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Phone Number 443-926-9135


Standard TECs

Thermoelectric Cooling
Titan TECs

Mini peltier TECs for micro cooling
Mini TECs

Rectangular TECs
Multistage TECs
Power Generation
Thermoelectric Cooling
Custom TECs
Air to air conditioners and air to plate coolers
Thermoelectric Cooling

all copper water block waterblock for rapid heat removal and keeping peltier devices cool
Water Blocks

heat sinks aluminum extruded and bonded fin
Heat Sinks
image of all aluminum cold plate with thermocouple hole
Cold Plates
image of LED booster DC to DC converter circuit
Boost Converters
image of multimeter
Meters & Testing
Thermoelectric Cooling
Thermoelectric Cooling
Power Supplies
Thermoelectric Cooling
Replacement TECs

Custom Thermoelectric makes thermoelectric cooling devices (TEC's, TE coolers, or Peltier modules) for on-device temperature control such as cooling, heating, and heat pumping, and also Thermoelectric Power Generation.


We also offer many unusual sizes and custom configurations that you will not find anywhere else. If you can't find it, call us. Many Custom TECs can be made in as little as two weeks or less, often with no minimum order and no tooling charges.

All of our Standard TECs, Seebeck Power Generators, Power Supplies, and Accessories are In Stock and ready to ship!

We utilize 100% part inspection (no sampling) and testing to ensure a high quality product that will last the life of your equipment.

Feel free to call us at 443-926-9135 for application assistance or engineering help in your thermoelectric application.


Peltier Peltier
Peltier Be sure to look at the Technical Information pages for lots of useful tips, equations, material properties, Peltier Thermoelectric TEC selection, design tools, and other information to make your Peltier application easier.


June 27, 2014

Introducing 3 New TEGs !

We have in stock 3 new TEGs with much higer voltage output. Please see 1991G-7L31-12CQ, 2411G-7L31-10CX1 and 2411G-7L31-15CX1

15 April 2013 :::

We have updated our Heat Transfer Equations page. There are more informative graphics and Excel calculators to make your life easier!

2 Jan. 2013 :::

Happy New Year!

17 July. 2012 :::

New DC-DC boost conversion circuit

We have a new DC-DC Converter Circuit. This tiny circuit will take voltage as low as 0.5 volts and step it up/down to a jumper selectable voltage of 1.8, 3.3, and 5.0 volts; 5 volts being ideal for powering USB applications.

29 Dec. 2011 :::

New DC-DC boost conversion circuit

We have 3 new Boost Converter Circuits. These tiny but amazing circuits will take voltage as low as 80 millivolts and boost it up to usable voltages for powering your applications.

5 Apr. 2011 :::

New 1.25" all copper CNC milled water block Nickel plated

We have a new Water Block. A 1.25x1.25" all copper & nickel plated. Our lowest cost water block to date.








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