2013 marks the 10-year anniversary of the 2003 Northeast Blackout. A dramatic event that left around 50 million people in the U.S. and Canada without power, the Northeast Blackout was a wake-up call ...

There are two types of coils in an AC/refrigeration system–the evaporator and the condenser. They consist of copper or aluminum tubes with aluminum fins or microchannel tubes with fin strips. If these ...