Can I fit a new gasket myself?

You can, and it is the repair that most often fails to hold. A new seal takes the shape of the door it is fitted to, so a door that has dropped or a panel that has shifted will distort the replacement within months. Squaring the door is the half of the job that lasts.

What does a gasket and alignment job cost?

The seal band runs $230–$610. That covers the part and the time to hang the door properly, rather than pressing a new gasket into the channel and leaving. It is the cheapest fault on a built-in and the one that quietly makes every other symptom worse.

Does a door that is not sealing really cause other faults?

Yes, which is why doors get checked on every call whatever the reported symptom. A continuous trickle of humid Florida air hands the defrost system a load it was never designed for, warms the bin until cubes fuse into a slab, and keeps the compartment recovering all day.

Sub-Zero refrigeration

Sub-Zero door seals, hinges and the weight of a cabinet-shop panel

A door that is not sealing makes every other symptom worse and costs a fraction of what the symptoms get blamed on.

A door that has stopped pulling flush over its last inch is an adjustment, not a repair.

Of the four things that reliably kill built-in refrigeration in Clay County, the door is the cheapest to fix and the one people put off longest. It rarely presents as a door problem. It presents as frost, or a warm compartment, or an electricity bill that has crept up, and the door only comes up when a technician puts a piece of paper against the seal.

What a failed seal actually costs you

A gasket that no longer seals does not let a lot of air in at once. It lets a little in continuously. In a Florida kitchen that air is warm and carrying a great deal of moisture, so the cabinet is being asked to remove heat and water around the clock, on top of its actual job.

The consequences follow in order. The compressor runs longer. The evaporator frosts faster than the defrost schedule expects. The defrost cycle runs more often, which warms the compartment more often, which is how you end up with a slab of ice in a bin that used to hold loose cubes. Humidity in the fresh-food side goes up and produce goes off early. Meanwhile the household concludes the ice maker has failed and the refrigerator is on its way out.

Replacing a gasket is not glamorous work. It is, quite often, the whole repair.

Gasket, hinge, panel, or level

These get conflated, and they are four separate faults.

The gasket is the part that hardens, cracks or takes a permanent set. Sub-Zero door seals are magnetic; a gasket can look perfectly intact and still have lost enough of its pull to leave a gap you cannot see. The paper test around the whole perimeter is quick and tells you where the gap is, which matters, because a leak at the hinge side means something different from a leak at the handle side.

The hinge carries a door that is heavier than it looks — more so on integrated units where a solid custom panel and its hardware are hanging off the same mechanism. Wear here shows up as a door that drops slightly, so the seal is good at the top and open at the bottom. Adjusting a hinge and re-hanging the door is often what is needed, not a new seal.

The panel. In Orange Park’s newer kitchens, and in nearly every remodel we see in Eagle Harbor and Oakleaf, the refrigeration is panel-ready with cabinetry to match. Those panels are made by the cabinet shop, not the appliance maker, and their weight and mounting vary. A panel that is heavier than the door was set up for will pull the alignment out within a couple of years.

Level. A built-in that has shifted, or that sits on flooring installed after it, may no longer be plumb. Doors on these units rely on being hung true to swing closed the last inch on their own. If the cabinet is out, no gasket will fix it.

The retrofit problem in older Orange Park houses

The older streets near the river have kitchens that predate built-in refrigeration by decades. When a column or a built-in goes into an opening that was cut to fit rather than designed to fit, tolerances get tight. We find units with insufficient clearance at the hinge side, doors that foul cabinet trim on their swing, and openings that are out of square by enough to matter. None of that is the appliance’s fault, and none of it is fixed by parts. It is fixed by adjustment, and occasionally by a frank conversation with a cabinet maker.

The visit

Flat diagnostic fee, credited toward the repair. If the fix is an adjustment rather than a part, we will tell you that and you will pay less. Written estimate before anything is ordered, genuine OEM seals, 90 days on labour and 365 days on parts.

What people describe

The door does not pull itself shut over the last inch
Condensation or frost forms around the door opening
The gasket is cracked, flattened, or has taken a permanent set
A custom overlay panel sits lower on one side than the other
You can feel cold air escaping along one edge of the door
The unit runs far more than it used to with no other change

How the visit runs

Check closure with a slip of paper at several points around the seal
Assess whether the gasket has hardened, torn, or simply lost its magnetic set
Inspect hinge condition and adjustment before assuming the gasket is at fault
Check the weight and hang of custom overlay panels on integrated units
Look at shelf and bin loading, which can hold a door open a millimetre all day
Verify the cabinet itself is level, since a built-in out of level will not self-close

Typically 45–75 minutes for most gasket and alignment work.

Parts, access and what we will not take on

Parts are matched to the serial, not the model

Built-in refrigeration runs long production lives, and components are revised inside a model designation. That is why we take the model and serial from the plate inside the cabinet before anything is ordered: two units that look identical in a kitchen can take different boards, different gaskets and different fan assemblies. Genuine OEM parts only, so the part carries the manufacturer's own coverage rather than an aftermarket substitute.

