Join date: Dec 11, 2020

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*Lifetime Member of ASES (American Solar Energy Society), * LifeTime Member of Colorado Renewable Energy Society, *Colorado Green Building Guild, * The USA S.W. Lead to: (Passive House USA building Code), * Volunteer to Colorado Solar Energy Storage Association, * Since 1999 =Coordinator member of ASES National Denver Tour of Sustainable Homes.

* 1981 Built my NREL (SERI) designed Passive Solar Heated Home Fossil-fuel-FREE! Every home built since 1981 should have been this good or better. I'm always open for tours.

My Mobile: 425-495-5990



My YouTube home Tour:

My YouTube Education:

John E Avenson Westminster CO

John E Avenson Westminster CO

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