My freezer is still cold but the fridge side is warm. Is that a sealed-system problem?

Usually not. When the freezer holds and only the fresh-food side warms up, the most common cause is a stalled evaporator fan or a defrost issue choking off airflow. A sealed-system leak normally warms both compartments because the whole charge drops. We pull the back panel to check the fan and the coil first, since that is the cheaper repair, and only move to a pressure test if the system checks out mechanically.

Is it worth fixing a built-in that needs a new compressor?

Often yes, because a KitchenAid built-in costs several thousand to replace and is integrated into your cabinetry. If the rest of the unit is sound and the cabinet is in good shape, a compressor repair with our 2-year sealed-system warranty makes sense. If the unit is old and already has other failing parts, we will tell you straight that replacement is the smarter money. We give you the honest math before you spend anything.

How long after the repair until the refrigerator is cold again?

For a fan, thermistor, or board it comes back to temp within a few hours of the repair. Sealed-system work takes longer because after we recharge we let it run and verify it pulls down to spec before we leave, which can mean a couple of hours on site plus a follow-up check. We do not call a job done until the box is holding the right temperature in both compartments. You will not be left guessing whether it took.

KITCHENAID BUILT-IN REFRIGERATOR · HILLSBOROUGH

KitchenAid built-in refrigerator not cooling in Hillsborough? We fix it.

KitchenAid built-in columns and 42-inch French-doors share a parts platform with Whirlpool and JennAir, so the failure patterns are predictable once you have run enough of them. A KitchenAid built-in that stops cooling is almost always one of five things, and we carry the parts for most of them on the truck.

$75 diagnostic (waived with repair)
Same-day best effort
CSLB #1136642

Call (925) 999-4095

Why this happens

What we look for first.

Evaporator fan motor stalled. On KitchenAid built-ins the evaporator fan lives behind the rear freezer panel and pulls cold air across the coil into the fresh-food side. When the fan motor seizes or the bearing dries out, the freezer holds temp but the fridge section creeps up to 50 plus. You will often hear a faint ticking or grinding from the back before it quits. We pull the panel, test the motor for continuity and the correct DC drive voltage off the board, and swap the fan if it is dead.
Sealed system refrigerant leak. The sealed system on these is the compressor, condenser, evaporator and the capillary lines that tie them together. A slow leak at a joint or in the evaporator drops the charge until the box cannot pull temp anywhere. The tell is a compressor that runs nonstop with frost on only part of the evaporator and a warm condenser. We confirm with a pressure test and an electronic leak detector before we open anything, then repair the joint, pull a vacuum, and recharge by weight.
Failed compressor. If the compressor windings short or the internal valves wear out, the unit runs but moves no refrigerant, so nothing gets cold. You will hear it hum and click as the overload trips, or hear nothing at all if it is open. We check the start relay and overload first, then test the windings against spec. On a built-in a compressor is a serious job, and we will tell you straight whether the unit is worth it before quoting.
Defrost heater or terminator failure. These units run an automatic defrost cycle with a heater and a bimetal defrost thermostat on the evaporator. When the heater opens or the thermostat fails, frost packs solid over the coil and chokes off airflow. The freezer hangs on a while, then the fridge warms up and you may see ice building on the back panel. We thaw the coil, test the heater and terminator for continuity, and replace the failed part so the cycle clears itself.
Main control board fault. The main control board runs the compressor relay, the fans and the defrost timing. When a relay welds or the board loses its defrost logic, you get a unit that either never runs the compressor or never defrosts. Symptoms wander, which is what points us at the board. We confirm by checking for correct output voltages at the connectors before condemning it, because a good board gets blamed for a bad sensor more often than people think.
Thermistor sending false readings. KitchenAid built-ins use thermistors in the fresh-food and freezer compartments to tell the board what temperature it is seeing. A thermistor that drifts out of range reports the box as cold when it is warm, so the board never calls for cooling. The fridge sits warm with the compressor idle and no fault noise at all. We read the sensor resistance against the temperature chart and replace any that are out of spec. This is one of the cheaper fixes and worth ruling in early.

How we diagnose and fix it

The walk-in workflow.

01
Check actual box temps in both compartments against the setpoint and listen for whether the compressor and fans are running.
02
Pull the rear freezer panel, inspect the evaporator coil for frost packing, and verify the evaporator fan spins.
03
Read the thermistors against the resistance chart and confirm the control board is calling for cooling.
04
If the system is running but not cooling, pressure-test the sealed system and check the condenser temperature for a leak or dead compressor.
05
Confirm the failed part with a meter, then quote the repair in writing before any work starts.

Serving Hillsborough

Hillsborough: response and coverage.

Hillsborough sits on the Peninsula. We work it on planned Peninsula days. Same-week scheduling for premium built-in service.

Neighborhoods we cover regularly in Hillsborough: North Hillsborough, Tobin Clark, Lower Hillsborough. Beyond those, our service area in Hillsborough covers the city limits.

Hillsborough kitchens lean heavily on Sub-Zero columns, Wolf or Thermador ranges, and Miele or Bosch dishwashers. Mid-century and tudor remodels mean a steady stream of 12 to 25 year-old built-ins on the call list.

Pricing and warranty

What it costs. What we stand behind.

$75

Diagnostic visit. Waived when you book the repair with us.
Typical

Evaporator fan, thermistor, or defrost heater and terminator repairs typically run $300 to $650 with parts and labor. A main control board lands around $500 to $850 depending on the model. Sealed-system work, a refrigerant leak repair and recharge or a compressor replacement, is the bigger job and runs from roughly $900 into the four figures on a built-in. We quote in writing first so there are no surprises.
Warranty

On sealed-system repairs, the leak repair, recharge, or compressor work, we back the job with a 2-year parts-and-labor warranty. That covers the parts we replace and the labor to install them. It does not cover the rest of the refrigerator and it does not cover components that were already in the unit. Nobody else in the market backs sealed-system work 2 years. Most other mechanical parts carry 1 year, and you get everything in writing before we start.

FAQ

KitchenAid KitchenAid built-in in Hillsborough questions.

My freezer is still cold but the fridge side is warm. Is that a sealed-system problem?

Usually not. When the freezer holds and only the fresh-food side warms up, the most common cause is a stalled evaporator fan or a defrost issue choking off airflow. A sealed-system leak normally warms both compartments because the whole charge drops. We pull the back panel to check the fan and the coil first, since that is the cheaper repair, and only move to a pressure test if the system checks out mechanically.
Is it worth fixing a built-in that needs a new compressor?

Often yes, because a KitchenAid built-in costs several thousand to replace and is integrated into your cabinetry. If the rest of the unit is sound and the cabinet is in good shape, a compressor repair with our 2-year sealed-system warranty makes sense. If the unit is old and already has other failing parts, we will tell you straight that replacement is the smarter money. We give you the honest math before you spend anything.
How long after the repair until the refrigerator is cold again?

For a fan, thermistor, or board it comes back to temp within a few hours of the repair. Sealed-system work takes longer because after we recharge we let it run and verify it pulls down to spec before we leave, which can mean a couple of hours on site plus a follow-up check. We do not call a job done until the box is holding the right temperature in both compartments. You will not be left guessing whether it took.

Nearby cities

KitchenAid kitchenaid built-in not cooling near Hillsborough.

Also in Hillsborough

Other repairs we do in Hillsborough.

Ready to book the Hillsborough call?

Tell us the model and the symptom. We will quote it.

Call (925) 999-4095