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. Heat exchangers ...

Johnathan C. Brewer II is a licensed general contractor specializing in kitchen, bath remodels and general construction with two decades of professional experience. He is also the owner of Brewer ...

I built this heat exchanger to take advantage of that cold source for use in the house in the summer...the only actual cost is the power to run the box fan that moves the air through the copper ...