How long does a furnace last - Take the furnace doors off and reach in on the blower motor side (usually to the right), touch the blower motor and check if it is hot. This could indicate that it has been trying unsuccessfully to start and suggest an issue with the draft inducer motor. Next reach towards the squirrel cage (typically to the left) taking care not to be harmed ...

 
Take the furnace doors off and reach in on the blower motor side (usually to the right), touch the blower motor and check if it is hot. This could indicate that it has been trying unsuccessfully to start and suggest an issue with the draft inducer motor. Next reach towards the squirrel cage (typically to the left) taking care not to be harmed .... Mitsubishi ducted mini split

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 …Learn how to estimate your furnace's life expectancy based on its size, installation, and maintenance. Find out how to spot signs of a failing furnace and when to replace it. See moreAs the e-cig maker's market share evaporates, Elon Musk calls Tesla's gigafactories “giant money furnaces.” Good morning, Quartz readers! The US Federal Reserve acknowledged rising...How long does a furnace blower motor last? Generally speaking, a furnace blower motor lasts between 10 to 20 years. This range is broad because several factors come into play that can either extend or shorten its life. Factors influencing the lifespan of a blower motor. Quality and Brand: Not all blower …Feb 19, 2022 · Rheem furnaces last approximately 15 to 20 years. The life expectancy of a Rheem furnace will depend, however, on a number of factors: Sizing of the furnace. Installation. Maintenance. Usage. Keep reading for more details on how long a Rheem furnace lasts and signs it's time to replace it. Furnace filters have an arrow that point to installation towards the evaporator coil, fan and blower motor located inside the air handler. If there are no arrows on the filter, ins...As a general rule of thumb, you should expect a gas furnace (which is most popular) to provide reliable service for 15 to 20 years. If you opt for an electric furnace—also a popular choice—it has the potential to last as long as 30 years. When to Replace Your Furnace. As long as your furnace is safe and provides … Furnace ignitors typically fall into two categories: silicon carbide (non-integrated) and silicon nitride (integrated). The lifespan of these ignitors varies, with silicon nitride ignitors generally lasting longer. Silicon carbide ignitors have an average lifespan of 3 to 5 years, while silicon nitride ignitors can last up to 15 years or more. The good news is that you won’t have to replace the entirety of the furnace since the other parts can last up to 15 years. How long it works depends on the level of maintenance that you are providing. Regular maintenance can be a great way to extend the life of the components within your furnace, keeping those expensive repairs at bay.How Long Does a Rheem Furnace Last? As a general rule of thumb, a residential HVAC/ furnace can last between 10 to 15 years; however, some Rheem furnaces have been known to last up to 20 …According to the Gas Furnace Guide, ignitors have an average lifespan of four to seven years. So, after about seven years, you may have to replace the ignitor; however, you probably won’t have to replace the entire furnace because other parts, such as the heat exchanger, can last more than 15 years.1. Age. A well-maintained furnace can last up to 20 years, but issues become more likely after 10 years. With proper care, you can expect an additional 5 to 10 years of functionality, though warranties often expire by year 12. Beyond 15 years or without maintenance, consider planning for a new furnace. 2.An average furnace lasts about 15 years, with most working efficiently for about 15 to 20 years. After that, general wear and tear can cause the furnace to work …Understanding Furnace Lifespan. The lifespan of a furnace is a critical consideration for homeowners, with average durations spanning from 15 to 30 years. Gas furnaces typically last 15 to 20 years, electric versions can exceed 20 years, and oil furnaces may operate effectively for over 30 years with proper care.29 Sept 2021 ... When your old furnace is getting close to the 20-year mark, consider replacing it with a new high efficiency furnace. An EnergyStar-certified ...May 22, 2023 · On top of that, this model has an identical energy efficiency rating to the 880TA. However, unlike the previous model, this furnace features ultra-low NOx burner technology, meaning it delivers 65% lower NOx emissions than a standard furnace. Blower type: Variable speed. Efficiency rating: 80% AFUE. Most furnaces and boilers have a lifespan of about 15 to 20 years. Gas furnaces, however, sometimes have a slightly shorter lifespan. In rare cases, you might get 30 years