Specialist Repair
Sub-Zero Freezer Frost Forming on Door Gasket Area — Local Repair Near You
Your Sub-Zero Freezer is frost forming on door gasket area? Local technicians fix it fast — usually same day.
MA Licensed & InsuredSame-day available90-day parts warrantyAll Greater Boston home types served
(617) 812-1425Mon–Sat 7am–8pm · Sun 9am–5pm
Schedule Your Repair
1st Appointment
$15 OFF
off repair cost
Return Customer
$20 OFF
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Veteran & Military
$20 OFF
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Senior (65+)
$20 OFF
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(617) 812-142550,000+
Repairs Done
90-Day
Parts Warranty
Same Day
Availability
Brands We Service
Certified Boston Repair Experts
Built for Greater Boston — Homes, Condos & More
ProFix Appliance Repair Boston provides local repair near you for Sub-Zero Freezer appliances that are frost forming on door gasket area. Frost or ice is visible on or around the door gasket, indicating a seal problem. Our neighborhood technicians are factory-trained on Sub-Zero equipment and carry genuine OEM parts for a same-visit fix.
Colonial & Ranch
Greater Boston's most common homes — we service full-size appliances in Middlesex, Essex & Norfolk County MA.
Condo / Townhouse
HOA-approved. Insurance certificates & board documentation on request.
Same-Day Service
Call before noon for today's slot across all Greater Boston zip codes.
All Major Brands
Samsung, LG, Sub-Zero, Miele, Viking & 40+ more.
Upfront Pricing
Flat-rate quotes before work starts — no surprise charges.
90-Day Warranty
Parts & labor guaranteed. We return at no charge if needed.
MA Licensed & Insured
State-licensed, fully bonded & insured
HOA & Board Ready
Insurance certificates on request
Flexible Scheduling
Mon–Sat 7am–8pm · Sun 9am–5pm
Upfront Fixed Pricing
No hidden fees — price locked before we start
How It Works
01
Book Online or Call
Schedule in 2 min or call (617) 812-1425
02
Tech Arrives
Usually same day in a 2-hr window
03
Diagnose & Quote
Upfront price — no work without approval
04
Fix & Test
Repair done, tested before we leave
Related Services
Not Freezing
Excessive Frost Buildup
Strange Noise
Water Leaking from Freezer
Door Seal Issue
Temperature Not Consistent
Not Cold Enough — Above 0°F
Defrost System Failure
Condenser Coils Dirty
Compressor Failure
Evaporator Fan Failure
Door Gasket Failure
Running Constantly
Freezer Burn on Food
Temperature Fluctuating
Temperature Alarm Sounding
Ice Buildup on Walls
Chest Freezer Not Cooling
Upright Freezer Temperature Issues
Unusual Noise from Freezer
Door Seal / Gasket Not Sealing
Commercial Freezer Not Holding Temperature
Freezer Door Hard to Open After Closing
Freezer Has No Power
Over-Temperature Alarm
Auto-Defrost System Failure
Ice Cream Always Soft
Freezer Door Not Staying Closed
Unable to Prevent Freezer Burn
Gurgling or Bubbling Sounds
In-Door Ice Maker Not Working
Frost-Free Feature Not Functioning
Chest Freezer Lid Latch Broken
Drain Tube Clogged with Ice
Compressor Cycling Rapidly
Condenser Fan Motor Failure
Refrigerant Leak
Compressor Start Relay Failed
Excessive Humidity Inside Freezer
Chest Freezer Not Cooling Properly
Upright Freezer Door Seal Problem
Garage Freezer Not Cooling in Greater Boston Summer
Ice Building Up Around Door Frame
Power Fluctuation Damage to Control Board
Ice Tray Rack Frozen to Shelf
Freezer Overpacked — Poor Air Circulation
Freezer Interior Light Not Working
Temperature Display Reading Incorrectly
Freezer Has Bad Odor
Power Cord Damaged on Freezer
Frost Forming Despite Defrost System Working
Freezer Tripping GFCI Outlet
Frozen Vegetables Thawing Partially
Large Ice Crystals on Food Packaging
Available Now · Greater Boston, MA
Ready to schedule your repair?
ProFix Appliance Repair Boston — trusted by thousands of Greater Boston homeowners. Same-day slots available.
Why Is Your Sub-Zero Freezer Frost Forming on Door Gasket Area?
Frost or ice is visible on or around the door gasket, indicating a seal problem.
Common Causes
- 1Door gasket worn and not sealing — warm Greater Boston air entering and freezing on contact with cold frame
- 2Gasket deformed in certain spots causing localized gaps
- 3Door hinge causing door to not hang plumb against gasket
- 4Gasket not pressed into channel properly
- 5High Greater Boston humidity creating frost at even minor gasket gaps
How We Fix It
Our technician will replace the door gasket and check hinge alignment to eliminate the cold air leakage point.
- Diagnostic included when we do the repair
- Genuine Sub-Zero OEM parts
- 90-day parts & 30-day labor warranty
Other Sub-Zero Freezer Issues
Not FreezingExcessive Frost BuildupStrange NoiseWater Leaking from FreezerDoor Seal IssueTemperature Not ConsistentNot Cold Enough — Above 0°FDefrost System FailureCondenser Coils DirtyCompressor FailureEvaporator Fan FailureDoor Gasket FailureRunning ConstantlyFreezer Burn on FoodTemperature FluctuatingTemperature Alarm SoundingIce Buildup on WallsChest Freezer Not CoolingUpright Freezer Temperature IssuesUnusual Noise from FreezerDoor Seal / Gasket Not SealingCommercial Freezer Not Holding TemperatureFreezer Door Hard to Open After ClosingFreezer Has No PowerOver-Temperature AlarmAuto-Defrost System FailureIce Cream Always SoftFreezer Door Not Staying ClosedUnable to Prevent Freezer BurnGurgling or Bubbling SoundsIn-Door Ice Maker Not WorkingFrost-Free Feature Not FunctioningChest Freezer Lid Latch BrokenDrain Tube Clogged with IceCompressor Cycling RapidlyCondenser Fan Motor FailureRefrigerant LeakCompressor Start Relay FailedExcessive Humidity Inside FreezerChest Freezer Not Cooling ProperlyUpright Freezer Door Seal ProblemGarage Freezer Not Cooling in Greater Boston SummerIce Building Up Around Door FramePower Fluctuation Damage to Control BoardIce Tray Rack Frozen to ShelfFreezer Overpacked — Poor Air CirculationFreezer Interior Light Not WorkingTemperature Display Reading IncorrectlyFreezer Has Bad OdorPower Cord Damaged on FreezerFrost Forming Despite Defrost System WorkingFreezer Tripping GFCI OutletFrozen Vegetables Thawing PartiallyLarge Ice Crystals on Food Packaging
Still have questions?
Our Boston team is ready — same-day service across Middlesex, Essex & Norfolk Counties.