What is the function of a heat exchanger?
A heat exchanger is a system used to transfer heat between two or more fluids. Heat exchangers are used in both cooling and heating processes. The fluids may be separated by a solid wall to prevent mixing or they may be in direct contact.
How long do furnace heat exchangers last?
about 15 years
In most cases, the heat exchanger determines how long your furnace will last. The heat exchanger is responsible for heating the air that circulates through your home in the winter. Heat exchangers usually last about 15 years. If you invest in maintenance, yours might even last 20.
Can I run my furnace with a cracked heat exchanger?
If it is your heat exchanger, you cannot run your furnace, even if it seems to be running fine. The gases will continue to seep into your home’s air. Many companies, upon finding a cracked heat exchanger, will shut your furnace down so you cannot run it.
How much does new furnace cost?
How Much Does a Furnace Cost? A new furnace costs $1,500 to $6,500, depending on the model you choose. The average cost of installing a mid-efficiency furnace is $1,500 to $2,500. Mid-efficiency furnaces have an annual fuel utilization efficiency (AFUE) rating of 80% to 89%.
What is the heat exchanger in a furnace and how does it work?
A furnace heat exchanger works by literally exchanging (or transferring) the heat created in the combustion chamber to the exterior of the unit, where it is then blown through the ductwork throughout the house.
Is a cracked heat exchanger on a fuel oil furnace dangerous?
In a nutshell, here are some of the dangers of a cracked heat exchanger. Heating your home with natural gas, propane gas, or fuel oil can result in the leakage of harmful gases when the heat exchanger cracks. Fossil fuel gases like Carbon Monoxide Poisoning Serious tissue damage caused by carbon monoxide building up in the bloodstream. and carbon dioxide can cause several health issues.
Does a boiler have a heat exchanger?
Definitely boiler can be considered as heat exchanger because the water in the boiler tubes absorbs heat from the hot combustion gases obtained by burning the fuel. Though, the boiler is more complex than the normal heat exchangers like shell and tube, double pipe, plate type but also it can be considered as a heat exchanger.
Is a cracked heat exchanger dangerous?
A cracked heat exchanger is very dangerous for two major reasons. First, Carbon Monoxide could leak out of the furnace and into the home. Second, gas could leak out of the furnace and into the home.