In late 2019, Innovas Technologies and Duke University entered a partnership to install the Helios Tube Cleaning System on several chillers distributed throughout 3 different CCWP plants. The project involved 17 chillers providing 56,000 tons of district cooling for the Duke facilities infrastructure.

District level utility systems serve the more than 18M square feet and include 11 central cooling plants, 6.27 miles of utility tunnels, and 220 miles of underground distribution lines. Centralized cooling plants serve 10M square feet from more than 45,000 tons of cooling capacity comprised of 39 chillers.

As is frequently the case, a single Helios-equipped chiller would be compared with an identical “control” chiller operating operating without a tube cleaning system. Both chillers had to be in close-proximity and under the same environmental factors, to enable the best-possible measurement & verification (M&V) protocols.