What Type of Replacement AC Filter Should I Buy for My Current System?

The American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHARE) recommends a MERV 6 or higher for air conditioning systems. Most people opt for a MERV 8 filter, which is capable of removing contaminants from MERV 8 to MERV 13. Hospitals usually use MERV 14 to MERV 20 filters. To make sure you get the right replacement filter, it is important to check the size of your current filter. Most filters have the sizes listed on the side, including the length, width, and depth in inches.

Timely replacing your oven filter is much easier when you know what size air filter you need. Air conditioning filters are available in many different sizes, so it can be overwhelming if you're not sure what size filter you need. Owen also observed that wildfire smoke is a complex mixture that incorporates both physical smoke particles (which filters permanently trap) and water vapor and volatile organic compounds (gases), which are not trapped and the latter create the smell of smoke. An electrostatic filter is a filter made from a medium that undergoes a process to “charge” it, thus creating that attractive quality.

An easy way to choose a replacement filter is to simply buy the same filter that you are already using in your system. When you place an order for the best air conditioning filters with Filter King, you can be sure that delivery will arrive on the scheduled date. During a wildfire, you'll need to change filters more often than you would under normal air conditions, and there are some indicators that can help you know when it's time to replace one. With the MERV 13, the highest rating you'll find for most popular residential HVAC filters, you can count on the filter to stop bacteria, smoke, and other microscopic particles.

It's not a standard size, so some consumers have a hard time finding air filters that fit their climate systems. Some filter brands and retailers use alternative scales, such as Home Depot's Air Filter Performance Rating System (FPR) or the MPR (on 3M Filtrete air filters). However, the air filter is a small and often inexpensive part that makes these heating and cooling systems work properly. Installing an air conditioner filter with protection against microallergens will help prevent these attacks from occurring in the home.

We recommend removing the existing filter and measuring the filter to confirm the actual dimensions. These medical and industrial air filters are expensive and are not always designed for home use. Nordic Pure MERV 12 filters are available in many sizes, so you should be able to find one that fits the return vent opening. Knowing what type of replacement AC filter to buy for your current system is essential for ensuring your HVAC system runs efficiently and effectively.

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