As an owner of an older home I find the evolution of central heating to be fascinating. I highly recommend this book: http://www.amazon.com/The-Lost-Art-Steam

As an owner of an older home I find the evolution of central heating to be fascinating. I highly recommend this book: http://www.amazon.com/The-Lost-Art-Steam-Heating/dp/0974396095 http://www.amazon.com/The-Lost-Art-Steam-Heating/dp/09743960...