of effective use out of your gas furnace. Certain optimization strategies give you a better chance of receiving more than 15 years of effective operation from your furnace.Furnaces older than 10 years may require replacement; Gas Vs Electric Furnaces: Lifespan Comparison. When it comes to lifespan, the type of furnace can play a role. Electric furnaces generally have a longer average lifespan of 20 to 30 years, while gas furnaces typically last between 15 to 20 years. This difference can be attributed to …The Canadian Average Furnace Lifespan Gas Furnaces. Gas furnaces typically have a 15–20 year lifespan. However, several factors, particularly in places with harsh winters, can affect how long they last, such as the caliber of the installation, how often it is maintained, and how much use it receives. Electric …Nov 9, 2022 · How Long Does a Furnace Last? Electric furnaces tend to last longer that gas or oil furnaces (up to 20 years) because they contain fewer parts and no combustion chamber. A gas or oil furnace can last for 15 years. It isn’t unusual for homeowners to keep their furnaces longer than that, but performance usually suffers. How To Maintain a Furnace Nov 18, 2020 · 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. to which we replied "Just about the warranty period - manufacturers know their equipment well; warranty periods run from 10 years to lifetime." But this was a bit too glib. Here we provide the details about the causes of leaks in furnace heat exchangers and about furnace heat exchanger life expectancy.1. Your Furnace is 15+ Years Old. As previously stated, many factors contribute to how long your furnace lasts. Our furnace experts expect well-maintained furnaces to last around fifteen years. Regular furnace maintenance is similar to changing the oil in your car to keep the motor running well.An average furnace lasts about 15 years, with most working efficiently for about 15 to 20 years. After that, general wear and tear can cause the furnace to work …How long do boilers last on average before they are considered too old? The 15-year mark isn't the only indication that you may need a new boiler. Other indicators may also show you that your system is getting too old. While it's usually difficult to determine when a boiler is not working at optimal efficiency, annual maintenance done by a ...How Long Does a Furnace Last? A furnace is a major investment, so you should be happy to know it will last at least 15 to 20 years. If you follow regular maintenance and keep your furnace in good condition, it can last even longer. Regularly changing the air filter is one key to ensuring your furnace lasts as long as possible. A clogged filter ...Let’s get straight to the answer. Propane furnaces last, on average, between 15 and 20 years. However, they might last even longer if well cared for. This means changing the filter regularly and having preventative maintenance done …Nov 20, 2020 · Furnace and Heating. The industry standard is a 20-year life cycle. Furnace blower motors are designed and built to last many years with minor maintenance and no special attention. That doesn’t mean a blower won’t fail. They do, and when that happens, you have to go online searching for help, and it’s frustrating. An average furnace lasts about 15 years, with most working efficiently for about 15 to 20 years. After that, general wear and tear can cause the furnace to work …Factors Explanation; Type of Furnace: Gas furnaces have an average lifespan of 15-20 years, while electric furnaces and heat pumps can last up to 20-30 years.: Maintenance and Repair: Annual maintenance and cleaning, timely repairs, and filter changes can increase the furnace’s lifespan significantly.But this can range anywhere between 10,000-30,000 cycles/year. Assuming Furnace lasts 20yr, then the Gas Valve (as you say outlasts the furnace in most cases) will have cycled through as much as 600,000 cycles (30,000 cylce x 20 yr)! Wow, then Honeywell really designed it well to outlast the furnace itself. cn.On average, you can expect your gas furnace to have an average lifespan of 10 to 20 years and an electric furnace to last between 20 and 30 years. That means an …Sep 12, 2021 · Average Furnace Lifespan. While some furnaces can last over 40 years (extremely rare), the average lifespan of a typical gas furnace is around 15-30 years. As long as you have scheduled yearly furnace maintenance, your furnace should easily last over 15 years. Here are some factors that will affect how long your furnace will last: In my last house, furnace/central ac was replaced after 21 years (built in 93, replaced 2014) Current house built in 96, and the Lennox is still going strong, is very quiet (much quieter than that 2014 system), currently 27 years old Furnaces are designed to last a long time, but they’ll still wear out over a decade or two. Replacing your