What is MERV and why do you need to know it?
What is MERV?
MERV is the acronym for minimum efficiency reporting values, pertaining to high-efficiency particulate air filter. These can range from 1 to 16 ratings determining the capture rate for particles.
Why is it important?
The MERV is very important for if you want to make sure your filter is capturing the particles in the air. This determines the efficiency in microns of the particle size they protect against. The MERV rating helps you to decide on the filter you should buy. For example, if you or your family do not have breathing issues, you can opt for a lower rating, like 7 or 8, which is the standard installation rate. While, if you or someone in your family has asthma or allergies, you may opt for 11 or higher.
What should I look for?
When looking for your furnace filter replacements, you are looking at many aspects. The first should be the size. Knowing your size of the filter to make sure that it matches the furnace filter opening so that it sits snug, and air flow must pass through the filter. Next, decide exactly what type of filter you will need. Are there any medical conditions that require you to find a higher rate? Finally, you will need to remember that the higher the filter MERV, the more often you will have to check and change the filter as the higher the efficiency, the more particles that are collected and the more often you will have to change them.
MERV is very important for the wellbeing of your family and yourself. By deciding on what rating you will need and how often you need to change, it is important to maintain an efficient furnace and air quality for your home.
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