In answering the question of which trade contractor group is best-suited to install its solar-energy products, Michigan-based Uni-Solar turned to the obvious choice: roofers.
The use of insulating concrete forms in the above-grade residential market doubled from 1999 to 2001 as producers highlighted the superior energy-efficient properties of ICFs.
The top markets for residential photovoltaics aren't distinguished by the amount of sunlight that falls on them but rather the economic climate in the state.