Every retailer assigns its own internal SKU to the same physical refrigerator. Amazon calls a Samsung 4-Door Flex an ASIN like B0CM5R97SV. Best Buy gives it a SKU like 6520283. Home Depot uses a different number entirely. Without a canonical anchor, you can't reliably aggregate review counts or recall notices for the same physical product across stores.

The FIN is that anchor. It lets Fridge.com link the same physical model across every retailer that sells it, so when you look at a refrigerator's page, you see the full picture: the lowest current price across all retailers, real customer reviews from every store that sells it, any active CPSC recall notices, and the manufacturer's spec sheets and owners manuals — all under one identifier.

The Fridge.com Part Number is the same idea for parts. Every door gasket, hinge, handle, shelf and temperature sensor carries one: the letters FPN, a hyphen, and seven digits — for example FPN-0000012. Like a FIN, it is assigned once and never changes or gets reused.

A part carries an FPN and never a FIN; an appliance carries a FIN and never an FPN. The two name different kinds of thing — a FIN anchors a whole refrigerator across every retailer that sells it, an FPN identifies one replacement part. Part pages show the FPN below the title, exactly where an appliance page shows its FIN.

Read the full FPN page → Browse the parts catalog →

The Fridge.com Filter Number identifies a filter. Water filters, air filters, inline filters and ice-machine filters each get one: the letters FFN, a hyphen, and seven digits — for example FFN-0000012. Assigned once, never changed, never reused.

A filter is not a part. They are bought for different reasons — a filter is a consumable you replace every few months, a part is a repair you make once — so each has its own identifier and its own home on the site. A filter carries an FFN and never an FPN. Read the full FFN page →

The four systems are always named in the same order — FIN, FPN, FFN, FIS — three permanent identifiers, then one score. The Fridge.com Intelligence Score is that score: a 0–100 rating of how well every U.S. state, city, and ZIP code supports efficient, affordable kitchen operation, built from electricity rates, climate, and local incentives.

Products never carry an FIS. An identifier names a thing forever; a score judges a place today — mixing the two is how ratings get mistaken for identity, so Fridge.com never does. Explore FIS rankings in the Local Fridge Finder, or read the full FIS page →