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LG™ LFX31945ST Refrigerator


LG LFX31945ST French Door Refrigerator, 36in, 31.0 Cu.Ft, with Smart Cooling Plus System, Super Capacity, Smart Diagnosis, Linear Compressor and ENERGY STAR Rated

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Stainless Steel DISCONTINUED

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  • Description
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LG LFX31945ST French door refrigerator - Our Review

The 36-inch LG LFX31945ST French door refrigerator offers 31.0 cubic-foot capacity, so you can easily store large amounts of groceries. This refrigerator features KitchenAid's Smart Cooling Plus System to keep the temperature and humidity at optimal levels. Its Multi-Air Flow with Fresh Air Filter and dual evaporators eliminate odors them both compartment, preventing ice cream and smelling like fish. For diagnostic convenience, this refrigerator features Smart Diagnosis.

The modern, stainless steel French door design of the design of the LG LFX31945ST perfectly accents any contemporary style kitchen. Its hidden hinges, contoured doors, and flush to cabinet counter depth design creates a beautiful seamless appearance.

The refrigerator offers 20.5 cubic-foot storage capacity cavity. LG designed the interior to maximize food storage with flexible, easy to organize shelves and bins. For your convenience, the LG LFX31945ST is equipped with four split cantilevered spill protector tempered glass shelves, 3 of which are fixed and one folding shelf. Plus, produce is better preserved in the 2 humidity-controlled crisper drawers.

To provide you the most storage capacity possible, LG designed the LFX31945ST refrigerator with the Slim SpacePlus Ice System. The Slim SpacePlus Ice System moves the ice maker from the top shelf of the refrigerator to the refrigerator door, keeping the top-shelf space open for groceries.

The freezer of the LG LFX31945ST provides 10.0 cubic-foot easy to organize storage capacity. LG equipped this freezer with the 3-Tier Organization Freezer System. This freezer organization system consists of three DuraBase solid tiling drawers, with drawer divider. Thanks to the 3-Tier Organization Freezer System, you can easily organize and prioritize your frozen foods.

This refrigerator maintains optional humidity and temperature levels with LG's Smart Cooling Plus System. While the humidity and temperature levels are monitors with Smart Cooling Plus System's ten temperature sensors, the Fresh Air Filter and Multi-Air Flow with dual evaporators keeps food fresher while preventing the transfer of odors between compartments.

LG designed this refrigeration unit with a linear compressor, providing LoDecibel operation. The linear compressor motor uses fewer moving parts, allowing it to run more efficiently, and reduce noise. With fewer moving parts, there is less noise produced by belts, and noisy gears. This durable motor operates so well, that LG confidently backs the motor with a 10-year warranty.

To provide you with easy to use, control of the refrigerator and freezer, the LG LFX31945ST is designed with SmoothTouch Control with white LED display. The electronic control panel quickly responds to a light touch, and immediately communicates temperature changes to the compressor.
Enhancing the refrigerator even more, is the LFX31945ST handles self-diagnostics with easy. Thanks to the LG's Smart Diagnosis, this self-diagnosing technology can communicate with LG customer service 24 hours a day, seven days a week.

The LG LFX31945ST French door refrigerator is the ideal appliance for plenty of food storage with optimized food preservation. This sleek LG fits beautifully into just about any contemporary style kitchen, while it goes above and beyond to keep your food perfectly preserved.


  • Super-Capacity (31 cubic feet)
  • Slim SpacePlus Ice System
  • Door-in-Door Easy Access
  • 10 Year Manufacturer's Limited Warranty on Linear Compressor
Door Type French 3-Door
Total Capacity 30.5 cu. ft.
Size (W x H x D) 35 3/4" 70 1/4" 36 1/4"
Refrigerator 20.5 cu. ft.
Freezer 10.0 cu. ft.
Total 30.5 cu. ft.
Door-in-Door™ Yes
Energy Rating ENERGY STAR®/CEE Tier 1
Sustainability Standard Certified (CSA) Yes
Ice & Water Dispenser Yes
Dispenser Type Integrated Tall Dispenser
Ice System Slim SpacePlus™
Daily Ice Production 3.5 lbs/3.8 IcePlus
Ice Storage Capacity 3.2 lbs
Water Filtration System Compact Filter LT700P
Smart Cooling Plus System Yes
Multi-Air Flow Cooling Yes
Temperature Sensors 10
Linear Compressor Yes
Fresh Air Filter Yes
Dual Evaporator Yes
Display Type SmoothTouch™ Control/White LED
Temperature Controls Electronic/Digital
Door Alarm Yes
Child Lock Yes
LoDecibel™ Operation Yes
SmartDiagnosis™ Yes
Auto Closing Door Hinge Yes
Freezer Door Type Pull Drawer
Smart Cooling Plus Yes
No. of Shelves 4 Split
Folding Shelf 1
Cantilevered Shelves Yes
Shelf Construction Spill Protector™ Tempered Glass
Crisper Bins 2 Humidity Crispers / 1 Bonus Drawer
Glide N' Serve™ Drawer Yes
Refrigerator Light Ceiling and Side LED
No. of Shelves/Bin 6 (2 Adjustable Gallon Size)
Door-In-Door Yes
Door Bin Construction Clear Bins with Deco
Door Type Pull Drawer
Drawers 3
DuraBase™ Solid Drawer Base Yes
Drawer Divider Yes
Ice Bin Yes
Freezer Light Premium LED
No. of Door Bins/Construction Tilting Drawer / Plastic
Contour Door Yes
Hidden Hinges Yes
Surface Stainless Steel
Back Flush & Metal Cover Over Mechanical Parts
Available Colors Stainless Steel (ST)
Handles Matching Commercial Handles
Depth with Handles 36 1/4"
Depth without Handles 33 3/4"
Depth without Door 29 1/2"
Depth (Total with Door Open) 48 1/8"
Height to Top of Case 68 7/8"
Height to Top of Door Hinge 70 1/4"
Width 35 3/4"
Width (Door Open 90° with Handle) 45"
Width (Door Open 90° without Handle) 40"
Door Edge Clearance with Handle 4 7/8"
Door Edge Clearance without Handle 2 1/8"
Installation Clearance Sides 1/8", Top 1", Back 1"
Weight (Unit/Carton) 340 lbs. / 380 lbs.
Carton Dimensions (WxHxD) 38" x 73" x 39"
Limited Warranty 1 Year Parts and Labor, 7 Years on the Sealed System, 10 Years on Linear Compressor
UPC 048231784511

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