Guide describing the use of recirculation pumps to speed the flow of hot water to faucets for reduced wait times and savings in energy and water usage.
Guide describing how to design HVAC systems to be located within the conditioned space of the home, either in a utility closet or in an air sealed conditioned attic, basement, or crawl space.
This guide describes procedures for assessing feasibility of solar resources, and designating location of propolsed PV arrays and solar thermal panels.
This information guide describes the need to install a solar bypass valve on the existing hot water tank for a future solar hot water system installation.