"EER Optimizer is a versatile diagnostic and control technology that measures the Energy Efficiency Ratio (EER) of operating direct expansion (DX) air-conditioner and heat pump systems, which provides a basis for optimizing equipment energy use by measuring real-time, insitu operational efficiency. EER Optimizer provides easy web access for monitoring & reporting of EER, IEER (Integrated EER), Tons Capacity and detects faults such as low refrigerant, stuck thermostatic expansion valve (TXV), restricted airflow, broken economizer and fouled coil, all viewable at EERoptimizer.com The portable version is web connected for remote technical assistance, storing readings on a cloud server for later retrieval and analysis, and to support evaluation of historical trends, reporting, and documentation. Three demonstration sites provided a full range of conditions for the EER Optimizer technology to evaluate the flexibility and efficacy needed for the widely varying climates of U.S. Department of Defense (DoD) installations. The demonstrations included onboard controls installed on operating package air conditioners at sites in South Carolina, Florida, and California, as well as use of handheld EER Optimizer technology to demonstrate effectiveness when used as an operations & maintenance (O&M) tool by HVAC technicians."
ESTCP Project EW-201338
Defense Technical Information Center (DTIC): http://www.dtic.mil/dtic/