Switching from electric heat to natural gas is a wise decision for the thrifty property owner. Not only does a gas heater warm the property faster than an electric heater, the price of natural gas is much lower than electric. During the winter months property owners with gas heaters can expect to save hundreds during the colder months. However, there is one disadvantage to a gas heater that many property owners don’t consider. Gas heaters can cause condensation during winter months. The buildup of condensation eventually can cause mold. The hot air from the gas heater holds moisture and as the air becomes colder, moisture begins to condense on the walls. Left unchecked the condensation gradually increases and mold will form on the property’s walls.