Over the years I've written several times about unvented or "vent-free" gas room heaters. My (negative) opinion about these appliances is based on the fact that the combustion by-products produced by ...

Installing and servicing furnaces, a/c systems, and ductwork may not be the same as installing vent-free products, but the training is similar. Last year, 1999, was a good year for sales of vent-free ...

A new line of radiant vent-free gas room heaters with a rich compact European design replaces the Corcho® line. Model SC18 and Model SC30 are available in natural gas or LP gas. They can be mounted on ...

There are warnings from energy-efficient housing experts that vent-free heaters and fireplaces are dangerous to our health, and houses. The Heritage Telegram & Gazette, on Sept. 17, published an ...