To understand the operation of combustion air openings, it’s a good idea to review some airflow basics. For airflow to move through a duct, there must be a pressure difference across it created by an ...

Flue gas temperatures drop below 125°. Often outdoor air is used for combustion, allowing these furnaces to operate without indoor air ventilation requirements. If used with a two-pipe configuration, ...

Solution: Remove any obstructions.If you want to help cut down on the amount of cold air that just 'dumps' down in to the basement, try creating a trap at the bottom of the combustion air duct.

HESPERIA (CBSLA.com) — A UC Riverside study found that commercially cooked hamburgers cause more air pollution than diesel trucks. The study, which focused on commercial charbroilers found in ...