It creeps in silently and is everywhere at once. It is totally invisible to the naked eye, but often carries potentially dangerous materials. It can cause sickness and discomfort without ever being detected. What on earth could it be? …
Q Our building (which is comprised of 17 one-bedroom units) is heated by a hot water gas boiler with baseboard radiators. The radiators are NOT individually controlled. The building is about 30 years old, and the boiler will soon need …
With the rise of environmentalism and recycling, and the renewed emphasis on energy efficiency since the 1970s energy crisis, has come the idea of the “green building,” which are buildings that actively conserve energy. The idea first …