a compressor swap.
  • Remote or receiver failure locks a tenant out of control. When a tenant reports the remote doesn't respond at all, the head is often fine and the receiver board inside it has failed. I test the head directly at the board rather than assuming the whole unit needs to come out.
  • Indoor coil icing up from restricted airflow. Units in East Palo Alto's rental stock often run near constantly, and if the filter or coil goes uncleaned for a stretch, restricted airflow lets the coil ice over. The head then seems to lose cooling entirely until that ice melts. I clean the coil and confirm airflow before assuming a refrigerant problem.

Models we service

Mitsubishi product lines.

  • Ductless mini-splits (M-Series)
  • Multi-zone systems (MXZ)
  • Hyper-Heat (H2i) heat pumps
  • Ceiling cassettes
  • Concealed-duct air handlers

Factory credentials

Manitowoc Certified · 2026/06/24

Factory-trained · Feb 2026

Manitowoc Ice and Koolaire Field Service Seminar. Issued 02/12/2026 by Pentair Water Solutions. Instructor: Jonathan A. Binley.

Pricing and warranty

What it costs. What we stand behind.

  • $99

    Diagnostic visit. Credited toward the repair.

  • Written

    3 months standard, 1 year on inverter boards, up to 2 years on sealed-system rebuilds. Quoted in writing before work starts.

  • CSLB

    #1136642. Bonded and insured. We file warranty paperwork when applicable.

Nearby cities

Mitsubishi service in neighboring cities.

FAQ

Mitsubishi in East Palo Alto questions, answered.

  • Do you actually come to East Palo Alto, or just Palo Alto and Menlo Park?
    We come to East Palo Alto. Our Peninsula-based technician covers it the same way as the cities around it, and we don't charge differently or schedule it as an afterthought.
  • My tenant says the remote for the ductless unit stopped working. Do we need a new unit?
    Not usually. That's most often a receiver board issue inside the head itself, which is a repair, not a replacement. I test the board directly before telling you it needs anything bigger.
  • The unit in our converted garage blows cold air even with the heat setting on. What's wrong?
    That's almost always a stuck reversing valve or a defrost sensor fault, not the compressor. I confirm which one it is before quoting a repair, since the two fixes are very different in scope.

Need Mitsubishi service in East Palo Alto?

Tell us what is broken. We will quote it.

Call (925) 999-4095

Manitowoc Ice and Koolaire Field Service Seminar

Issued 02/12/2026 by Manitowoc Ice (Pentair Water Solutions). Instructor: Jonathan A. Binley.

Certificate of Achievement for Manitowoc Ice and Koolaire Field Service Seminar, dated 02/12/2026, awarded to Andrew Kuznetsov.
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