We shouldn’t always assume that the quality of air inside our homes is so much better than outdoors. Whatever happens outdoors, car pollution, smoke, or the chemical use of sprays, eventually does enter our homes.
You need air filters for your system to keep on performing well. When you don’t change your filters, your air system will be rather pointless. Some air filters can be a bit costly, so here’s a quick guide on how to buy one that suits your budget better while also giving you fresh, clean air and a healthy environment for you and your family.
When buying an air filter you need to know about the different types. Doing a bit of research will go a long way for you in terms of figuring out what kinds are the best. Try to compare and make sure you check out reviews. Try to go through a couple of sites, such as 14x30x1. But first we’ll tell you about the MERV (Minimum Efficiency Reporting Value) rating system. This system measures how well the filter removes particles in the air such as dust, dust mites, pollen, among other particles. The highest MERV filter doesn’t have to be the best because sometimes when too high, the filter actually prevents air from going through the filter. For home use, it’s recommended to go with a MERV rating between 11 and 16.
There are 5 types of filters:
HEPA: HEPA (High Efficiency Particulate Air) technology is the normal standard of a good air filter and are the most popular choice. They eliminate 99.97% of common airborne allergens.
Flat fiberglass: They are relatively cheap with easy installment. Despite their affordability, they are not that effective in capturing particles. This means the air is just moving round and round with the same unhealthy particles in it.
Pleated: These can trap around 45% of particles. People who suffer from various types of allergies might prefer this over fiberglass. They are usually rated around 10-13 on the MERV scaling.
Electrostatic: The electricity of these filters attract charged air particles. Their lifespan is around 6 months, which is an advantage over the fiberglass and pleated filters which normally last around a month. Their drawback is that they do not catch certain particles like smoke. Plus, some reviews place them as creating harmful ozone substances, and they’re a bit costly.
Washable: Since you don’t have to replace them regularly, they will save you money, but don’t work as well as any of the others mentioned.
Size is the next factor to check when purchasing.
You need to take the measure the size of your system. A filter needs to fit properly and be snug. When buying, you will see on the box a size written on it. Check and know if the size written is a nominal size or the actual filter size, since that could be up to half an inch difference.
Changing your filters regularly is a must-do. How often to change will depend on what type of filter you are using. If it’s a single occupant home with no pets, you can change less often. If you have an allergy or own a pet, change more often. Regular changing will keep the air fresh and air quality on top.
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