From this link:
Most people are not aware that
recertified and refurbished are pretty
much the same thing. There are usually
a few key factors that define the
difference between the two terms. The
first factor is that recertified
products often come with a short
warranty against functional defects.
The warranty time frame is usually
somewhere between 30 to 60 days.
Refurbished products however are
typically sold "as-is" without a
For more info check out the link.