We have set our Thermador jobs side by side in pairs: two cooktops that kept clicking, two refrigerators that stopped cooling, two more with a different kind of fault, two ovens. In each pair the symptom looks alike, and the outcome doesn’t. The towns run from Agua Dulce to Temple City and from Malibu to Van Nuys. Prices are the customer’s whole bill to the nearest $5, diagnostic included. Where a visit ended at the estimate, we say so.
1Burners that keep clicking after they light
Repaired
April 2026 · Van Nuys · Thermador SGN36GS gas cooktop with centre griddle · about $595
A spark module and new burner fittings on an older SGN36GS
The burners lit, then went on clicking. Our technician’s note explains the usual reason: a weak or failed spark module, or ignition parts that don’t sense the flame, leave the spark circuit switched on.
We got into the burner and ignition assembly, cutting the venturi where needed to reach it, replaced a venturi tube, a jet holder and its nut, and fitted a new spark module. Then every burner was tested: it had to light, hold a steady flame and stop sparking once lit. Booked April 20, finished April 24.
The SGN36GS on April 20: four sealed burners around the griddle cover, locking pliers on the right-front burner.April 24: the label of a Defendi RI 302 four-point re-igniter with flame rectification.A burner jet holder with its brass orifice, held in a work glove.
Ended at the diagnostic
July 2026 · La Cañada Flintridge · Thermador SGS365FS 36-inch star-burner cooktop · quote about $1,665, not taken
One knob stuck on, and corrosion that made the job bigger
One burner valve stayed in the ON position, so the igniter clicked without stopping. Under the caps the burners and venturis were corroded, and the spark switch was failing.
Our estimate covered a new spark switch, a venturi service kit, new burner holders and their mounting nuts. Because of the corrosion, the venturis would have had to be cut out to remove the old parts safely and fit the new ones. The estimate was declined; the diagnostic visit is all that got billed.
Caps lifted off: rust at the centre of two star-shaped burner bases.The SGS365FS: five star burners under cast-iron grates, July 8.
What separated them: both jobs called for venturi cutting, but the scope differed. Van Nuys needed a spark module, a venturi tube and a jet holder; the La Cañada estimate listed a spark switch, a full venturi kit and new burner holders, and came to nearly three times the Van Nuys bill. Corrosion can also end the conversation. In Temple City in August 2026, a six-burner Thermador gas stove with a missing knob had only two burners working. The technician’s note reads, in full, “Burners corrosion not repairable.” Nothing was replaced; the bill was the diagnostic alone.
2Stopped cooling: a dead compressor, and one that wouldn’t start
Repaired
June – August 2026 · Temple City · Thermador built-in French-door refrigerator, two freezer drawers · about $3,105
Compressor and evaporator both replaced, two technicians, eight weeks
“Stopped cooling” was the call. The compressor had failed. Our write-up called for the full sealed-system job: a replacement compressor set and a new evaporator, recovery of the old refrigerant, a nitrogen purge, brazing, filter-drier service, evacuation and a fresh charge. The condenser coil, packed with dust on the first visit, was cleaned as part of it. A second technician worked the sealed-system part with ours.
It was booked June 15 and finished August 10; no other job on this page ran as long or cost as much.
August 10: top grille and side trim off, gauge hoses running into the top compartment, a step stool in front.June 16, first visit: dust caked across the condenser coil up top.
Repaired the same day
June 2026 · Arcadia · Thermador refrigerator, bottom freezer · about $830
After a power outage the compressor wouldn’t start
The power had gone out, and when it came back the bottom freezer wasn’t cooling. Our technician found the compressor was not starting at all, and pointed to the compressor inverter board, the electronics that drive it.
We replaced the inverter board. The write-up was honest about the risk before the work began: if the compressor still refused to start on a new board, the compressor itself had probably failed, and that would be a separate, larger repair. Booked that morning and closed that afternoon. No compressor job follows it in our records.
What separated them: whether the compressor itself was gone. In Temple City it was, and the fix meant opening the sealed system, a new compressor and evaporator, and about $3,105. In Arcadia we expected the compressor was not being driven, and replaced the inverter board first, for about $830. The Arcadia write-up, like the Studio City one further down, said up front that the cheaper first step might not be the last.
Thermador clicking, warm or switching itself off?
The visit is $85 and comes off the repair. No part is swapped until you have approved a written price.
3A refrigerator not doing its job: ice in one, dead electronics in the other
Repaired
October 2026 · Agua Dulce · Thermador built-in French-door refrigerator, bottom freezer · about $765
Booked for a noise; the freezer was packed with frost
The owner reported a noise, and the display was asking for a new water filter. Inside the freezer, frost had built up thick above the drawer.
We defrosted the refrigerator by hand, cleaned the drain line, and replaced the parts on our list: a sensor, a thermal fuse, the defrost heater, an insulating part and an NTC sensor, plus a new UltraClarity water filter. Booked October 12, closed October 20. The notes don’t say which of those parts was behind the noise, so neither do we.
October 13: frost and ice packed in above the freezer drawer.The control screen showing “Replace water filter” with a Confirm button (a reflection in the screen was darkened).
