How long does furnace last

Keeping the thermostat between 60 °F and 80 °F can contribute to efficient and sustainable furnace usage. FAQs Q: How long can a well-maintained furnace last? A: The lifespan of a well-maintained furnace is typically 15 to 20 years, but routine maintenance can extend it further. Q: What factors influence a furnace’s lifespan?How Long Does an Armstrong Furnace Last? Armstrong offers a warranty of 10 to 20 years for furnaces. But, an Armstrong furnace can last well over 30 years for most households. The kind of use that you put the furnace to and the way you take care of a unit affects its life. Installation and maintenance matter, too, when Armstrong furnaces are ...The average lifespan of a furnace is 15 to 20 years ( 1 ). However, this number will vary based on the type of furnace you have and how well insulated your house is. For …How Long Does a Furnace Last? Oil furnaces can last a long time, especially if you maintain them. You might have a 10-year warranty on your furnace, but that doesn’t reflect the lifespan. In fact, most oil furnaces can last 20 or even 25 years . Depending on your circumstances, though, you may need to replace your oil furnace …Jan 8, 2020 · 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 ... Jan 11, 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 ...A quality gas furnace will last about 25 years with proper maintenance. This means changing the furnace filter often, getting the furnace inspected twice a year, and …A quality furnace can last 10 to 40 years, depending on its fuel source, maintenance, and thermostat setting. Learn the average life expectancies of gas, electric, and oil furnaces, …A little math goes a long way in knowing whether to it's time to repair or replace your heating and cooling system. It's simple: Multiply your unit's age by repair costs. If the number exceeds $5,000, it's best to replace the unit. If your total is less than $5,000, it's probably best to make repairs. You may also consider the number of times ...While the average lifespan of a furnace is technically over 40 years, it’s actually very rare that a furnace would last that long. For example, a gas furnace has a lifespan of 15-30 years. However, you’re more likely to get between 20 and 25 years with proper maintenance.Last updated: June 13, 2019. ... With quality concerns, a Goodman furnace is a cheap, short-term (up to 12 years) option, but for long-term durability, it makes sense to consider one of the premium brands; ... Make sure your contractor does a load test before choosing your furnace. This will ensure that the right size unit is installed.How does natural gas drilling work? Keep reading to learn about natural gas and how natural gas drilling works. Advertisement When you switch on your furnace or turn on your gas st...The oil furnace can be expected to last up to 15-20 years, with general maintenance and care. A shorter lifespan can be expected if general maintenance is neglected and arising issues are ignored. So now you know the general length of time that your oil furnace should keep working smoothly, but you may have some other questions …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. Of course, …In general, you can expect a well-installed, regularly maintained furnace to last about 15 years. Our climate is cold here in Toronto, and furnaces have to work hard for about 8 months every year. Make sure you know how to tell the age of your furnace before taking action. There’s an advantage to shopping for a new furnace before it breaks ...The furnace is the cheapest item for smelting metal and sulfur ore. Furnace. The furnace is the cheapest item for smelting metal and sulfur ore. Decay: 96 hours : HP: 500: ... Last Friend... Spider Furnace... Birch Furnace... Monster Furnace... Hearts Furnace... Octo Furnace... Personal Lighthouse... Furious Volcano... Сhristmas Night...Lifespan of a furnace. On average, your home’s furnace should last you anywhere between 15 to 20 years. However, diligent maintenance and timely repairs conducted by a certified technician can extend that lifespan even more. The type of fuel used also makes a difference in its lifespan. Most manufacturers offer homeowners a ten-year …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 the industry. If you're considering replacing a furnace that you didn't install and want to know the age, you can check the side or indoor panel you ...The average lifespan of an oil furnace is around 20 years, but it can last anywhere from 15 to 30 years depending on how well it is maintained and how efficiently it runs. The age of the furnace can be determined by looking at the serial number, which can often be found near the blower motor or on the motherboard.Dec 29, 2023 · 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. How Long Do Furnace Thermocouples Last? Furnace thermocouples typically last up to ten years but can often last much longer depending on how much you’re heating your home each cold season. ... the numbers stamped on the nut holding the thermocouple on the bracket is C1432TP75L with the two leads is about 15 “ long,it’s on …As 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...A Lennox furnace is a fantastic investment for your home, but how long does it last? The average lifespan of Lennox furnaces is 15-20 years. This means that if you purchase a Lennox furnace and follow all the recommended maintenance, you should be able to enjoy your new furnace for at least 15 years.In general, you can expect a well-installed, regularly maintained furnace to last about 15 years. Our climate is cold here in Toronto, and furnaces have to work hard for about 8 months every year. Make sure you know how to tell the age of your furnace before taking action. There’s an advantage to shopping for a new furnace before it breaks ...If your furnace is getting older, you may be wondering how long you can expect it to last. The average service life of a gas furnace is about 15 years, ...