What rides on the van, and what does not

Common wear items — seals, sensors, fans, drain components — are stocked, which is why a narrow scope produces single-visit repairs more often than a broad one does. Controls and sealed-system parts are ordered against your serial number and add days rather than hours. We tell you which of the two you are in at the first visit, not afterwards.

Access is part of the job

A built-in is framed into cabinetry. Working on one means grille clearance at the top, room at the hinge side, and sometimes drawing the unit out of its opening on its own rails — which is heavy work in a finished kitchen with a stone counter above it and hardwood below. If the fault is likely to need the unit out, we would rather plan the route with you than discover it on the day.

Where we stop

We work Sub-Zero built-in and integrated refrigeration and nothing else. Inside the kitchen the line is just as firm: no ovens, cooktops, ranges or ventilation hoods, no dishwashers, no laundry, and no refrigeration built by another manufacturer. If a fault turns out to be cabinetry, plumbing or house wiring, we say so and put it in writing rather than working outside our competence. Questions about a unit still inside the manufacturer's own coverage, a recall, or product registration belong with the manufacturer directly.

Refrigeration is not air conditioning

We are a kitchen refrigeration company, not a heating and cooling contractor. Furnaces, heat pumps, air handlers, central and mini-split air conditioning, thermostats and ductwork are a different trade under a different licence, and we do not work on any of them, quote for them, or subcontract them. EPA Section 608 is what federal law requires of anyone who opens a sealed system, a kitchen cabinet included. It is not a home-comfort licence and we do not present it as one. The two trades are cousins — a condenser in a kitchen and a condenser on a slab outside are doing the same physics — and that resemblance is exactly why it needs saying out loud. If the house is warm, the number you want is an air-conditioning contractor. If the cabinet in the kitchen is warm, that one is ours.

$80 flat diagnostic, credited toward the repair. Written estimate before any work starts. No parts ordered until you approve the figure.

Where we take this call

What it costs

What does a doors and gaskets repair cost?

The bands this fault lands in: $230 to $810, depending on which component it turns out to be.

$80 Flat $80 diagnostic covering the visit and the full diagnostic sequence, credited toward the repair once you approve the work.

Completed repairs, parts and labour together. A band is not a quote: the firm figure is written down after the diagnosis and before a part is ordered.
Repair	Typical range
Diagnostic visit	$80 flat, credited
Door gasket or seal replacement	$230–$610
Defrost heater, thermostat or sensor	$260–$630
Electronic control board	$430–$810

90 days on labour, 365 days on parts, genuine oem parts. The whole table is on what it costs.

Asked on the phone

What else comes up on a doors and gaskets call?

Can I fit a new gasket myself?: You can, and it is the repair that most often fails to hold. A new seal takes the shape of the door it is fitted to, so a door that has dropped or a panel that has shifted will distort the replacement within months. Squaring the door is the half of the job that lasts.
What does a gasket and alignment job cost?: The seal band runs $230–$610. That covers the part and the time to hang the door properly, rather than pressing a new gasket into the channel and leaving. It is the cheapest fault on a built-in and the one that quietly makes every other symptom worse.
Does a door that is not sealing really cause other faults?: Yes, which is why doors get checked on every call whatever the reported symptom. A continuous trickle of humid Florida air hands the defrost system a load it was never designed for, warms the bin until cubes fuse into a slab, and keeps the compartment recovering all day.

Customer reviews

Owners who called about this

Chosen for this page because they describe the same fault, and printed in full.

4.44.4 out of 5 across all 63 reviews published on this site

4 out of 5
Condensation was forming around the opening of our built-in. New gasket fitted and the hinge adjusted, and he pointed out that the panel had dropped a little on one side. Sensible work at a sensible price.
Drusilla O.February 2026
5 out of 5
The door had stopped pulling itself shut over the last inch. He replaced the seal and then spent as long again squaring the door, which he said is the half of the job that decides whether it lasts.
Montague I.March 2026
5 out of 5
A frost ring around the door opening turned out to be a gasket that had taken a permanent set. He was clear that this is the cheapest fault on a built-in and the one that makes every other symptom worse.
Evadne F.January 2026

All 63 of them, three-star entries included, are on what owners said after the visit.

Book a diagnostic visit

One flat fee to find out what is actually wrong, credited toward the repair. We cover Orange Park and the rest of Clay County within about 40 miles.

Call (904) 442-8210 Request a visit

Diagnostic: $80
Labour warranty: 90 days
Parts warranty: 365 days
Monday – Friday: 08:00 – 18:00
Saturday: 09:00 – 16:00

Written estimate before any work starts. No parts ordered until you approve the figure. Closed Sunday. Calls placed after hours are returned the next working morning.