The metal that a furnace heat exchanger is made of can fail prematurely due to fatigue which can arise from air flow or burner problems. In this instance, the heat exchanger will need to be replaced.

How to Know If Your Furnace Heat Exchanger Is Bad. Because they’re exposed to temperature extremes, heat exchangers do go bad, says David.

Replacing a furnace heat exchanger can cost anywhere from $800 to $5,000, depending on factors like the furnace’s type, size and age. However, most homeowners pay around $1,750.

Q: When we bought our house, our home inspector never turned on the forced air furnace to test it. After moving in we found that the furnace makes an annoying pop sound after the burner turns off.

However, if a key component, such as the heat exchanger or control module, fails, you’re probably better off replacing the furnace, especially if the unit is more than about 15 years old.

A natural gas furnace works by igniting natural gas inside of your furnace's burner. The flames heat up a metal heat exchanger, which in turns heats incoming cold air received from your home's ...

Employees at Trenton City Hall dressed for chilly conditions this week due to a heating problem. No heat forced workers into heavy coats, wool hats, scarves, and gloves. Of course, workers told jok… ...

A heat pump is a type of home heating and cooling system that uses resources like water and air to regulate the temperature. It's like an air conditioner, but it has a built-in heating system, too.