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The HVAC system is one of the greatest investments that you might possess in your home. This is because of the overall cost of purchasing and additional installation costs that can be quite expensive. That is why you must make regular preventive maintenance routines to ensure they work optimally.

One of the steps is changing the filters since they often get clogged by dust making them less effective with time. Replacing the filters is a simple task that you can DIY. However, it’s also complicated when you don’t know the process or how to get the right measurement. Before installing, you must determine the right size and type for easy installation. If unsure, you can contact professional to guide you on getting your custom filters. This article will explore tips to get the right HVAC filter size.

Why Does The HVAC Filter Size Matter?

You get many advantages by having the right size of HVAC filters. When you get the wrong air filters, your HVAC will fail to perform effectively, which means you lose money by getting the wrong filter. When a filter is too small, it will leave space where dust particles and other debris can enter, while a large filter won’t fit your HVAC. When the air is not filtered, you and your family might suffer health conditions.

1. Consider Your Existing Air Filter

When replacing your HVAC system, always measure your existing air filter to ensure you get the right replacement. Most air filters will have their sizes printed on the side, including the depth, width, and length. Most measurements are done in inches, but you need to confirm because some manufacturers might use other measurements. They are often listed from length, width, and depth, such as 14x24x1. It’s crucial to note that the air filters are often standardized, which means you can find an air filter with the same dimensions.

2. Measure It Yourself

Air filters come in different sizes, and not all have the sizes stuck on the sides. If your air filter does not have a size printed, you can do the measurement yourself. However, you need to use a standardized measuring tape and do some math on the replacement’s length, width, and depth. You can also search online for a measurement tutorial. The measurement you need for your air filters must be larger than the actual size you measured. For example, if your air filter is 14x24x1, you might get a measurement of 14.5 for the length of 23.5 by 5 inches. That’s why you need to round it to the inch. You can always consult with an expert to get the right measurement.

3. Measure Air Filter or Air Register Slot

When your HVAC system does not have an air filter or cannot check its size, you can measure the slot it goes into. Measuring this slot can be very challenging, but it’s often straightforward. It will be the same as measuring the air filter; you must measure the length, width, and depth.

Final Words

Always ensure you have the right measurement before you purchase your air filters to avoid one that is too big or too small. You can consult with the experts to help you determine the right air filter size your system will need.