Not with a closed loop system. BaronVonZemo 64220 posts Joined: Nov 19, 2010 Posted 12:51 pm on Jul 27, 2026 (no message) Link: https://blog.vantage-dc.com/2026/04/22/cooling-without-the-drain-how-closed-loop-systems-cut-day-to-day-water-use/