What to do if San Diego Gas and Electric Finds a Cracked Heat Exchanger in Your Furnace

One of the most common calls that heating and air conditioning contractors get during the fall and winter seasons, comes after San Diego Gas and Electric (SDG&E) performs a furnace inspection for a homeowner and tells the customer that they have a cracked heat exchanger. A cracked heat exchanger is a serious issue – so much so that SDG&E usually puts a red tag on the furnace and may shut off the gas, lock the utility meter or actually completely disconnect the furnace. A red tag on the equipment states that the furnace has been shut down and is dangerous to operate unless repaired or replaced. Read more