When the U.S. economy took a downturn during the Great Recession, the refrain everyone heard again and again was "repair, don't replace." But, even as the economy has improved, some building owners and operators remain hesitant to make large capital expenditures to replace older chiller systems. In these cases, there are less expensive options available that can enable decision makers to achieve substantial efficiency upgrades by retrofitting their chillers."I'm hea [...]
