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 ...

There is a common misconception that it’s impossible to have a furnace — a major component to an HVAC system — installed in ...

Gas furnaces generate heat by burning natural gas. They’re available in varying sizes and energy efficiencies and produce a hot, dry heat. While still the most widely used furnaces, they’re starting ...

Some furnace tasks are straightforward and satisfying, like changing air filters or keeping vents clear, but if it’s been a while since your last inspection, calling in the pros is the safer bet. “The ...

Cooler temperatures aren't here yet, but it's worth researching ahead of time if you're in need of a furnace upgrade. Fortunately, the market these days is flooded with options. To pick the right one ...