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Integrated Technology Systems, Inc.
DDC Clearinghouse
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About The Company

DDC Clearinghouse, a division of ITS, provides facility owners a source to buy controllers for their existing Direct Digital Control based building automation and temperature control system, and provides companies and facility owners having obsolete and recovered controllers a service to sell them. DDC Clearinghouse is THE nationwide service to:

  • source the controller for your existing Direct Digital Control (DDC) system
  • secure a value for your inventory of obsolete and recovered DDC controllers


Email Sales@DDCClearinghouse.net to:

  • BUY: request a control module. State the manufacturer, model, revision, special features or options, and quantity needed.
  • SELL: register your module inventory. State the manufacturer, model, revision, special features or options, quantity, and condition (new, recovered, repaired, non-functional) of your module inventory.

An account representative will contact you to review details.


The mission of DDC Clearinghouse is to assist end-user owners in extending the life of the investment in their Direct Digital Control based temperature control and building automation system.

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