|*Quality and durability of the components.
*Acceptable for your roof load limitations.
*Approved heat exchangers.
*Wiring to code.
*Proper potable water supplies.
*Potential zoning issues addressed and met.
*Positioned for maximum solar efficiency.
*Selecting the appropriate solar energy
system design based on your site factors and heating needs of your house.
|*The array is mounted in a manner which allows air to circulate beneath the modules, since heat from the array must be able to dissipate or system efficiency will be degraded.
*Stand-offs properly flashed with ground wire visibility
*Wires installed across the face of the module and channeled to larger conductor.
*Grid-tie systems will have a
specially - marked electrical meter made to spin in reverse when the photovoltaic system is supplying more power than the home is using.