Thermoelectric Demo Box

Thermoelectric Demo Box:

Practical and fun, shows how thermoelectricity works in just a few seconds. Ideal for hobbyists, science instructors, and thermoelectric enthusiasts.


TECA offers a demonstration device which is fully assembled. It includes a switch to reverse polarity for heating or cooling, Thermoelectric Module, mounting base and 4-AA Batteries.

Price $69.95 plus shipping (USD). Visa/MC/American Express Accepted. U.S. shipments are sent UPS. Ask us about international shipping charges.

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To order, call toll-free 888-TECA-USA, fax 773-342-0191 or email

Fax orders must include your full shipping address including phone number, your credit card number and expiration date, and your name as it appears on the card.

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