EnerWorks. Designed for climates where temperatures remain above 27 degrees F, the Focus Pre-Heat Appliance pipes potable water through roof-, rack-, or wall-mounted collectors to the home’s storage tank. The system includes an Energy Station that automatically calculates the amount of heating oil, gas, or electricity saved as well as cost savings, and a wireless portable SolarView Monitor allows homeowners to track system performance. This system also can be configured to provide secondary applications such as pool heating and space heating. The product carries SRCC and IAPMO certifications. 877.268.6502. www.enerworks.com.