Me:  (standing in the living room)  Has the boiler always been this loud?

Zoo:  Yes.  Because you’re standing right above it.

Me:  I’ve never heard it this loud.  (goes to basement, opens door and hears weird click clack noise.)  I’ve never heard that noise before.

Zoo:  I’ve heard it – it’s running three zones at once.

Me:  One zone is running.  One.  You’ve really heard this noise before?  Because, like 13 years here and I’ve never heard it.

Zoo:  I’ve heard it before.

Me:  Before this morning?

Zoo:  No.