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) — ...

Skipping the manufacturer's instructions during installation may result in a furnace that fails within six months or less. For example, heat exchangers can crack from improper venting, and gas valves ...

There's no problem with a one-pipe system, but the rules for venting are different. I've read dozens, maybe hundreds of high-efficiency furnace installation manuals. Every single one of them had ...

Inspecting a natural draft water heater vent happens quickly and easily once you know what to look for. Today, I'll show you what to look for when looking at a water heater vent connector. I recently ...

There is a common misconception that it’s impossible to have a furnace — a major component to an HVAC system — installed in the attic due to tight space and minimal access. This is not the case. As ...