The author uncovers an early Trane float air vent—offering a look at coal-era steam heating design, failed radiator traps, and what contractors should watch for in aging two-pipe systems. The first ...

I never knew that there was a Christmas version of an automatic air vent for a residential steam heating system. When I finally found it, I instantly knew this story would be for the holiday issue.

Combined-cycle power plants are frequently located in or near residential or commercial areas, with many people residing or working near the plant. The high energy required for power production ...