This article will incorporate a service checklist in troubleshooting a frosted evaporator coil or restricted airflow over the evaporator. (See photo, page 26.) Any time the evaporator coil sees ...

One of the items found on the identification tag that is attached to each coil when it is received from the steel mill. The coil number is a unique number that identifies each coil from each batch of ...

Make a simple mini-motor. A coil of wire becomes an electromagnet when current passes through it. The electromagnet interacts with a permanent magnet, causing the coil to spin. Voilà! You’ve created ...