home’s furnace can cost anywhere from $2,000 for smaller electric units to over $30,000 for high-tech solar models. Jan 29, 2024 · The question is: How long should a furnace last? Is more than just a query—it's a crucial consideration for maintaining home comfort and managing future expenses. The answer impacts your home's warmth, energy efficiency, and safety. Frigidaire furnaces are some of the more affordable options on the market, but there are a few premium models in its lineup. On the low end, most homeowners pay between $2,000 and $4,000 for Frigidaire furnaces. Conversely, Frigidaire’s premium options are pricier, usually ranging between $5,000 and $7,000.May 20, 2023 · First, it’s important to understand that there are several types of furnaces, including gas, electric, and oil. Each type has a different lifespan, with gas furnaces typically lasting the longest at around 15-20 years, electric furnaces lasting around 20-30 years, and oil furnaces lasting around 15-25 years. 6 Jul 2021 ... A well-maintained modern furnace will generally last about 15-20 years before needing major repairs or replacement.In this article about how long furnace filters last, with tips and recommendations from HVAC professionals, we will go over the significance of furnace filters as well as different types of filters. ... Lifespans vary – furnaces last 15-20 years, and air conditioner units and heat pumps tend to last 10-15. Boilers …Nov 9, 2022 · How Long Does a Furnace Last? Electric furnaces tend to last longer that gas or oil furnaces (up to 20 years) because they contain fewer parts and no combustion chamber. A gas or oil furnace can last for 15 years. It isn’t unusual for homeowners to keep their furnaces longer than that, but performance usually suffers. How To Maintain a Furnace Learn the average life expectancy of a furnace and the factors that affect it. Find out how to maintain your furnace and determine its age from the serial number.How long do oil furnaces last on average? The average lifespan of an oil furnace ranges from fifteen to twenty years, depending on regular maintenance. Proper maintenance plays a crucial role in ensuring the longevity of the furnace. With diligent upkeep, an oil furnace can even last up to 20 years, making it a reliable and long …How long should a furnace ignitor last? A furnace ignitor lasts 3 to 7 years on average. For furnaces over 7 years old, ask the contractor to replace the ignitor and flame sensor to prevent an emergency fix later. Most furnaces outlast their ignitor parts. Furnace flame sensor replacement costs $80 to $250.India’s meteorological department has predicted that the heat wave will continue till May 30. India has become a furnace—again. With day temperatures sizzling at more than 45 degre...15 – 30 years. Hydronic Boiler. 15 – 35 years. Steam Boiler. 12 – 25 years. Let’s break down the chart in terms of how long they will last: Standard gas boilersusually last a few years longer than high-efficiency (condensing) boilers. The reason for this is because high-efficiency boilers recycle some of the flue gasses in order to gain ...How long should 100 gallons of heating oil last? Using the calculation above, 1.7 gallons per hour x 10 hours a day (assuming the number of hours you spend at home is 10 hours) = 17 gallons a day. That means, 100 gallons of oil will last you about six days (100-gallon tank / 17 gallons per day = 5.8 days). Or, if …Sep 28, 2021 · The average furnace lifespan is between 15 and 20 years. With proper maintenance, the life of your furnace could be even longer. If your furnace is around 15 years old it is a good time to start researching available options for a new furnace. Many new systems are more energy-efficient and can help reduce monthly energy bills. The Average Lifespan of a Gas Furnace. There are mixed opinions about the life expectancy of a gas furnace. Although a gas furnace can last more than 40 years in rare cases, the average lifespan tends to be between 15 and 30 years. As long as you schedule annual furnace maintenance, it should easily surpass the 15-year minimum.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. ... A little math goes a long way in knowing whether to it's time to repair or replace your ...How long does a Lennox furnace last? Like most furnaces, a well-kept Lennox furnace can last anywhere between 15 and 20 years. However, maintenance plays a major role in the system’s longevity — so if you fail to maintain it, the system might not even reach the 10-year mark.1. Age. A well-maintained furnace can last up to 20 years, but issues become more likely after 10 years. With proper care, you can expect an additional 5 to 10 years of functionality, though warranties often expire by year 12. Beyond 15 years or without maintenance, consider planning for a new furnace. 