• In 2013 Bartley Energy retrofitted the condenser water (CW) system of the Keola La’i Condominium
• 1. Project Turnkey price $161,761 (2013 dollars)
• 2. Accrued electricity savings, first 17 months $171,263 (2013-14 dollars)
• 3. Simple payback under 17 months.
• The major work included:
• 1. New PLC-based controls, sensors, RTDs, flow sensor, float switch, etc – complete new control system.
• 2. Three new VFDs in ventilated & filtered stainless steel cabinets for the CTW pumps
• 3. New ventilated & filtered cabinet for the three existing cooling tower fan VFDs
• 4. New ventilated & filtered cabinets for the three existing CW pump VFDs
• 5. Stainless steel discharge stack extensions for the three cooling towers.
• 6. Wiring, electrical contractor