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Thermoelectric Peltier Refrigeration Cooling System DIY Kit With TEC-12706 Peltier

Thermoelectric Peltier Refrigeration Cooling System DIY Kit With TEC-12706 Peltier

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  • The DIY kit is a semiconductor cooling kit which uses a TEC1-12706 Thermoelectric Cooler Peltier Module.
  • Using GL style of the refrigerator, effectively release the thermal deformation ability of the refrigerator produce at work.
  • Small volume, does not occupy space, installation is simple.
  • This semiconductor cooler is a form of solid-state cooling that incorporates both semiconductor technologies and electronic assembly techniques.
  • It can be used as a Pet Air Conditioner (chicken, little dog, etc.), portable refrigerators and for medical instruments..

Thermoelectric Peltier Refrigeration Cooling System DIY Kit With TEC-12706 Peltier 

Semiconductor coolers are a form of solid-state cooling that incorporates both semiconductor technologies and electronic assembly techniques. The thermoelectric Peltier refrigeration cooling system DIY kit is one such example.

The DIY kit is a semiconductor cooling kit that uses a TEC1-12706 Thermoelectric Cooler Peltier Module. The kit has 2 heat sinks, the bigger one is for the hotter side and the smaller one is for the cooler side. The bigger the heat sink, the greater dissipation of the heat.

The fan, also included in this kit acts as a radiator. This is attached to the bigger heat sink. The TEC1-12706 thermoelectric Peltier module is sandwiched between the two heat sinks. The module will reduce the temperature.

Note: This is an unassembled kit. 

How To Assemble The Thermoelectric Peltier Refrigeration Cooling System DIY Kit:

  • First, take the large heatsink and the cotton washer (which will hold the Peltier in place), remove the cotton washer’s sticker and place it on top of the large heat sink, making sure to align it.
  • Apply thermal grease or heatsink compound before installing the TEC1-12706 Peltier module (the heatsink compound/thermal grease increases the heat transfer rate).
  • Then, firmly press the TEC1-12706 Peltier module against the heatsink (Remember the cold side of the Peltier module is always the surface with letterings)
  • Apply the heatsink compound/thermal grease above the TEC1-12706 Peltier module and place the small heatsink on top of it and attach the screws
  • Place the brushless dc fan on top of the large heat sink, align it properly, and screw it in place. Next, attach the safety grill to the brushless dc fan and then screw it in place.

Read our blog Peltier module working principle where we explained what is a Peltier Cooler, how it works, things to keep in mind while using a Peltier, and applications of Peltier.


  • Pet Air Conditioner.
  • Portable refrigerators.
  • Medical instruments.

Package includes:

  • 1 x Cooling fan
  • 1 x Fan gauze
  • 1 x Guide cold plate
  • 1 x Radiator
  • 1 x Thermal insulation gasket
  • 1 x Semiconductor refrigeration piece
  • 1 x Silicon grease
  • 6 x Screws


Voltage 12 - 15 VDC
Operating Current  6A
Material Metal and plastic
Dimensions in mm (LxWxH) 220 x 140 x 40
Weight (gm) 390

Shipping & Returns

  • All orders confirmed before 3 pm IST are shipped on the
    same day, barring rare pickup delays on holidays or disturbances
  • Delivery time in Metro cities is 1-3 days, Others it is
    3-7 days. It varies based on location, reliant on courier services
  • Return window: 7 days from receipt unless stated
    otherwise. No refunds/replacements after
  • Returns only for non-working/damaged products are accepted
  • Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
  • Refunds are processed within 3-4 working days post inspection and approval.

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1. What is TEC1 12706? What does TEC mean?

  • Peltier Element TEC1-12706 is thermoelectric cooling element that uses the Peltier effect to create a heat flux at the junction of two different types of materials. TEC stands for Thermoelectric coolers

2. How does a Peltier module work?

  • Thermoelectric coolers operate according to the Peltier effect. The effect creates a temperature difference by transferring heat between two electrical junctions. A voltage is applied across joined conductors to create an electric current. When the current flows through the junctions of the two conductors, heat is removed at one junction and cooling occurs. Heat is deposited at the other junction.

3. How do I choose the correct peltier for my application?

  • Estimate heat load of the object to be cooled
  • Define temperature working range of object and heat sink
  • Choose a Peltier element that satisfies the requirements
  • Choose a TEC controller with suitable power range
  • Choose a heat sink for the Peltier element
  • Choose a fan to air the heat sink (optional)
  • Choose the object temperature sensor and the optional sink sensor
  • Choose a power supply for the TEC controller