Air-to-water

Heat recovery comes in two broad forms. Air-to-air exchangers move heat directly between two air streams. Air-to-water devices (like run-around coils or exhaust water heaters) transfer heat into a fluid loop that can serve distant or mixed loads. Side-by-Side Factor Air-to-Air Air-to-Water Streams Two air ducts Air + water/glycol loop Distance Short (cores co-located) Long […]