Get current pricing for Joy Ecolaire, 20,000 Sq Ft Joy Eco 20,000 Sq. Ft. Joy Ecolaire Horizontal Admiralty Brass Shell & Tube Heat Exchanger / Condenser. (4,664) 3/4 Od X 18ga. X Approx. 22 Long Tubes B . Product Category: Process Equipment, Sub Category: Process Heat Exchangers: