The problem: Replacing an existing gas furnace with a new, more efficient furnace. The apprentice: Allen Charles Edwards (ACE) — First-year mechanic. The technician: N. Arthur Thomas Egan (NATE) — ...

The building housing the furnace would cover 34,000 sq m (8.4 acres) The size and design of a new electric arc furnace planned for Teesside has been revealed. British Steel said the new furnace at ...

COMFORT MATTERS: When a furnace is sized for the home’s actual heating load, it offers greater comfort, often with a smaller, less expensive furnace. May 20, 2019 HVAC professionals might be surprised ...

As computer technologies keep improving, we’re getting rid of lots of old rules-of-thumb and instead making more decisions based on detailed information. One improvement has been the old rule of ...