1/2 HP Glycol Chiller

(3 customer reviews)


FREE SHIPPING (Continental 48 States)

Current Lead Time: 5-7 business days

1/2HP Glycol Bath Chiller
2,850 BTU @ 28F
1 year warranty
Proudly Built in USA

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Item Description

Our Glycol chiller allows users to achieve lower temperatures than our standard line of chillers.  Our triple helix copper coil allows us to keep the setup small yet powerful.  The glycol chiller is suitable for applications down to about 5F depending on the heat load.  This makes it ideal for the brewing market, along with many other low temperature applications.  The built in controller maintains the temperature of the glycol at the set point.  It can be used as a typical laboratory bath chiller or by using a submersible pump, chilled glycol can be pumped out to equipment requiring cooling.  There are 4 inlet and 4 outlet 3/8″ tubing fittings in the lid of the reservoir along with an addition hole to run the power cord for a pump through.  The insulated reservoir holds 2 gallons of glycol.

Depending on application (desired operating temp/freeze point) you can use any combination of water/glycol you prefer.  It’s typical for brewing applications to use about 40-50% glycol to water.  On our testing down to -14F we used a 50/50 mix without any freezing issues.


For brewing applications:

The chiller can be used on up to 4 fermenters at the same time.

Intended for maintaining fermentation temps/crash cooling.  Not recommended for dropping wort from boiling temps.  It is common practice to either use a 2 stage system where the chiller pre-cools tap water that then cools the boiling wort, or tap water is used first to drop the temps down to about 100F, then switch over to using the chiller.

It is typical to use one pump per fermenter or vessel you wish to cool.  In this type of setup each pump requires an individual controller to turn each pump on/off independently. The controller on the Glycol Chiller will regulate the temperature of the glycol (for example 28F), the controllers on the pumps would regulate the temperature of each vessel independently by regulating the flow of 28F glycol to that vessel.


Cooling provided at various temperatures:

  • 3580 BTU @ 38F
  • 2850 BTU @ 28F
  • 1110 BTU @ 5F
  • 0 BTU @ -14F

*Although the unit will reach below our recommended minimum of 5F, it only does so under minimal heat loads. This is why we have a recommended minimum of 5F.


Sizing a Glycol Chiller for Brewing:

These suggestions assume a decently insulated vessel (neoprene jacket or better) in a modest ambient temperature of 80F. If your setup is uninsulated, or running in hotter ambient conditions you’ll need to allow for more BTU/hr. The cold crash is figured for about 18hrs, if you want a faster crash you’ll need to add more BTU/hr. When in doubt, use the suggestions for a vessel 1-2 sizes bigger than your actual size.



Fermentation Temps


During Cold Crash


Maintain Cold Temps


7 gal

60 BTU/hr

300 BTU/hr

120 BTU/hr

14 gal

90 BTU/hr

600 BTU/hr

180 BTU/hr


150 BTU/hr

1000 BTU/hr

300 BTU/hr


300 BTU/hr

2000 BTU/hr

600 BTU/hr


450 BTU/hr

3000 BTU/hr

900 BTU/hr


600 BTU/hr

4300 BTU/hr

1125 BTU/hr


850 BTU/hr

6000 BTU/hr

1600 BTU/hr

10 BBL

1100 BTU/hr

8650 BTU/hr

1900 BTU/hr


Additional information

Weight 60 lbs
Dimensions 23.25 × 16.25 × 13.25 in
Technical Specs

• 1/2 Horsepower
• 2 gallon reservoir
• Lowest recommended operation 5F (achieving these temperatures is highly dependent on application)
• 115V / 3.9A / 450W
• 6' power cord
• 54lbs
• 56 dBA (Quiet)
• 23.25"L x 16.25"W x13.25"H
• 1 year warranty
• Proudly Built in USA

Extended Warranty

No Thanks, 2yr Warranty (+$79.99), 3yr Warranty (+$149.99)

3 reviews for 1/2 HP Glycol Chiller

  1. Blake Pinkerton (verified owner)

    Purchased this chiller and I am extremely happy with it. Very well made, a quality machine! Chills my fermenters with no problems in my 80-90 degree garage. Was delivered with some damage, no fault of the packaging. Called and got a prompt response and was able to come to an agreement on a solution. Customer service was great!

  2. Jason Lachance (verified owner)

    This chiller is a great little workhorse. It has worked very well for our application, operating for weeks on end without issues. This chiller is a is a great value compared to higher end systems. Because of our unique application, I had a number of phone calls with Penguin Chillers who were always responsive and helpful to my questions. I would purchase again without hesitation.

  3. donald l bliss

    Using the chiller to cool fermenting beer. Has been problem free and set up was a snap. Very good value for the price.

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