Pelican - Economizer and Demand Ventilation Controller - PEARLMake your heating, air conditioning, and ventilation even smarter. A working economizer saves an average of 42% of HVAC energy costs. The Pelican PEARL guarantees you achieve these savings. The PEARL provides you with virtual real time and historical knowledge about how and what your economizer is doing so you are always in control 2 Lbs Economizer & Ventilation Logic. The Pelican PEARL communicates with your Pelican thermostat to increase