How long should a furnace last?

Answer With proper maintenance, a furnace should last 14 to 20 years. The cost of replacement can range from $3,000 to $5,000, but a new furnace will almost certainly be more efficient than a 20-year-old ... Read More »

Top Q&A For: How long should a furnace last

How long should a home gas furnace last?

The U.S. Department of Energy assumes an average residential gas furnace life of 20 years in its guidelines for its Federal Energy Management Program. However, when considering whether to replace a... Read More »

How Long Should a Furnace & Air Conditioning Unit Last?

Furnace and air conditioning units cost a pretty penny. Due to their high price, many people want to find the longest-lasting model. On average, furnaces last longer than air conditioning units. Bo... Read More »

How long does a furnace last?

Furnaces generally last about 14 to 20 years. When it is time to replace a furnace, homeowners can expect to spend approximately $3,000 to $5,000. In addition, depending on the age of the furnace b... Read More »

How long does a furnace ignitor last?

A silicon carbide furnace ignitor is the most common type of ignitor. It should last for three to five years if it's operating normally. A silicone nitride ignitor will last twice as long.Reference... Read More »