Scavenging Heat from Gas Fireplace Chase

I’m installing a new gas fireplace. DirectVent 4/6 with 14′ of near straight vertical pipe. Primary reason is design considerations and aesthetics. Secondary is my wife wants lots of heat… I’m installing a new gas fireplace. DirectVent 4/6 with 14′ of near straight vertical pipe. Primary reason is design considerations and aesthetics. Secondary is my wife wants lots of heat…Read MoreGreenBuildingAdvisor