Pinball and Vern,
I take it the newer Enphase 250 is better than the older 215 model. It appears that the 250 model offers free monitoring and no ground electrode conductor (GEC) must save $ as well.
However, without the GEC, is it more susceptible to lightening?
Steve
__________________
consulting on geothermal heating/cooling & rational energy use since 1990
|