The issue is they equate amperage draw to efficiency, which is not necessarily a true indicator of how well a fan works.

This was all that was needed in the days when headlights and defroster fans were the biggest amp-hungry items on the menu. Together they might create a 30-amp draw. Today’s story is far more taxing.

As the heart of the refrigeration system, the compressor must run efficiently in order for the system to perform properly. Often, compressor problems are a result of stress on the compressor motor ...