By Bob Gershey This article represents two letters written by Mr. Robert M. Gershey to NSP Inc. about their Time-of-Use Rate and the corporation's response.
By Carolyn Green This greenhouse, completed in the spring of 1997 was built using all recycled glass. The glass, which otherwise would have been discarded, was obtained from a university residence and from a high-rise apartment, both being retrofitted with new windows.
By Robert Fraser
Three variations of a basic solar collector system are presented in this article. All incorporate heat absorbing commercial built 'Solfin Panels' from Thermo Dynamics Ltd., and all have insulated heat storage water tanks. The pros and cons of each configuration are described to help readers understand how different arrangements may affect performance.
