It’s important to consider how much heating and cooling capacity your home needs before replacing your HVAC system. If your home is located in a region requiring less heating or cooling, a larger HVAC system can lead to a waste of energy and money.

When it comes to heating and cooling, many people make the mistake of buying a unit that is too powerful and big for their home. In the following paragraphs, we’ll discuss how a home’s comfort and energy efficiency could suffer if the HVAC system is oversized. And also, we will talk about the tips for choosing the right size HVAC unit.

5 Drawbacks of Purchasing Oversized HVAC System

• Cost You More

An oversized HVAC unit will cost you more than a properly sized unit. When the thermostat detects that the system has cooled to the desired temperature, it will turn off the unit even though it has not yet finished cooling the entire house. This happens when the HVAC system is too large. 

The term for this phenomenon is “short cycling.” When an air conditioner short-cycles, it fails to run for the full amount of time it is supposed to, causing unnecessary wear and tear. There will be decreased efficiency and an increased likelihood of a breakdown compared to a properly sized unit. The cost of fixing a number of things around the house throughout the summer can add up quickly.

• Higher Utility Bills

You already know your electric bill rises in the summer, especially if your HVAC system constantly runs to combat the heat. However, your summer energy costs will skyrocket if you have a large air conditioner installed in your home. This is because an oversized air conditioner works harder to achieve the desired temperature inside the home. Unfortunately, the increased cost of electricity might not translate into a cooler house.

• Shorter Lifespan

According to the best HVAC companies, selecting an air conditioner that is too large for your home can shorten its lifespan significantly. A larger unit could look better at first. However, an overly large AC unit will break down much sooner than usual. The short cycle that we stated earlier is a contributing factor to premature wear and tear.

• Too Cold or Hot

If your home’s HVAC system is too big, it will cool or heat your home in one swift burst instead of the more comfortable, steady cycle. More consistent heating or cooling experience is achieved when the temperature changes gradually. Oversized heating and cooling systems can lead to hot and cold zones inside the home.

• High Humidity

You definitely don’t want your HVAC system to add to your home’s already oppressive humidity levels. When the air conditioner is the correct size for the home, it can run long enough to eliminate most of the excess humidity. But if your HVAC system is too big for the room, it can only cool the air for a short period.

As a result, the humidity will still be present in your home. Because of the increased humidity, mold growth is another issue to consider. Mold can grow in your house if the humidity is too high, and it will thrive in the ducts. The only way to get rid of mold in your ducts is to have them cleaned by a professional.

How to Choose the Right Size HVAC Unit?

The local HVAC companies you consult will guide you in making the right decision when purchasing a new HVAC unit. Before considering the features of an HVAC unit, you should also do a load calculation. 

A load calculation is a very precise method of measurement. The builder will consider factors like the square footage, the number of windows, and the overall design of your home. A professional will use these criteria to determine what size of air conditioner you require.

As soon as you have those measurements, you can begin narrowing your search to the models that are a good fit for your house.

What to Do If Your HVAC Isn’t Working Properly?

It’s possible that your HVAC system is not of the proper size for your home if turning it on and adjusting the settings doesn’t produce the desired level of cooling.

Remember that the capacity of your system should be sufficient to maintain a comfortable indoor temperature on a typical summer day. The typical system should be able to keep the indoor temperature 20-25 degrees.

How Will We Help You?

Total Comfort Solutions cares deeply about the safety of the air that you and your loved ones breathe every day. We can assist you in determining if your current HVAC system is enough or recommend a new system if you’re thinking about upgrading. In addition, we provide high-quality HVAC unit cleaning and repairing service that will make your system work efficiently. Contact us now to schedule a meeting.

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