Ended at the diagnostic
July 2026 · Malibu · Thermador refrigerator · quote about $2,060, not taken
A melted freezer, no light, and power arriving at the unit
The freezer had thawed and the light inside didn’t come on. We measured the supply and the refrigerator was getting the correct voltage. The control system simply wasn’t responding, so nothing that cools or lights the cabinet was being switched on.
Our recommendation was new main control board or boards and a new display module. The owner passed on it, and the $85 visit was the only charge.
What separated them: one refrigerator was failing to defrost, which is a run of fairly ordinary parts. The other had a control system that had stopped responding, and the quote to replace its electronics came to more than twice the Agua Dulce bill. Our Thermador refrigerator visits ended without a repair less often than refrigerator visits as a whole; the Malibu visit was one of those that did.
4Wall ovens: a discontinued part found, and a stepwise quote
Repaired, two tickets
December 2024 · La Cañada Flintridge · Thermador CM302US combination wall oven (microwave and oven) · $350 and about $820
A microwave door switch and fuse, then hinges Thermador has discontinued
Two problems on one unit, both closed on December 23, 2024. The microwave section wasn’t heating: a faulty door switch had taken a fuse with it. We replaced the door switch and the fused terminal, and the microwave worked again.
The microwave door hinges were bent. Thermador has discontinued them, but we tracked down a few from online sellers. Because so few are left, those sellers charge more, and the hinge ticket reflects that.
The CM302US built into white cabinets, two stacked doors (we darkened the upper glass to hide a reflection).Its model plate, read through a vent slot: Thermador Corporation, CM302US.
Ended at the diagnostic
July 2026 · Studio City · Thermador wall oven · quote about $1,395, not taken
Switching itself off: 240 volts at the oven, a faulty display module
The oven kept powering off on its own. We tested the incoming supply at 240 volts, as it should be, and found the display module, the console, faulty. The main control board might have been playing a part too.
The cheaper route came first in our quote: swap in a programmed display module and retest. Only if the fault came back would the main board follow, on a separate quote. The estimate included pulling the oven out of the wall and putting it back. The owner decided against it and paid the $85 diagnostic.
Three ovens, one visit. In Sherman Oaks in August 2026 we were booked for three Thermador ovens in one house, one of them a PRG366WH range. Two had failed bake igniters, which we replaced and tested; the third needed its temperature calibrated against a measured reading. Each oven after the first carries its own service fee. Everything was done the day it was booked, for about $1,730.
Thermador against all the work we do
Fridges and flames in equal measure, and slower to close.
Four ways our Thermador records stand apart from our other jobs. Blue is Thermador; grey is all our jobs.
What the call is about
Refrigerators44%
31%
Ovens, ranges, cooktops43%
12%
Thermador calls split almost evenly between cold and heat. Across all our work, cooking appliances are about one call in eight; for Thermador they are closer to one in two. Dishwashers are about 12% for Thermador, close to the 13% we see overall.
What the bill comes to
Median repair$725
$365
About double. Roughly 3 in 10 Thermador repairs went past $1,000; across everything we fix, about 1 in 25 does. By appliance, a Thermador refrigerator repair has a median near $860 (about $435 for refrigerators overall) and a Thermador oven, range or cooktop near $660 (about $410 overall).
How long until it’s finished
Same day1 in 4
44%
A week or more3 in 10
14%
From booking to the finished repair, our Thermador jobs have a median of four days; jobs overall, one. Most Thermador repairs on this page ran past their booking day; plan for that rather than a same-day fix.
How often a cooking call ends at the estimate
Thermador cooking38%
All cooking27%
Thermador ovens, ranges and cooktops more often stop at the diagnostic and estimate than cooking appliances in general. Big burner quotes like the La Cañada one are part of the reason. Thermador refrigerators go the other way: about 24% end without a repair, against 36% for refrigerators overall.
Taken from our completed jobs, test bookings left out. Bills count only finished repairs invoiced above $100, each rounded to the nearest $5; time is from the booking date to the completion date. A follow-up ticket on the same appliance counts as its own job.
A Google review from one of these jobs
From the owner of the CM302US.
“Quick easy diagnosis and repair on my oven. Highly recommend.”
Jesse H. · Google, 5 stars · Thermador combination wall oven, La Cañada Flintridge (job closed December 2024)
The terms
Before we open it up.
$85 to diagnose. Approve the work and that $85 counts toward it. Turn the estimate down and you pay for the diagnostic only, as the Studio City and Malibu owners did.
Price in writing first. Nothing is replaced until you have the written estimate.
Parts and warranty. Parts are OEM and carry a one-year warranty; labor carries 30 days. When a part was discontinued, as the CM302US hinges were, the write-up said where it came from and why it cost more.
Who we are. A&Y Appliances is an independent shop: BBB A+, California BEAR licence #49435, repairing since 2012 from Suite 248 at 201 N. Brand Blvd, Glendale.
What we take on. Repairs on household Thermador appliances; we don’t install new ones. We work on commercial laundry machines, but not on restaurant kitchen equipment.
When to call.(747) 207-2030. Lines are open 7 am–9:30 pm Monday to Friday, 8:30 am–9 pm Saturday and 10:30 am–7:30 pm Sunday. It helps to have the model off the rating plate before you call.
Describe the symptom and, if it’s handy, the model off the rating plate. From there we book the diagnostic, and the price reaches you in writing before anything is ordered.