2.Jan 12, 2023 · Heat pumps last an average of 16 years, and furnaces hang on for between 15 and 20. Depending on your usage, it can be difficult to identify the lifespan of the whole system because you could find ... Expected Lifespan. The average furnace circuit board, also referred to as its “motherboard,” will last anywhere between 10 and 15 years. Depending on the specific type of furnace that you have, this means that your control board could last the expected lifespan of your entire system.How long does an oil furnace last? Depending on how much care it receives, an oil furnace may last up to 15 years with help from a furnace repair technician. However, the lifespan of your oil furnace is dependent on the type of maintenance you give it. A neglected oil furnace will likely be inoperable in a few years, so make sure you keep up ...How long should a furnace ignitor last? A furnace ignitor lasts 3 to 7 years on average. For furnaces over 7 years old, ask the contractor to replace the ignitor and flame sensor to prevent an emergency fix later. Most furnaces outlast their ignitor parts. Furnace flame sensor replacement costs $80 to $250.May 22, 2023 · On top of that, this model has an identical energy efficiency rating to the 880TA. However, unlike the previous model, this furnace features ultra-low NOx burner technology, meaning it delivers 65% lower NOx emissions than a standard furnace. Blower type: Variable speed. Efficiency rating: 80% AFUE. But how long do Goodman furnaces last? We've looked into the life expectancies of these furnaces, and we will cover them in this post. On average, a Goodman furnace is known to last anywhere from 15 years up to 30 years. Several factors will go into the furnace's lifespan, but overall it's known to be one of the best brands in …A well-maintained furnace can last up to 20 years or more, while a neglected furnace may only last 5 to 10 years. To keep your furnace running efficiently and effectively, it is important to have it inspected and serviced annually by …But thermostats don’t last forever and should be replaced. How long do thermostats last, and when should you replace yours? Most thermostats can last 10 years. After 10 years, they can show signs of age and wear, which means it’s time to replace it. Common problems with bad thermostats include faulty sensors, digital screens, etc.On average, a furnace can last anywhere between 10 and 20 years, depending on its usage, the type of furnace, and the size of the home it has to heat, …Apr 12, 2023 · Frigidaire furnaces are some of the more affordable options on the market, but there are a few premium models in its lineup. On the low end, most homeowners pay between $2,000 and $4,000 for Frigidaire furnaces. Conversely, Frigidaire’s premium options are pricier, usually ranging between $5,000 and $7,000. Typically, furnaces last between 15 to 30 years. With regular annual maintenance, a furnace should easily last over 15 years. With great brands, like Lennox, you can comfortably anticipate 20 years. Think of your furnace like a car – as it ages, it may require some basic repairs. Even with Phoenix’s typically mild winters, there are still plenty of chilly nights that could have you turning up the heat. If your home has a gas or electric furnace, you can expect your system to last for 17-20 years. However, there are several factors that can shorten, or lengthen, your furnace’s lifespan. How long does a furnace blower motor last? Generally speaking, a furnace blower motor lasts between 10 to 20 years. This range is broad because several factors come into play that can either extend or shorten its life. Factors influencing the lifespan of a blower motor. Quality and Brand: Not all blower …An average gas furnace can last about 15 to 20 years if maintained properly. Getting a maintenance visit from your local HVAC company every fall will keep the life expectancy of your furnace on the higher end. Your maintenance company will check all the components of your gas furnace and make appropriate adjustments and lubrication.On average, a furnace will last about 15 – 20 years, depending on the type of furnace and how well it is maintained. Proper maintenance, recognizing signs of wear …HVAC systems can last between 15 to 25 years, depending on the type of system, maintenance, and usage. Learn how to prolong the lifespan of your air …3.3 Conclusion. 