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Quick Answer: How Long Do Gas Furnaces Last

A well-maintained furnace can last at least 15 to 20 years, but completing annual maintenance and being diligent with repairs can extend its life even longer.

Can a gas furnace last 30 years?

The Average Age for Gas Furnaces Other sources estimate that the average lifespan for a modern furnace is between 15 to 30 years. Even though furnaces can last 30 years or beyond, most experts recommend that you start shopping for a new furnace when your existing unit is 15 years old.

Can a furnace last 40 years?

Although some furnaces can last more than 40 years (extremely rare), the average life of a furnace is around 15 to 30 years. As long as you have scheduled annual furnace maintenance, it should easily last over 15 years. Just like your car, your older furnace may need some basic repairs.

How efficient is a 20 year old furnace?

The U.S. Department of Energy indicates that a 20-year-old furnace wastes at least 22 % of the energy it consumes. Compare that to a new furnace whose AFUE (annual fuel utilization efficiency) rating is 95%, meaning that you only lose half a dollar for every ten dollars’ worth of energy consumed by your furnace.

When should I replace my gas furnace?

Most furnaces have a lifespan of 20 to 30 years. However, this doesn’t mean you can wait that long to replace yours. After about 15 years or so, you may need to consider a furnace replacement if your unit has been experiencing significant problems and requiring frequent repairs.

Should I replace my 40 year old furnace?

One of the parts they’ll examine every year is the heat exchanger. The heat exchanger is inside your furnace, a place you should not go. An older furnace is more likely to have problems with carbon monoxide escaping. If your furnace has repeated problems with CO emissions, consider replacing it.

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. home with minor modifications.

What is the most reliable furnace brand?

Here they are, starting with this year’s top rated furnace brand. #1 Heil / ICP Brands. Quality. Warranty. #2 Goodman. Quality. Warranty. #3 Rheem / Ruud. Quality. Warranty. #4 Maytag. Quality. #5 Trane / American Standard. Quality. #6 Carrier / Bryant. Quality. #7 Armstrong / AirEase. Quality. #8 York / Johnson Controls. Quality.

How do you know if your furnace is dying?

Aging furnaces often make some strange noises toward the end of their life — banging, popping, rattling, or squealing. Or you may you hear the furnace blower running excessively, turning off and on frequently, or blowing cold air sometimes. These may mean your furnace needs to be replaced.

Is it cheaper to replace furnace and AC together?

Adding a furnace during your air conditioner replacement will cost a lot less, around $1,000 to $3,000. The only time it really makes sense to wait to replace your furnace is if it is less than 10 years old. This way, the furnace will most likely last until the next time your air conditioner needs to be replaced.

How efficient is a 15 year old furnace?

As I mentioned earlier, when you have a 15- to 20-year-old furnace, it wastes around 18 to 22 percentage of the energy. That means if you spend 100 dollars in your furnace, 20 dollars will be wasted. On the other hand, the modern HVAC system has a 95% AFUE rating.

Is it worth fixing a 20 year old furnace?

Furnaces 20 years old or older become increasingly inefficient over time and can crack and leak, putting you and your family in danger. If your furnace is between 16 and 20 years old and constantly breaking down, then you should strongly consider having it replaced.

Should I replace a 25 year old furnace?

Age of your Furnace If your furnace is pushing 25 years or more, it’s probably nearing the end of it’s effective lifespan. You might choose to replace a 15 year old furnace, or it could last more than 30 years.

Does a gas furnace lose efficiency over time?

Furnaces often lose their efficiency as they age, especially if they have not been properly maintained. As a result your oil or natural gas furnace may run longer to provide the same amount of heat. This will cause your energy bills to go up.

How much is a new furnace for a 1500 square foot home?

For example, a 700- to 1,500-square-foot home will require a BTU rating between 40,000 and 60,000, which will cost between $2,000 and $3,000. A furnace for a home ranging in size from 2,000 and 5,000 square feet will need between 125,000 and 150,000 BTUs and will cost in the neighborhood of $3,300 to $6,500.

Is it worth it to replace a furnace?

You’ve Noticed an Increase in Your Heating Bill If you notice a significant difference in recent heating statements, your furnace is likely consuming too much energy. If you have an older system that would require costly repairs to maintain efficiency, consider having your furnace replaced.

Does a new furnace increase home value?

While replacing your furnace is unlikely to increase home value, it can still provide important benefits when it comes to selling your home. A brand new furnace may make your home more attractive to buyers, which can lead to a quicker sale.

How long does a Lennox gas furnace last?

It’s important to know how old your HVAC system components are. Air conditioners and heat pumps last an average of 10 to 12 years, while furnaces have a life span of around 15 to 20 years, although a number of factors, including previous maintenance and the climate you live in may impact your system’s life span.