[Editor’s note: This is the second in a three-part series on one of the newest refrigeration technologies: the electric suction line regulator. The first part appeared in the Jan. 12 issue of The NEWS ...

The suction line of a refrigeration system is normally insulated with a flexible, closed-cell elastomeric material. Wall thicknesses vary between 3/8- and 1-inch. Medium-temperature systems generally ...

Q: I have a big problem with my swimming pool. I came home from work and noticed that lots of leaves and debris were floating on it. I lifted off the top of the skimmer and noticed that the water was ...