[RE-wrenches] Electric boiler usage?

[toddcory at finestplanet.com]

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" <dahlsolar at 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!!!
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