lsayre wrote:Full overhead sunlight yeilds1,000 Watt-Hours per meter squared. That is 3,412 BTUH per square meter. Or 2,853 BTUH per square yard.
Lightning wrote: I'm getting a solid 7-8 hours of full overhead sunshine on clear days to both the pool and solar panels.
Lightning wrote:It's ashame that solar heat can't be stored to use in the winter cause there is plenty of it.
McGiever wrote:I did build in some passive features when I built this home in 1978.
Originally heated with wood because youth and access to abundant supply clouded my wisdom.
Installed a 2 stage ground source heat pump in 1996...there's some stored sunshine for you.
Soon to complete a 30 panel PV solar array in backyard...excess production gets stored with batteries first and then to the utility grid. Plan is to keep batteries on float charge mainly and only use them during utility outages.