4 Call McAllister Energy For All Your Home Heating Needs. The lifespan of a furnace significantly varies depending on its type. Gas furnaces, a common choice among homeowners, typically last between 15 to 20 years. Electric furnaces, on the other hand, can have a slightly longer lifespan, often ranging …How long should a cast iron water or steam boiler last? When properly installed and maintained, homeowners can roughly expect a conventional cast iron water boiler to last 20 or more years . There are plenty of examples of cast iron boilers lasting more than 50 years, but this is far from typical.Nov 20, 2020 · Furnace and Heating. The industry standard is a 20-year life cycle. Furnace blower motors are designed and built to last many years with minor maintenance and no special attention. That doesn’t mean a blower won’t fail. They do, and when that happens, you have to go online searching for help, and it’s frustrating. For example, a one inch furnace filter should be changed out every one to three months. A three to four-inch filter can last for six to nine months. If you have a thick five to six-inch filter, it can last from nine to twelve months. By making sure that your filters are changed when they need to be, you can enjoy having a … How many years does an oil furnace last? An oil furnace’s lifespan varies, but in general, it can last between 15 and 20 years. Most oil furnaces have a warranty for at least 10 or more year, and some are even able to last for more than 25 years. Here’s some good news for homeowners: Furnaces have a considerably long lifetime, so you won’t have to worry about purchasing a new one very often. “The …A veteran technician will tell you that durable furnaces last for up to 30 years if given proper furnace maintenance. We'll share a few tips below on how you ...Five to Six Inches Thick – Every nine to 12 months. To keep track of when you last changed your furnace filter, you can put a clipboard next to your furnace with the date of the last furnace filter change. If you aren’t sure when you last changed your filter, it’s okay to change it and write down the date of the change.2. Furnace Ignition Lockout. If your furnace valve is not working, the furnace may shut down completely and stop responding. If your furnace suddenly stops working, a faulty gas valve is one of the possible causes. The only way to know for sure is to request a professional inspection. 3. Warm Air Delivery Failure.29 Sept 2021 ... When your old furnace is getting close to the 20-year mark, consider replacing it with a new high efficiency furnace. An EnergyStar-certified ...Being able to estimate your furnace repair costs can help you plan how to manage your winter heating bill costs. By having an understanding of potential furnace repair costs, you’l...On average, a gas furnace will last between 15 to 30 years, and in rare cases, some can last as long as 40. A propane furnace will last between 15 to 20 years, and an electric furnace between 20 to 30. Of course, regular maintenance and service play a large role in longevity. There's a difference between new and older models …How Long Do Furnaces Last? Although it would be nice if your furnace lasted forever, its average lifespan is between 15 and 20 years. If you’ve had your furnace for less than 15 years, make sure you do proper maintenance according to the manufacturer’s specifications. Once your furnace reaches 15 to …How long your gas furnace ignitor lasts depends partially on how well you maintain your furnace. You must change your filter at least once every 90 days and have a service technician perform routine maintenance on your gas furnace at least once a year. ... If you don't perform these two steps, the ignitor may not last as long, and the entire ...The great outdoors. At mid-morning, the furnace-grade heat bounced off the hard clay. I couldn’t see myself living here. My husband, Rom Whitaker, though, was excited. His eyes wer...The average lifespan of top furnace models is usually between 15 and 25 years. The actual length of time that your furnace will last depends on a number of ...How long do boilers last? First, let’s talk about lifespan. How long will your boiler last? In truth, boilers can last a long time—anywhere from 15 to 20 years . But getting your boiler all the way to the end of its advertised lifespan depends on two big factors: Proper maintenance of the boiler.The average lifespan of furnaces is between 15 and 20 years. They can break down much sooner due to a variety of reasons, and can even last much longer. Energy Star has advised homeowners that, even if the furnace is still working after 15 years, it may not be working at a higher efficiency. Efficiency is definitely something to …May 20, 2023 · First, it’s important to understand that there are several types of furnaces, including gas, electric, and oil. Each type has a different lifespan, with gas furnaces typically lasting the longest at around 15-20 years, electric furnaces lasting around 20-30 years, and oil furnaces lasting around 15-25 years. 11 Jan 2024 ... On average, a furnace can last anywhere between 10 and 20 years, depending on its usage, the type of furnace, and the size of the home it has to ...How long does a furnace last? On average, a furnace can last anywhere between 10 and 20 years, depending on its usage, the type of furnace, and the size of the home it has to heat, begins Glenn ...

