Winterization is a secondary process that utilizes ethanol and cold temperatures to separate fats, waxes and lipids from extracted oils.  It is commonly used to manufacture oils used in vape pens, infused products that are sensitive to fats/waxes (i.e. drinks) as well as feeder oil for fractional distillation operations.

Ask about our in-house winterization classes. Free for existing customers!

Watch this video to see the winterization process in action!

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See Pricing Details!

Winterization Freezer - Economy

So-Low CH40-5

$2,195 (excludes shipping and tax, which will be added to your invoice – lift gate or forklift required)

The So-Low CH40-5 is used in the winterization process to speed up the coagulation of fats and waxes in the oil/ethanol mixture. Standard “home” freezers will not get cold enough to support the process without very long wait times.

  • Temperature Range – 0°C to -40°C
  • Capacity – 5 Cubic ft. / 142 Liters
  • Dimensions –
    Exterior w x d x h (inches): 28.5” x 22” x 39”
    Interior w x d x h (inches): 23” x 15” x 27.5”
  • Power – 115 Volt, 60 Hertz, 1 Phase
  • 1 year manufacturers warranty

Explosion proof options available! Contact us to find out more. More information on the CH40-5 can be found here: http://www.so-low.com/lab-chest-freezer/lab-chest-40-freezers/CH40-5-Expoxy-Storage-Freezer


Winterization Freezer - High Production

So-Low C85-5

$5,295 (excludes shipping and tax, which will be added to your invoice – lift gate or forklift required)

The So-Low C85-5 is used in the winterization process to speed up the coagulation of fats and waxes in the oil/ethanol mixture.   Temperatures lower than -40F will allow for faster coagulation of fats/waxes which speeds up the winterization process.

  • Temperature Range: -40°C to -85°C
  • Capacity – 5 Cubic ft. / 142 Liters
  • Dimensions –
    Exterior w x d x h (inches): 40.5″ x 32.5″ x 47″
    Interior w x d x h (inches): 30″ x 18″ x 16″
  • Power – 115 Volt, 60 Hertz, 1 Phase
  • 1 year manufacturers warranty

Explosion proof options available! Contact us to find out more. More information on the C85-5 can be found here: http://www.so-low.com/ultra-low-freezers/chest-85-freezers/C85-5-Chest-Freezers


Rotary Evaporator - Small

KNF Rotary Evaporator

$19,909.48 (excludes shipping and tax, which will be added to your invoice; does includes free on site training by KNF representative – lift gate or forklift required)

A rotary evaporator is used to remove the ethanol from the oil after the fats/waxes/lipid are separated in the vacuum filtration process.  Rotary evaporator requires 3 components – evaporator, vacuum pump and chiller.  This unit will recover approximately 1L of ethanol per hour.


Rotary Evaporator - Medium

HBX Green 5L Benchtop Package

$20,334 (excludes shipping and tax, which will be added to your invoice; does include free on site training by Heidolph representative)

A complete medium sized rotary evaporator package for recovering  approximately 3.5L of ethanol per hour.  Unit runs on 110V power.

More information on the Heidolph HBX Green package can be found here 


Rotary Evaporator - Large

HBX Hei-Vap 20 Liter System

$75,045 (excludes shipping and tax, which will be added to your invoice; does include free on site training by Heidolph representative – lift gate or forklift required)

A complete large sized rotary evaporator package for recovering  approximately 10-15L of ethanol per hour.  Unit runs on 240V power.

More information on the Heidolph HBX Green package can be found here


Buchner Funnel and Flask

Buchner Funnel and Receiver Flask

$400 (excludes shipping and tax, which will be added to your invoice)


Complete Winterization Station

Complete Winterization Station

$1,550 (excludes shipping and tax, which will be added to your invoice)

  • 4 Liter (4000ml) Receiving Flask. 40/35 neck size. 15” high
  • 1 Liter (1000ml) Top Funnel with 250 to 750 ml measure level callouts
  • 90mm Glass Support Base. 40/35 Neck Size. 3” dia built-in fritted glass filter. ¼” glass barbed vacuum connection
  • Aluminum clamp to secure fritted glass filter to receiving flask
  • Filter Paper Media, 90mm diameter: 200 each
    • SLOW – Grade 5 Filter Paper Discs. 5 Micron, 94 s/100ml/sq inch flow rate. Box of 100
    • FAST – Grade 1 Filter Paper Discs. 150s/100ml/sq inch flow rate. Box of 100
  • Filtration Vacuum Pump – Welch Model 2564B-01
  • Vacuum Rated Tubing – 10’ of 3/8″ID Braided PVC Hose
  • 2 Hose Clamps

Got questions?

Click on the map below to find out who handles your area and call them directly!
Canadian, East coast, Colorado and International customers, please call Dave LaRussa at 740-809-1160, Ext. 715 or email him!
Midwest, South, and West coast customers, please call Jake Didion 740 809-1160, Ext. 725 or email him!

East Coast/Canada/ Colorado/International:

Call 740-809-1160, Ext. 715 or email Dave LaRussa!

Midwest/South/West Coast:

Call 740-809-1160, Ext. 725 or email Jake Didion!