What was their previous heating source? Calculate the BTU's consumed from that source and convert that to kWh. If it was resistance electric previously look at the winter increase from the summer baseline on the old utility bills. Todd On Saturday, August 27, 2011 6:05am, "Jesse Dahl" <dahlso...@gmail.com> said:
> Wrenches, > > I am working with a family that wants to install a grid tied system that will > offset, as close as possible, 100% of it's electrical usage. We have > calculated > for almost all the loads except the electric boiler. > > Problem, they don't know which boiler they will be using. The home will be > 1800sq > ft, it will have the in floor heat between the floor joists and the joists > will > then be insulated with foil-faced insulation. > > Has anyone calculated a boiler like this out for annual electrical usage? > > > Thanks as always, > > > Jesse > > Sent from my iPad!!! > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > Sent from Finest Planet WebMail.
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