THIS ENERGY-SAVING POWERED DAMPER now offered on select residential gas-fired water heaters, enables them to achieve an Energy Factor from 0.67 to 0.69, depending on the model. This allows many of the ...

Q–Very little air comes out of the heating duct in the bedroom at the far end of my house. However, a tremendous amount of air comes out of the same size duct in the dining room, which is in … ...