annual furnace inspection: Are Furnace Inspections Really Needed Every Year? - 10/09/12 07:49 PM
In a recent blog post about fall maintenance for Minnesota homeowners, I mentioned having your furnace inspected / tuned up by a qualified heating contractor annually.  One reader sent me an email asking if this was really necessary - here's his original question:
I have a question about furnace tune-ups.  You say get one every year - is that really necessary?  What do the HVAC guys actually do to the furnace to "tune" it up?  There's no spark plugs to replace like a car tune-up, and my understanding is they basically vacuum out dust and inspect it.  Couldn't the homeowner do this … (50 comments)