How to Build a Keg Cooler from a Small Fridge

Written by philip foster
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How to Build a Keg Cooler from a Small Fridge
Homemade keg fridge (beer kegs image by Martin Mullen from

Chilling a keg remains an important objective when attempting to serve customers or partygoers a cold beer. Often the methods of chilling a keg at a house party can fall short, leaving the beer lukewarm and creating unsatisfied party guests. While buying ice for every occasion might seem easy, constructing a keg cooler from an old refrigerator can save money in the long run. Preconstructed keg coolers can more than £65. Homemade keg coolers incur little cost on the builder and remain an effective way to chill a keg.

Skill level:

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Things you need

  • Tape measure
  • Electric drill
  • Circular 1-inch drill bit
  • Rubber insulation
  • Duct tape
  • Mini fridge
  • Magic marker

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  1. 1

    Purchase an empty keg shell. Measure the length and width of the empty keg shell with the tape measure. Write down the measurements. Purchase a small refrigerator with the cooling unit on the back. Ensure the mini fridge has large enough dimensions to house the keg.

  2. 2

    Remove the freezer tray and shelving units from the newly purchased mini fridge. Place the empty keg inside the stripped-down fridge. Close the door to ensure it fits. Remove the empty keg.

  3. 3

    Make a circular mark on the top of the fridge where the tap of the keg would sit. Secure a large one-inch drill bit to the electric drill. Drill a circular hole to allow room for the tap of the keg. Drill one more circular hole two inches to the right of the first hole to accommodate the keg faucet.

  4. 4

    Make a trip to your local beer and wine store to have your keg filled with your favourite brew. Insert the tap onto the newly filled keg. Ensure it has been safely secured. Insert the tapped keg into the modified mini fridge with the tap coming through one of the holes. Pull the faucet of the keg through the adjacent hole.

  5. 5

    Place the rubber insulation in the holes surrounding the tap and faucet of the keg. Tape the insulation in place to lock in the cooling power of the mini fridge. Plug the mini fridge into an electrical socket. Allow the keg to chill at least one hour before serving the beer.

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