Q. After living in this 80 year old house for 15 years and suffering through 15 hot and steamy summers, we've decided that this is the year we're going to get air conditioning. Our problem is the ...

Gravity furnaces are those huge 'octopus' furnaces that can just about fill up a whole room with ductwork. They are called gravity furnaces because it's gravity that distributes warm air – the warm ...

Last week I began a reply to J. McC.’s questions about replacing his 1920s gravity warm air furnace (the “octopus”) with a new forced-air furnace. He was also concerned about how to find a ...

Two weeks ago, I began a reply to J. McC’s questions about replacing his 1920s gravity warm air furnace (the “octopus”) with a new forced air furnace. He was also concerned about how to find a ...