Safe operation of any fuel-fired equipment requires adequate combustion air supply. To provide this essential system component, technicians typically install openings constructed of metal ducts or fixed grilles. This provides air from the outside or from an adjoining...
With the end of the heating season there’s a tendency to forget the dangers of carbon monoxide (CO). As you transition to the cooling season, be sure to keep your awareness for CO high even though it’s likely to be the last thing on your mind. Let’s look at five...
