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Common Problems With An Oversized Furnace 

Jun 5

furnace Plano, TXMany people think that the larger the furnace Plano, TX, the better. But that's not always the case, especially when it comes to home heating. Since an oversized unit has a higher BTU rating and power, it might provide more conditioned warm air throughout your space, making it extremely uncomfortable.

Here are the other problems caused by a larger furnace Plano, TX.


It's normal for a furnace to turn on and off in response to changes in temperature. It's estimated that cycling should happen about three to eight times per hour. But, an oversized unit can turn on and off more frequently due to the higher BTU rating.

When this happens, your system is working harder than necessary and will wear down quickly. Additionally, short-cycling can lead to a fire if left unattended for quite a long time.

High Energy Bills

Since an oversized furnace uses more energy to heat your home, you'll see an increase in your utility bills. In some cases, a single cycle of the furnace can use hundreds of kilowatts of electricity, which can be quite costly.

So, even if searching for a furnace Plano, TX might not be easy, make sure to take your time as all of your efforts will be worth it and not go to waste.

Uncomfortable Temperatures

An oversized furnace will heat your home too quickly, leaving some rooms uncomfortably hot while others are still chilly. This is because the unit can't modulate its output to match the needs of your home. So, you'll likely find yourself constantly adjusting the thermostat to achieve a comfortable temperature in every room, which can be inconvenient and may disrupt you while sleeping or working.

Your Unit Won't Last Long

Since the unit is forced to perform more than it was manufactured for, there's a high chance that you'll have to replace or service it more often than necessary. A large furnace can also overheat and shut down, which can cause extensive damage to the unit and may even lead to a fire.

Extra Wear and Tear

Oversized furnaces also tend to vibrate more than smaller ones, which can lead to extra wear and tear. The constant vibration can loosen electrical connections and cause the system parts to fail. In addition, the repeated cycles of heating can cause the metal components to contract and expand more frequently, which can result in cracks. In some cases, it might also affect your health, causing breathing problems and irritation in the eyes, nose, and throat.

Premature Equipment Failure

A large furnace can also result in a number of potential problems that could affect your equipment. For instance, you may have to deal with condensation on your windows, which can lead to mold and mildew growth. Plus, the unit may overwork your ductwork, leading to leaks and eventually, system failure.

Noisy Operation

The higher the BTU rating of a unit, the louder it's likely to be. This is because an oversized furnace works harder, causing it to sound like a jet aircraft taking off in your home. If you're not a fan of noise, you might end up turning the unit off or sacrificing comfort.

Need Help in Finding the Perfect Furnace Size for Your Home? Spencer Air Conditioning & Heating has You Covered!

Aside from having a wide access to efficient and quality furnace Plano, TX, Spencer Air Conditioning is committed to helping their clients find the right size of a heating system and they make sure to consider factors like your home and the climate in your area. so, if you are interested in learning more about the services of Spencer Air Conditioning, please feel free to give them a call at 972-446-2665!