Direct-vent systems are usually more expensive and less energy-efficient since heat escapes up the chimney. Unvented or vent-free systems are usually less expensive, but they aren’t designed to ...

The Direct-Temp® direct-vent chimney system contains a proprietary woven fiberglass seal, which makes a secure connection, ensuring that combustible products will not leak out of the chimney system, ...

Q: My question concerns the chimney and flue arrangement in my house. The house was built in 1963. It is a one story ranch with no basement. The house originally used electric radiant heat in the ...

The heating capacity from a direct-vent fireplace can be as high as 40,000 Btuh (Btu per hour). In order to keep your family room from overheating, select a thermostatically controlled model.

“The advantage is that direct vent fireplaces can range from 17,000 to 45,000 BTUs and have the capability to heat space in your home from 800 square feet to 2000 square feet.” ...

The Metalbestos Model MDV Direct-Vent Chimney System with an inner stainless steel liner, provides corrosion pro-tection with minimal leakage, says the manufacturer. It contains a woven fiberglass ...