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.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-lasting …With busy lives, it's easy to let chores around the house slip through the cracks. Corral the details into this customized planner to help you track everything from daily chores to...Electric furnaces can last from 20-30 years. Since electricity shouldn't cause build-up of any kind on the parts of your furnace, it endures less strain than ...THE AVERAGE FURNACE LIFESPAN. 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. Of course, furnace lifespan can be a bit subjective – how many times you are willing to make repairs and when does a repair cost make it more practical to ...Mar 1, 2022 · How long does lava last in a Furnace: Minecraft. Lava buckets have a burn time of 20,000 ticks. When converted to real-time it comes to around 1000 seconds. However, a block of coal has a burn time of 16,000 ticks. To put this into perspective, a nether brick is the cheapest source of fuel, burning for 20 ticks. The news from your HVAC repairman that you need a new furnace is definitely not a welcome experience. Use this guide to find the top reviewed Bryant furnaces when replacing your fu...Jan 27, 2021 ... How long will a gas furnace last? If you want to pin us down to a generalized answer it would be 15-20 years. That lifespan can be significantly ...Ultimately, the lifespan of a furnace can vary depending on the environment and how well it’s cared for. But, on average, furnaces last 15-20 years. Regular maintenance and proper care can serve to extend the life of your furnace while skipping maintenance and ignoring environmental factors can shorten it. Take care of your furnace and ...Nov 18, 2023 · By choosing HOP Energy, you can make informed decisions about your home furnace, ensuring a warm and comfortable living environment for years. 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 and tear, and staying informed about ... Most furnaces last about 15 to 20 years with regular upkeep. Although this is a long time, there are several factors to consider when figuring out if your furnace can last that long. You should match your furnace to both the size of your house and how much heat you need to keep it warm.Ultimately, the lifespan of a furnace can vary depending on the environment and how well it’s cared for. But, on average, furnaces last 15-20 years. Regular maintenance and proper care can serve to extend the life of your furnace while skipping maintenance and ignoring environmental factors can shorten it. Take care of your furnace and ...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.How Long Do Furnace Ignitors Last? Most furnace ignitors last about seven years. The lifespan of your furnace ignitor will depend partly on how well maintained your system is. Regularly changing furnace filters and scheduling yearly technician maintenance is key to getting the most out of your ignitor.The average lifespan of a furnace is 15 to 20 years ( 1 ). However, this number will vary based on the type of furnace you have and how well insulated your house is. For …A quality gas furnace will last about 25 years with proper maintenance. This means changing the furnace filter often, getting the furnace inspected twice a year, and … These features allow their furnaces to heat and cool your home for a long time. In most cases, it’s possible to get an extended warranty with your Trane furnace to help safeguard your investment. As a result, you can expect your furnace to last for about 20 years. 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.Dec 20, 2023 · The Lifespan of the Average Furnace. Furnace systems last 15 to 20 years on average. It’s harder to arrive at exact numbers because factors like maintenance, levels of insulation, and the type of furnace you have can all influence your unit’s lifespan. For instance, an electric furnace can last up to 30 years because it has far fewer moving ... 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 …Keeping the thermostat between 60 °F and 80 °F can contribute to efficient and sustainable furnace usage. FAQs Q: How long can a well-maintained furnace last? A: The lifespan of a well-maintained furnace is typically 15 to 20 years, but routine maintenance can extend it further. Q: What factors influence a furnace’s lifespan?Not all furnaces are created equally; some have longer average lifespans than others. Electric and natural gas furnaces typically last between 15 and 20 years, while oil furnaces can last up to 25 years if well-maintained. …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. Cast iron steam boilers may have a shorter lifespan. This is primarily due to outside factors like water ...Feb 8, 2021 · They are also the most efficient with a rating of 65% to 98% in most cases. Although they do tend to cost more, gas furnaces are worth it with such a high-efficiency rating, long lifespan, and least monthly cost to run. A quality gas furnace will last about 25 years with proper maintenance. This means changing the furnace filter often, getting ... Jan 5, 2024 · 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. Typically you can expect about 15-20years. One thing to bear in mind is it's not always about years, it's about use. I live in GA so honestly the furnace gets limited use, 2-3 months a year. At my last house both furnaces were 25 years old and in perfect working condition.