About
The fan cycling and damper cycling controls described here were
developed in the early 1990’s and have been adopted by many national
homebuilders and high-performance home programs across North America.
The related patents, owned by the University of Central Florida, are: US
5,547,017; 5,881,806; 6,431,268; CA 2,245,135. ABT Systems, LLC
(717.867.0123) is the exclusive licensee with the right to sublicense. |