On 5/8/2018 6:06 PM, Jimmy Wilkinson Knife wrote:


I find it amusing the way yanks say "furnace" instead of boiler.* A
furnace is a huge commercial device, like the things for burning refuse.


Rule of thumb:
Furnaces heat air
Boilers heat water

Many houses do have hot air furnaces for heat.

Wiki talks about Brit use of the term
https://en.wikipedia.org/wiki/Furnace