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.The cost of installing an outdoor wood furnace is offset by the long-term savings of running it compared to conventional gas heating. Wood heating costs a fraction (usually less than 10%) of what electric and gas heating costs. ... When well-maintained, they should last a lifetime. How Long Will an Outdoor Wood Furnace Burn for? Many …6″ Furnace Filter: 9 – 12 Months. Some noticeable signs also indicate your filter should be changed. The filter appears gray with dirt and debris visible on the filter’s surface. You notice more dust throughout your home. The furnace or air conditioner is running longer than it typically does.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 ...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: Typical Lifespan of a Gas Furnace. On average, a gas furnace can last between 15 to 20 years. However, this lifespan can vary significantly depending on several factors, including the quality of the furnace, its maintenance, and the conditions in which it operates. Some high-quality furnaces can last up to 30 years with proper care and maintenance.The average lifespan of a furnace is 15 to 20 years ( 1 ). However, this number will vary based on the type of furnace you have and how well insulated your house is. For …Number of AC Units. If your home is large enough to need multiple units, AC replacement will take substantially longer than if you only need one unit. The average AC …A furnace blower motor usually lasts about the same amount of time as the furnace. So, you should expect your furnace blower motor to last between 10 to 20 years on average. The more reliable the brand, the more likely it is to reach the 20-year mark without serious problems.If you've kept up on maintenance and have a reliable brand of equipment that was installed by a quality HVAC company, it's common to expect 12-15 or more good ...(888) 345-1639. Furnaces, like most other home appliances, require regular maintenance and service to achieve the longest possible service life. Still there are other factors to …There are mixed opinions about furnace life expectancy. 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.A natural gas furnace will typically last anywhere from 10 to 30 years. The unit's make, model, usage, and maintenance will determine how long the unit will last. Of course, scheduled annual maintenance and speedy repairs can go a long way to ensuring that your furnace will last as long as possible. Sometimes a gas furnace will stop … 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. To give you a better idea of how long you can expect your furnace to last, here are the average lifespans of different types of furnaces. Oil Furnaces – 15 – 20 years. Propane Furnaces – 16 – 20 years. Electric Furnaces – 20 – 30 years. Gas Furnaces – 15 – 30 years. If you need a new furnace click here to learn more about the ...Here’s the short answer: Furnaces can last from 5 to 30 years. That’s quite a broad furnace lifespan range. Most furnaces will last anywhere from 10 to 20 years. Most homeowners would like their furnace to last 30 years and would hate if they would have to replace a furnace after merely 5 years. Furnaces last, on average, for 10 to 20 years.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. A good electric furnace will last you about 30 years or more. Installing an electric furnace can be less than half the cost of installing a gas furnace. But the cost to use the electric furnace is a lot higher. Where a gas furnace may cost you $100 to $150 a month during the winter, an electric furnace can run up to $500 a month or more.How long does a furnace last? And how to make it last longer homevalueplus.infoHow Long Does a Comfortmaker Furnace Last? Comfortmaker furnaces are some of the most durable and long-lasting units on the market. Some users report having them for as long as forty years. While the average lifespan of a typical furnace is 15 to 30 years, Comfortmaker furnaces last around 30 years on average.Typically you can expect about 15-20years. One thing to bear in mind is it's not always about years, it's about use. I live in GA so honestly the furnace gets limited use, 2-3 months a year. At my last house both furnaces were 25 years old and in perfect working condition.When you own a home or a business with a furnace, eventually you’ll be checking out the price for a new furnace, and wondering how much installation will cost. Use this simple guid...6″ Furnace Filter: 9 – 12 Months. Some noticeable signs also indicate your filter should be changed. The filter appears gray with dirt and debris visible on the filter’s surface. You notice more dust throughout your home. The furnace or air conditioner is running longer than it typically does.When it comes to purchasing a new furnace, finding a reliable and trustworthy dealer is crucial. After all, your furnace is an investment that will provide warmth and comfort to yo...Average Life Expectancy of a Furnace. The average life expectancy of most furnaces and heating systems is about 15 to 20 years. However, boilers and electric …A well-maintained furnace can last at least 15 to 20 years, but factors such as size, installation, maintenance, and thermostat settings can affect its lifespan. Learn how to …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 ...Jan 11, 2024 · 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 Wiseman, experienced Residential Air System Design Technician (RASDT). 