A new sound appears alongside a cooling change
For a Sub-Zero refrigerator making an unfamiliar sound in Stoneham, describe when you hear it and what changed in food storage. A brief recording can help distinguish a constant hum, intermittent rattle or other noise without you having to locate its source.
Mention whether opening a particular door changes the sound, based on normal use. Leave covers in place. A noise should be considered with cooling performance and the installed model; it cannot establish that the compressor or fan needs replacement by itself.
Confirming the service location
Stoneham is east of Burlington and is treated as an outer service area. Call with the exact location and requested appliance work. Parking or shared-entry details are useful once coverage and an appointment window are discussed.