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) — ...
Question: Several years ago, we had a tankless water heater and very high efficiency furnace installed and the installers tape-sealed off the old metal furnace chimney in the basement, as the new ...
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