The last step in the process to solicit at least 3 different quotes solar installation companies.
A good solar installation company will be able to install radiant barriers, solar attic fans, a solar thermal water heater and a solar photovoltaic (PV) array. An average household can usually afford a 4 kilowatt system. It is important to reduce your energy consumption as much as possible because solar is the most expensive part of the equation.
All solar installation companies will fill out the reservation forms, city permits and paperwork to get rebates from the local utility company and tax credits from the state and the federal government.