If your water is rust colored or not heating quickly, it may be because sediment in collecting in your water heater. Here's how to drain the tank.

This can be prevented by setting the water heater to a temperature where the bacteria Legionella cannot thrive. The Occupational Safety & Health Administration (OSHA) recommends water heaters be set ...

And so do hot exhaust gases from a water heater. But if an exhaust ... upward until it connects to a vent pipe running up through the roof. The hot flue gas rises until it safely exits the building.