1/2 HP Glycol Chiller

(4 customer reviews)


FREE SHIPPING (Continental 48 States)

Current Lead Time: 2-3 Business Days

  • 2,850 BTU/Hr @ 28°F
  • 1 Year Product Warranty
  • Proudly made in the USA
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1/2 HP Glycol Chiller
  • 2 Gallon Reservoir
  • 2,850 BTU/hr @ 28°F
  • 56 dBA
  • 6′ Power Cord
  • 110 – 120 Volts / 3.9 Amps / 450 Watts
  • 16.25″W x 23.25″D  x13.25″H
  • 54 pounds
  • 1 Year Product Warranty
  • Proudly made in the USA

Our Standard line of Glycol Chillers are suitable for applications down to around 5° Fahrenheit depending on the heat load. The built-in controller maintains the glycol mixtures temperature at its set point. This makes it ideal for the brewing market, along with many other low temperature applications. By adding a submersible pump, the chilled glycol mixture can then be pumped out to equipment requiring cooling. There are 4 inlets and 4 outlets 3/8″ tubing fittings in the lid of the reservoir along with an additional opening to run the power cord for a pump through. The insulated reservoir holds 2 gallons of glycol. Our standard line of chillers can also be used as a bath type chiller as well.

It’s our recommendation to use a 35% – 40% glycol to water mix due to the ease of calculating the mix ratio and the buffer it provides. Depending upon the application (desired operating temp/freeze point) you can use any combination of water to glycol mix ratio that you prefer however, it’s a standard practice for brewing applications to use a 35% to 40% mix ratio. During testing we used a 50% glycol to 50% water mix ratio to temperatures as low as negative -14° Fahrenheit without any freezing issues.

  • Mixing Example: 1 Gallon of Glycol + 1.75 Gallon of Water = 36.3% Glycol Mix.
  • 1.75 Gallons of liquid also equals 7 quarts or 14 Pints or 28 Cups of liquid.

While our chillers are perfect for maintaining fermentation temperatures/crash cooling, it’s not recommended to use them for dropping wort from boiling temperatures. It is a common practice to use either a 2-stage system where the chiller pre-cools the water which then cools the boiling wort or you can use water to drop the temperatures down to about 100° Fahrenheit, then switch over to using the chiller. NOTE: the glycol mixture returning to the chiller should never be allowed to reach more than 100° Fahrenheit.

It is a typical scenario to use one pump per fermenter or vessel that you wish to cool. In this type of setup, each pump used will require its own individual controller allowing for the pump to be turned on and off independently of other pumps. The controller on the Chiller itself will regulate the glycol temperature within the chillers reservoir (for example say 28° Fahrenheit). The controller attached to the pump will monitor the temperature of your vessel/fermenter and regulate the flow of the cooled glycol to the vessel to chill to your desired temperature. Our chillers can be customized to meet your load needs.

Penguin Chillers is an American owned and operated company and we manufacture all of our chillers in Knoxville, TN. By purchasing your chiller directly from us we can continue offering you quality service throughout the life of your unit. Our chillers are used in a wide variety of applications. If you need liquid of any sort cooled, we’re here to help. Contact us at Support@PenguinChillers.com.

Chiller Specs



BTU/hr @ 28°F




1/3 HP

1.25 Gallon

2,200 BTU/hr @ 28°F

110 – 120V / 3.9A / 450W / Single

18″W x 16″D x 13.25″H

48 lbs

1/2 HP

2 Gallon

2,850 BTU/hr @ 28°F

110 – 120V / 3.9A / 450W / Single

16.25″W x 23.25″D x13.25″H

54 lbs

1 HP

3 Gallon

5,250 BTU/hr @ 28°F

110 – 120V / 7.2A / 830W / Single

19″W x 28″D x 17″H

95 lbs

Sizing a Glycol Chiller for Brewing: These suggestions assume a decently insulated vessel (neoprene jacket or better) in a modest ambient temperature of 80° Fahrenheit. If your setup is un-insulated or running in hotter ambient conditions, you’ll need to allow for more BTU per hour. The cold crash is figured for about 18 hours. If you want a faster crash you’ll need to add more BTU’s per hour. When in doubt, use the suggestions for a vessel that is one to two sizes larger than your actual size.


Fermentation: ~65°F

Cold Crash:  from ~65°F down to ~35°F

Maintaining Cold: ~35°F

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

1,000 BTU/hr

300 BTU/hr


300 BTU/hr

2,000 BTU/hr

600 BTU/hr


450 BTU/hr

3,000 BTU/hr

900 BTU/hr


600 BTU/hr

4,300 BTU/hr

1,125 BTU/hr


850 BTU/hr

6,000 BTU/hr

1,600 BTU/hr

10 BBL

1,100 BTU/hr

8,650 BTU/hr

1,900 BTU/hr

Applications currently using a Penguin Chiller include, but not limited to:

Marine & Reef Tanks – Distilling – Drag Racing – Bait Tanks – Brewing – Lobster Tanks – Wineries – Hydroponics – Cold Therapy – Aquaponics – Lasers – Research Science – Electroplating – Computers – Printing Presses – Injection Molding – Milk/Butter/Candy/Pasta/Food Production – Extractions – Craft Soda – Hyperbaric Chambers – Waste Water Treatment – Welding – 3d Printing


4 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.

  4. Cozmo (verified owner)

    I love my chiller. I subtracted one star because the reservoir is too small to fit 4 pumps in there (unless they’re all the tiny ones sold here). I have a soft cooling jacket that required a different pump that was much larger and it barely fits in there and I only have 3 pumps (the other 2 are the small ones sold here and by spikes). It is also kinda awkward to have to connect everything to the lid. You have to get the hose lengths just right so the lid will close. I can get my conical with cooling coil quite cold very quickly and I have been glad I made this purchase every minute I’ve used it so far.

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