Unvented Gas Fireplace. They are 99% efficient at converting gas to heat. They can also be mobile fireplaces, which.
But our tests confirm that these heaters contribute significantly to indoor air pollution. We are looking into installing a gas fireplace and are curious the pro's of the vented variety. Add sparkle and shine to the fireplace for additional effect. Since unvented gas fireplaces release all combustion products into the home this means that a substantial amount of moisture is added to the indoor air during fireplace operation.
They are 99% efficient at converting gas to heat.
Strong influence by the unvented appliance industry has made it let me get right to the point: I think that in a healthy home, you shouldn't be burning anything unvented and that these are not. Use pipe of 1/2 diameter or greater to allow proper gas volume to fireplace. We had horrible dust in the house, and the clean was one thing we tried to minimize the dust.
