Unfortunately, the cost of replacing a heat exchanger isn't the most affordable choice. The cost of replacing a heat exchanger ranges from $2,000 to $3,500. Replacing your furnace's heat exchanger would be a good route to take if your furnace is fairly new.
Heat exchangers can be very difficult to repair, and in many cases, a replacement is recommended. If your manufacturer's warranty has expired (or was voided due to lack of maintenance), the part and labor costs of a heat exchanger replacement will likely be far too expensive.
It can range between $1,000-$4,000 for parts and labor, with an average cost of $2,000. Learn how this heat exchanger cost breaks down and how to identify the crucial signs it's cracked and needs replacement.
A heat exchanger can, however, often last for 15 to 20 years or more with good care and normal operating circumstances.
Signs of a bad heat exchanger in a gas furnace include strange noises, a yellow or flickering burner flame, increased fuel bills, carbon monoxide detector alarms, and unusual odors, such as a burning smell or the scent of exhaust fumes.
So, if your furnace is still under its labor warranty, we definitely recommend replacing just the heat exchanger since most of the repair cost will be covered under warranty. But if your furnace is no longer under the labor warranty and it's over 10 years old, you might as well just replace the furnace completely.
Because replacing a heat exchanger can take up to eight hours or longer, it represents the bulk of the cost. If your warranty is expired, and you would need to pay both parts and labor for a new heat exchanger, look further into whether a full unit replacement would be more advantageous for you.
And remember, trying to replace a heat exchanger without professional assistance can pose potential hazards such as carbon monoxide poisoning and other safety risks.
However, if your heat exchanger goes bad (more on that in the next section), the cost of labor is what makes heat exchangers so expensive to replace.
Clogged filters reduce the air flow that result in development of cracks inside the system. Other reasons for reduced air flow are the dirty fan blades, dirty duct work, and obstructed air vents. All of these factors can cause major damage to the heat exchanger.
The popular method is to use the cost per area of the heat exchangers which is determined using an overall heat transfer coefficient U from A =Q/UΔT m but the challenge with this method is that obtaining the heat exchanger areas can be complex.
You'll be looking at a different cost depending on the location of the furnace, the size of your home, and the type of furnace. But the average cost per unit can range anywhere from $2,672 - $6,575. The national average is $4,820 - $9,350 for a full furnace installation.
Typically, new heat exchangers can range anywhere between £400 - £600, so it often makes more sense to buy a brand-new boiler, especially if your current one is an older inefficient one with an expired warranty.
Unfortunately, the cost of replacing a heat exchanger isn't the most affordable choice. The cost of replacing a heat exchanger ranges from $2,000 to $3,500. Replacing your furnace's heat exchanger would be a good route to take if your furnace is fairly new.
So, can you run a furnace with a cracked heat exchanger? The straightforward answer is no. Operating a furnace under these conditions is unsafe and can lead to severe consequences, including the risk of carbon monoxide poisoning.
However, a high-pitched rattling before your furnace kicks on might indicate a cracked heat exchanger, a more serious problem that may require replacement.
Replacing just the heat exchanger and not replacing the entire furnace is an option. If your furnace is less than ten years old and the rest of the components are in good condition, it will likely be worth just replacing the heat exchanger component.
They are a cost-effective solution and can be tailored to meet specific needs, but they can make quite a bit of noise, especially if designed incorrectly. Low-noise air-cooled exchangers are a specialized type of air-cooled exchangers that are designed to reduce the noise generated by the system.
A new HVAC system costs around $7,500, on average, and prices typically fall between $5,000 and $12,500. Pricing includes HVAC system and labor costs.
If the heat exchanger rusts through or cracks, flue gases, including deadly carbon monoxide could leak into the home resulting in illness and possibly death of the occupants. Carbon monoxide poisoning can produce headaches, flu like symptoms, and even death.