Should I replace a cracked heat exchanger?

If your heat exchanger is cracked, your furnace is probably nearing the end of its life (18-20 years). If that’s the case, then it’s usually not worth the money to replace the heat exchanger. No matter who you ask, replacing a heat exchanger will be expensive.

Can a cracked heat exchanger be replaced?





Unfortunately, heat exchangers cannot be repaired. When a heat exchanger cracks or rusts through it must be replaced. Because the heat exchanger is at the center of the furnace, nearly the whole furnace must be disassembled. Even if the parts are covered under warranty, the labor and freight will start around $500.

How much does it cost to replace a cracked heat exchanger?

$2,000 to $3,500

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. However, it is not worth spending your money on replacing your heat exchanger when it is near the end of its life span, which is ten years or more.

What must be done if a crack is found in a furnace heat exchanger?

If you have a cracked heat exchanger, you’ll likely need to have it replaced with a new furnace sooner than later. Because a heat exchanger is more likely to crack late in your furnace’s life, consider a system upgrade or replacement.

How much does it cost to replace a heat exchanger in a furnace?





$2,000 to $3,500

If so, here’s the thing: replacing a heat exchanger isn’t as simple or affordable as it sounds. In fact, replacing a furnace heat exchanger can take up to 8 hours and can cost anywhere from $2,000 to $3,500.

What are the signs of a cracked heat exchanger?

Warning Signs of Cracked Heat Exchangers

  • Visible Damage. You may be able to see cracks in the heat exchanger when you visually inspect the furnace. …
  • Soot. The presence of soot on the heat exchanger or on the furnace’s interiors is a warning sign of incomplete combustion. …
  • Abnormal Flame. …
  • Noticeable Odors. …
  • Water on the Floor.

How serious is a cracked heat exchanger?



A cracked heat exchanger poses a serious threat to the safety of your home. If there’s a crack in one of the cells of the heat exchanger, the gases being burned – carbon monoxide, sulfur dioxide, nitrous oxide – could leak into your home, causing illness or, in extreme cases, death.

Can you weld a cracked heat exchanger?

NO! Cracked heat exchangers should not be welded or repaired. Repairing a cracked heat exchanger requires welding both sides of the crack to ensure stopping all leaks. In most residential and small commercial heating units, this is not possible.

How long should a heat exchanger last?

about 15 years



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.

Why does a cracked heat exchanger smell?

When your heat exchanger is defective, it may give off an eye-watering chemical scent. This could be the first thing you notice. The smell may be accompanied by other physical symptoms, such as headaches and nausea. This is an indicator of harmful chemicals entering your house.

Will a home warranty cover a cracked heat exchanger?

If you have a Landmark home warranty and you get the bad news that your furnace has a cracked heat exchanger, your first question will most likely be: “Will my home warranty cover this?” The answer is yes!

Are heat exchangers worth it?

The benefits of installing a heat exchanger in a home include improved moisture removal, decrease in the potential of structural damage, elimination of harmful pollutants, and reduced energy costs. The resulting improved indoor air quality can affect the home occupants and their health in a positive manner.

What is the most reliable furnace brand?



Best Furnace Brands

  • American Standard Furnaces.
  • Amana Gas Furnaces.
  • Bryant Furnaces.
  • Carrier Furnace Units.
  • Daikin Furnaces.
  • Goodman Gas Furnaces.
  • Lennox Furnace Units.
  • Rheem Furnaces.

How much is a new furnace for a 2000 square foot home?

The average cost range for purchasing and installing a gas furnace designed to heat a 2,000-square-foot home with a 97% efficiency rating ranges from $4,000 to $8,000, with most homeowners spending around $6,000 total on a high-efficiency gas furnace replacement in a 2,000 sq. ft.

What brand of furnace is the quietest?

Lennox SLP98V
With an efficiency rating of up to 98.7 percent AFUE, the SLP98V is considered as the quietest, most efficient furnace available on the market today.

How much should a new furnace and air conditioner cost?

New Unit. New HVAC systems cost between $1,000 and $10,000, depending on the brand and size of the unit. A new furnace typically costs between $1,000 and $4,000, and an air conditioner runs from $1,500 to $8,000. Consider that a newer, more energy-efficient model may save you money on energy bills in the long run.

How much is a HVAC system for a 2000 sq ft house?



On average, when looking to replace your HVAC system, the cost for the unit itself will range between $4,850 and $9,400.
HVAC Installation Cost Per Square Foot.

Square Feet Average Cost
1,000 $4,000 – $5,000
1,200 $5,000 – $6,000
1,500 $6,000 – $7,000
2,000 $7,000 – $8,000

Should I replace my furnace and air conditioner at the same time?

Note: You should always replace both air conditioning components (condenser/compressor and evaporator coil) at the same time. This does not necessary mean it always makes sense to replace the AC and the heating system at the same time. Keep in mind that replacing a furnace on its own will cost around $2,000 to $5,000.