Sub Zero BI-48SD Side by Side Refrigerator & Freezer Price and Review

The Sub Zero BI-48SD is a 48″ width built-in, side by side combination of refrigerator and freezer with a retail price of $10,135 – $11,900.

This unit has a classic stainless steel finish, with a tubular and pro handles option. The overall dimensions of this combo refrigerator and freezer are 48″ width x 84″ height x 24″ depth. The door clearance of this type of refrigerator is standard 30″ with a flush inset of 30 1/2″. This model has several options for its dimensions. It can have an opening width of 47 1/2″ with a flush inset width of 50″; an opening height of 83 3/4″ with a flush inset height of 84″; or an opening depth of 24″ with a flush inset depth of 26 3/16″. There is also one more capability of an overlay finish of flush inset design .

You can see this big and impressive refrigerator-freezer in an elegant kitchen, right below:



  • Dual refrigeration system ensures the freshness of foods and electricity effectiveness.
  • Electronic microprocessor continuously keeps track of the whole unit to ensure proper food storage atmosphere.
  • Air refinement system lowers smells, micro-organisms, viruses and ethylene gas.
  • Informative freshness cards.
  • Microbiological water purification system filters micro-organisms, infections and debris, plus it is not fluoride.
  • Dispenser supplies cooled water and ice via the doorway.
  • Max ice feature increases production for a 24-hour duration.
  • Lit up touch control panel.
  • Bright interior lighting throughout, including storage drawer area.
  • Adjustable spill-proof glass racks, doorway racks and milk compartment.
  • Soft-close crisper and deli compartments develop a lower temperature area, which is excellent for fruits, vegetables and meats.
  • Easy-access flip-up grille.


  • Grilles for 83″ or 88″ finished height (84″ is standard).
  • Framed front panels in white and stainless steel.
  • Flush inset panels in stainless steel with tubular or pro handles.
  • Side panel in white and stainless steel.
  • Partial framed kit for stainless steel panels above and below dispenser.
  • Stainless steel kickplate.
  • Dozen egg container.
  • Replacement air purification cartridge and water filter.
  • 90° door stop.

Interior Features:


  • 18.7 cu ft Capacity
  • Air Purification System
  • 4 Adjustable Glass Shelves
  • 1 Stationary Glass Shelf
  • 1 High-Humidity Drawer with Divider
  • 2 Storage Drawers with Divider
  • 3 Adjustable Door Shelves
  • 2 Stationary Door Shelves
  • Adjustable Dairy Compartment


  • 9.6 cubic ft Capacity 
  • Water Filtration System
  • Automatic Ice Maker with Dispenser
  • 2 Adjustable Wire Shelves
  • 1 Stationary Solid Shelf
  • 3 Storage Drawers
  • 5 Adjustable Door Shelves


All in all Sub-Zero’s BI-48SD model has a very appealing design, and it offers optimal refrigeration, in addition to an ice and water dispenser via the refrigerator’s doorway. When you put together this brand’s refrigerator and freezer, with new air purification and water filtering systems, the freshness of your food will be guaranteed. Finally, flush inset and stainless steel layout alternatives are available.

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