Your furnace's job is keeping you warm. Get to know the parts of a furnace so it will do that job better and last a lot longer.

CNET contributor Don Reisinger is a technology columnist who has covered everything from HDTVs to computers to Flowbee Haircut Systems. Besides his work with CNET, Don's work has been featured in a ...

Burgess suggests a good rule of thumb for preventative maintenance is to have your system cleaned and inspected twice a year ...