House with scarf

Noises you may hear when you turn on your furnace

A furnace is a piece of mechanical equipment – and as such, it has moving parts which make some noise when it’s in use. There are, however, differences between ‘good’ noises and ‘bad’ ones. The nice quiet hum of motors running smoothly and fans blowing, and air whooshing up through vents all count as ‘good’ or normal. However, there are …