How to Know When It’s Time to Replace Your Furnace


All across the USA, from Seattle, to Fort Wayne, to Boston, there will come a time where you will need to crank the heat in your home. However, there will eventually be a time where your beloved furnace needs to be replaced by a professional (such as

Over time, these will wear down and simply won’t work how they used to? But how do you know when your furnace is on its last legs and it’s time for a replacement? Well, that is exactly what this article is going to take a closer look at.

It is Old

If your furnace is beginning to get up there in age, that is a telltale sign that it might be time to look for another one. In general, a furnace will last for between 16 to 20 years in most cases, but can vary a bit based on brand and quality. Sure, there are parts that you can replace and repair if they are malfunctioning, but it will eventually be time to replace the whole thing.

Over time, the furnace will be used enough that it will show signs of wear. It might not look any worse, but it’s performance will surely suffer more and more over the years. The last thing you want is for your furnace to completely die on you and leave you without heat, so it’s best to replace it before it becomes too late.

It Needs Constant Repairs

If you find that you are constantly making repairs to your furnace every year, it could be a warning sign that it’s time for a replacement. While the odd repair is fine, if it starts to become a common occurrence, you may just be wasting your money constantly fixing up a furnace that is clearly on its last legs.

Also, the types of repairs needing to be done might be able to help you pinpoint the right time for a replacement. Small things can be fixed and the costs are tiny enough to make sense, but if major repairs start popping up, it may make sense to buy a whole new unit. For example, if something major like your heat exchanger is malfunctioning or wrecked, oftentimes the costs of repairing the part doesn’t make sense and you’re better off replacing the entire thing.

There are Strange Noises and Smells

While most furnaces won’t be completely silent, you will eventually become used to the small noises they make when they start up and when they are operating. If you begin to notice a whole new sound they are making, it could be a cause for concern. This includes rattling, buzzing, clanking and other sounds.

Different sounds can have different meanings, so be sure to do some research and/or have an expert come out and examine the furnace to see what could be wrong. In addition to noises, you also need to be aware of the smells that may come from your furnace. If you smell something musty or dusty, the furnace could be to blame.

Also, smelling rotten eggs or burning plastic could also be a sign that a furnace needs to be replaced. If you smell or hear anything out of the ordinary, be sure to turn the furnace off immediately and call a professional for some assistance. If not, you could damage the furnace beyond repair or other issues could arise.

Getting a New Furnace

Over time, your furnace will begin to deteriorate and you will need to replace it. By considering the aforementioned things, you will be able to know the right time to replace it.