Friendly. Knowledgeable. Helpful.

“Hope to do more business with you in the future. altE rocks! Best customer service anywhere!” – Joe Stratham, NH

877-878-4060

Offices ARE NOT accepting walk-ins.

Building Best Practices Series

U.S. Department of Energy handbooks for improving new home efficiency, comfort and durability in various climates zones.

Developed by the U.S. Department of Energy, Building America’s system design recommendations and process improvements can help all builders interested in re-engineering their home designs to achieve high performance. This best practices handbook helps homeowners and builders develop durable, comfortable homes with high levels of efficiency for different climates. Each handbook contains chapters for every member of the builder’s team — from managers to site planners to designers, site supervisors, the trades, and marketers. There is also a chapter to help homeowners select the best systems for their new home. Choose the handbook that best fits your climate type:

Independent of climate, don’t forget to check out Volume 6: Solar Thermal & Photovoltaic Systems (PDF, 10 MB).

877-878-4060