Types of Gas Fireplaces Natural Vent (B-Vent) Gas Fireplaces. Natural-vent gas fireplaces, a.k.a. B-vent fireplaces, draw air from inside the home to feed the flames, then vent combustion gases up ...

When firing natural gas in these burners, we can achieve the ultra-low NOx limit, 9 ppm, going down to 5 ppm and beyond. These are premix burners with a long, tubular combustion head. The smallest ...

About two-thirds of Southern California households that use natural gas burners without good ventilation are exposed to excessive levels of air pollution, a new study found. (Cheryl A. Guerrero ...

At the beginning of January, the health and climate effects of gas cooking stoves in homes was an issue policy makers and academics were studying. Then, on Jan. 9, Bloomberg News published an ...