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When it Comes to Furnace Size: Bigger isn’t Always Better

By February 18, 2021September 15th, 2022No Comments

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Taking the perspective from Tim “the Tool Man” Taylor that bigger is always better does not actually work for your heating system. Ensuring your furnace size is properly fitted to the building and your heating needs is important for more than just the cost of the system. Rather, there are several things you’ll experience if your furnace is too big for your home in Clarksville. Here’ some of what you may experience.

Uneven Heat Distribution

When your furnace cycles, you want to see your home heat evenly, so it is comfortable throughout the entire space. Unfortunately, having some hot spots or cold spots is common, even with a well-balanced heating system. The idea of a larger system heating your home more effectively is a fallacy when the issue is more of balance than system output.

However, when you have a system that is too powerful for your home, those spots become much more pronounced. The hot spots will become unbearably warm, while still leaving the cooler spots cool. The hotter air from a stronger system only pushes more heat into the areas that are already disproportionately receiving the heat. (continue below)

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Less Efficient

Energy efficiency is something most people want more of, but do not always understand. Your system’s efficiency is simply a function of how much energy you use to heat your home to a comfortable level.

Unfortunately, there is a minimum operating capacity for all furnaces. And then it can go up from there. When your system is too big for your home, you actually do not use the full minimum capacity. This means there is so much gas and electricity needed to make your system run, but it is more than needed to heat your home.

This leaves you with a more expensive unit and a higher operating cost than getting a properly sized unit. Even a high-efficiency unit that is too large will cost more to operate than it should if it is too big for your application.


Short Cycling

Short cycling is when your system turns off before it has had a chance to warm your home to your desired temperature. The short cycling is caused by your system overheating and triggering a shutdown to prevent damage.

When your system is too big for your home, it produces more heat than it can circulate out into your home. This causes the buildup of additional heat and the short cycling.


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Shortened Service Life

Your system is not designed to start and stop frequently. Given the additional heat, it contains, it puts additional strain on all the electrical wiring and connections.

Components like the fan require an electrical capacitor to get it started. With the frequent restarting that comes with short cycling, you reduce the length of time the capacitor will work.

The overall effect all of this has on your system is that it will shorten the service life. A typical heating system should last 15-20 years. When you have a system that is constantly short cycling and overheating, you may reduce your system to as low as 10 years.

This is why it is so important to get a system that is properly sized for your house in Clarksville. When you work with an experienced HVAC team, getting the right system for your house is more important than a larger sale. Give our team a call to schedule your consultation to ensure you have the right size furnace when it is time to replace your system.


Call an Experienced Professional if Your System is Malfunctioning

Do you have an extremely old system? Are you seeing or hearing things that weren’t there before? If you suspect that the system is not working properly, you should call a professional as soon as possible.

A few signs that the system is in trouble include abnormal noises or smells, an extremely cold home, expensive bills, and frequent shutoffs. Regardless of the concern, an experienced professional can solve the problem and perform the necessary repairs before an emergency occurs.

Prevention and AC Tune-up costs are much more reasonable than having a costly repair later. Whether you live in Clarksville, TN or somewhere close by, the professionals at DOC Heating and Cooling are ready to help. The highly-trained technicians are available 24/7 for emergency calls and for regular maintenance to help keep your heating & cooling system running smoothly.

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Whether you live in Clarksville, TN or somewhere close by we are ready to help. Our highly trained technicians are available 24/7 to keep your heating & cooling system running smoothly.

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