Custom Thermoelectric - Peltier


Custom Thermoelectric manufactures products for Cooling, Heating, and Power Generation based on solid state semiconductor materials. We also manufacture a full line of accessory products to enable customers to build complete thermal control systems that suit their unique requirements.


COVID-19 Update

Custom Thermoelectric has drastically reduced staff effective today, March 23, at 5:00 p.m. to minimize COVID-19 exposure and in response to the Maryland Governor’s request.

Online Store orders may continue to be placed and will be shipped as usual. 

Please direct all contact through email at

The health and safety of our customers and employees is our number one priority. Thank you for your patience and understanding. We hope that you and your families are safe and well during this time.

Our Products

  • Thermoelectric Coolers (TECs)
  • Thermoelectric Generators (TEGs)
  • Thermoelectric Assemblies
  • Water Blocks
  • Electronics
  • Thermal Interface Materials
  • Accessories
  • Thermal Reference Sources