'A furnace run constantly in a big home is more likely to wear out quicker than a ... What you need to know about furnace installation begins with understanding the type of furnace that best suits your needs. Goodman Company offers a large selection of furnaces desi...When it comes to purchasing a new furnace, finding a reliable and trustworthy dealer is crucial. After all, your furnace is an investment that will provide warmth and comfort to yo...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 last 15-30 years and ...On average, the entire cost for replacing a furnace including materials, equipment and labor is $5,500. According to HomeAdvisor, the price range is typically between $2,572 and $6,221, depending on the type and size of the furnace. Here’s a breakdown of furnace replacement costs by type. Type of Furnace.Nov 17, 2021 · 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, please don’t put ... With busy lives, it's easy to let chores around the house slip through the cracks. Corral the details into this customized planner to help you track everything from daily chores to...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 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 ...Jun 14, 2022 · Generally speaking, an air conditioner or heat pump has a service life expectancy of 10 to 12 years, while you can expect a furnace to last for 15 to 20 years. Those spans are affected by a number of factors that you can control, such as regular maintenance and filter changes, and some that you can’t, including weather conditions and the how ... 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 every few years.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 ...Due to the lack of a convenient drain, it drains into a small-sized Flotec condensate pump which pumps up and across the ceiling to a drain on the other side of the room. When the humidifier is running the pump runs every 3.5 minutes. Worst case is probably when the outside temp is about 25F and the humidifier is running maybe 50% …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.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-lasting …Jan 5, 2024 · 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 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 motors are created equal. …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: The short answer is between 15 and 20 years. However, different factors may increase or decrease the average lifespan. The average furnace usage, location, quality …THE AVERAGE FURNACE LIFESPAN. 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. Of course, furnace lifespan can be a bit subjective – how many times you are willing to make repairs and when does a repair cost make it more practical to ...Boilers actually last longer than furnaces do. Along with requiring fewer repairs, their low cost, and their quiet operation, one of the other appealing advantages of boilers is their long life span. While the average furnace lasts 15 to 20 years, boilers can last up to 30 years.Feb 12, 2023 ... How Long Does the Typical Gas Furnace Last? ... Typically, the average lifespan of a gas furnace is between 15 and 20 years. This can be extended, ...A little math goes a long way in knowing whether to it's time to repair or replace your heating and cooling system. It's simple: Multiply your unit's age by repair costs. If the number exceeds $5,000, it's best to replace the unit. If your total is less than $5,000, it's probably best to make repairs. You may also consider the number of times ...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. They can last up to 10 years if properly maintained and installed. I am often asked about troubleshooting a thermocouple on gas systems. This will be a permanent reference that will give a step-by-step procedure. A thermocouple is a device used to satisfy pilot safety on many 24 volt gas systems. The thermocouple is a device made up of two ...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. 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. You can prolong the life of your oil furnace by ensuring that it is maintained properly, avoiding costly repairs and unnecessary safety ... The average lifespan of an oil furnace is around 20 years, but it can last anywhere from 15 to 30 years depending on how well it is maintained and how efficiently it runs. The age of the furnace can be determined by looking at the serial number, which can often be found near the blower motor or on the motherboard.The life of an oil furnace can be anywhere from fifteen to twenty years, depending on its maintenance. In fact, the average oil furnace will last up to 20 years ...The average lifespan of furnaces is 15 - 20 years. However, lifespans vary among the different types of furnaces. Gas furnaces last 15 - 20 years, boilers last 15 - 30 …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. Cast iron steam boilers may have a shorter lifespan. This is primarily due to outside factors like water ...How long does a furnace last? And how to make it last longer homevalueplus.infoMost furnaces last about 15 to 20 years with regular upkeep. Although this is a long time, there are several factors to consider when figuring out if your furnace can last that long. You should match your furnace to both the size of your house and how much heat you need to keep it warm. | Csmxfnksmmsf (article) | Mycel.