Skip to content
Sub-Zero Repair Weston Refrigeration service · MA (781) 604-1175

Manufacturer · Thermador

Thermador columns and built-ins

Thermador refrigeration sits on the BSH platform, which means the diagnostic route into it looks nothing like a Sub-Zero’s and the fault families are its own. Columns installed side by side add a second set of problems that have nothing to do with cooling.

Typical install
Paired columns
First check
Trim and alignment
Service call
$95, credited

Two columns joined is one installation, not two appliances

A refrigerator column and a freezer column butted together and joined with a trim kit behave as a single object. When the joint is out — because the floor is not level, because a panel is heavier than the hinge was set for, or because the kit was never fully tightened — the two doors stop sealing against each other along the shared edge.

What the owner sees is condensation down the seam, frost inside near the join, and a freezer running harder than it should. What it needs is a level, a shim and a hinge adjustment, and no part at all. It is the single most satisfying Thermador call there is, and the most frequently misdiagnosed.

Inside the column

Beyond alignment, the failures cluster in familiar places. Evaporator fans slow before they stop. Drain paths ice up at the trough and back the water into the compartment floor. The ice maker in a refrigerator column fails at the fill tube more often than at the module, because a tube that has frozen once will freeze again until the reason it froze is fixed.

Checked in this order on a column

  • Door and trim alignment, top to bottom, before anything is opened
  • Air path from the evaporator cover to the compartment vents
  • Drain trough and the heater loop where the model has one
  • Fill tube, inlet valve and water pressure at the appliance
  • Fault codes the appliance is already holding, read from its own interface

Where it overlaps with the rest of the kitchen

Thermador, Bosch and Gaggenau share a great deal underneath. That is useful: parts availability is generally good, and a fault pattern seen on one shows up on the others. It is also a trap, because the panels, hinges and trim differ, and a hinge from a sibling brand will mount and then hold the door a degree off.

Reviews

From column work

4.9out of 5from 1,509 reviews

  • 5 out of 5

    Door bins ran noticeably warmer than the middle shelves. Behind the rear panel the air duct had iced over from a small defrost fault. He cleared it and explained why the top of a cabinet suffers first.

    Sonia T. · Newton Lower Falls

  • 5 out of 5

    The display reset to factory default overnight and the whole collection swung with it. A loose ribbon connector sat behind the control head. He reseated and secured it, then watched it through two power cycles.

    Wendell I. · Weston

  • 5 out of 5

    The maker in the column stopped right after we changed the filter ourselves. The housing was not seated, so the flow switch never saw pressure. Ten minutes to sort, and he did not make me feel silly about it.

    Fiona G. · Needham

Booking

Book a look at the column

Model and serial from the plate inside the fresh-food door, and when it started. That is usually enough for a straight answer on the phone.

Flat $95 service call · 8:00 am – 8:00 pm, seven days · line answered 24/7

(781) 604-1175 8:00 am – 8:00 pm, seven days Book