Your furnace or boiler is more than 15 years old. Consider replacing with an ENERGY STAR qualified furnace, which is 15% more efficient than a conventional furnace. If you have a boiler, consider replacing with an ENERGY STAR qualified boiler that is 5% more efficient than a new, standard model. ... No one is home for long periods of the day .... Ac unit condenser

how long does a furnace last

The good news is that you won’t have to replace the entirety of the furnace since the other parts can last up to 15 years. How long it works depends on the level of maintenance that you are providing. Regular maintenance can be a great way to extend the life of the components within your furnace, keeping those expensive repairs at bay.Nov 11, 2023 · Furnaces older than 10 years may require replacement; Gas Vs Electric Furnaces: Lifespan Comparison. When it comes to lifespan, the type of furnace can play a role. Electric furnaces generally have a longer average lifespan of 20 to 30 years, while gas furnaces typically last between 15 to 20 years. This difference can be attributed to multiple ... Mar 10, 2021 · The good news is that you won’t have to replace the entirety of the furnace since the other parts can last up to 15 years. How long it works depends on the level of maintenance that you are providing. Regular maintenance can be a great way to extend the life of the components within your furnace, keeping those expensive repairs at bay. In rare cases, it can last more than 40 years, but the average lifespan tends to be between 15 and 30 years. With regular maintenance by a certified HVAC technician, there is no …However, it is important to know how long your furnace will last so you can plan for its replacement. Most furnaces last 20 to 25 years, but some may last longer. A furnace that is well-maintained and installed by a professional can usually last longer than one that has been poorly maintained or installed by an amateur.29 Sept 2021 ... When your old furnace is getting close to the 20-year mark, consider replacing it with a new high efficiency furnace. An EnergyStar-certified ...1. Your Furnace is 15+ Years Old. As previously stated, many factors contribute to how long your furnace lasts. Our furnace experts expect well-maintained furnaces to last around fifteen years. Regular furnace maintenance is similar to changing the oil in your car to keep the motor running well.How long should a cast iron water or steam boiler last? When properly installed and maintained, homeowners can roughly expect a conventional cast iron water boiler to last 20 or more years . There are plenty of examples of cast iron boilers lasting more than 50 years, but this is far from typical.Lennox furnaces often last till forty years. This is a very rare happening. Maintenance is a must for these furnaces. This is the only possible way to help the users run the furnaces for more than fifteen years. Lennox is one of the oldest and trusted brands in America, and most people rely on this company. There are people in the United States ... How long does a furnace last? On average, a furnace can last anywhere between 10 and 20 years, depending on its usage, the type of furnace, and the size of the home it has to heat, begins Glenn ... How long do Ruud furnaces last?Given how rude their repair bills are, I’d say until you decide it is a better deal to replace the whole thing than yet anothe...3 questions to help you decide. 1. How Long Does A Furnace Last? Depending on when it was installed, a furnace can work reliably for 15 to 20 years – and likely ...Understanding Furnace Lifespan. The lifespan of a furnace is a critical consideration for homeowners, with average durations spanning from 15 to 30 years. Gas furnaces typically last 15 to 20 years, electric versions can exceed 20 years, and oil furnaces may operate effectively for over 30 years with proper care.Warning signs: When you may need to replace your furnace. 1. Your furnace is 16-20 years old: A good place to start is to compare your oil or natural gas furnace age to the national average. The average life expectancy of furnaces in …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 …Like most furnaces, a Bryant furnace can last anywhere from 15 to 20 years with proper care and maintenance. However, the unit likely won’t last nearly as long without proper care or under heavy usage, so routine upkeep is essential. What does Bryant mean by “high efficiency?”Furnaces Usually Last 15-20 Years. The best advice a homeowner can keep in mind is to get ahead of the problem before this happens, especially with a furnace. The average furnace lifespan is 15 to 20 years, as long as you’re conducting annual furnace maintenance. So when your furnace starts exhibiting these warning signs, …Furnaces older than 10 years may require replacement; Gas Vs Electric Furnaces: Lifespan Comparison. When it comes to lifespan, the type of furnace can play a role. Electric furnaces generally have a longer average lifespan of 20 to 30 years, while gas furnaces typically last between 15 to 20 years. This difference can be attributed to …But thermostats don’t last forever and should be replaced. How long do thermostats last, and when should you replace yours? Most thermostats can last 10 years. After 10 years, they can show signs of age and wear, which means it’s time to replace it. Common problems with bad thermostats include faulty sensors, digital screens, etc.How long does a furnace last on average? Heat exchangers in forced-air furnaces have an average age of 15 years, but they can last anywhere between 13 and 22 years depending on a number of factors. The number normally varies between that range due to various models, makes and qualities available in the market..

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