I think that hot water circulates through the heater system all the time. The air is mixed as needed, but the heated water is always flowing.
As far as MTBE's, those tree huggers screw us every time. Notice that they don't outlaw petroleum jelly. The keep things they use all the time.
As far as MTBE's, those tree huggers screw us every time. Notice that they don't outlaw petroleum jelly. The keep things they use all the time.
