subject: Pros And Cons Of Buying An Electrostatic Air Filter [print this page] Reusable electrostatic air filters have been around for over 15 years, but some people still don't know much about them. This type of air filter comes in the same sizes as disposable air filters, and fits into the same place that you would otherwise use a disposable air filter (either in a vent in the wall, or in the front part of your furnace). They offer many advantages, including saving you money and being better for the environment. They have a few disadvantages also, such as higher initial cost. Let's look at the pros and cons of electrostatic air filters.
Pros of Buying an Electrostatic Air Filter
1-More environmentally friendly. Disposable filters are thrown away every 2 to 3 months, causing a lot of waste. If you buy an electrostatic air filters, you will never throw away another filter again. You just hose off an electrostatic filter every 2 to 3 months and pop it back in place. Most electrostatic filters come with a lifetime guarantee.
2-Cheaper, in the long run. Electrostatic filters are more expensive initially (about $40, as compared to $10 to $20), but you don't have to buy a new one every 2 to 3 months. Within a year, you will start seeing the savings if you buy an electrostatic filter.
3-More effective at getting allergens and air pollutants out of the air than conventional disposable filters. Electrostatic filters actually work differently than typical air filters. First, the filter attracts all the dirt and pollution in the air with static electricity. Then, certain properties of the electrostatic filter cause all these pollutants to develop a positive electrical charge. There are tiny plates in the filter that have a negative electrical charge. Just like a magnet, the positively charged dust particles, allergens, and pollutants are attracted to the negatively charged plates on the filter. The dust and pollutants are then stuck on the air filter.
Cons of Buying an Electrostatic Air Filter
1-More expensive initial investment. If you are just looking at the initial purchase price, it's obvious that you'll be spending more on a $40 electrostatic filters compared with a $10 disposable air furnace filter. If you will be in your home or condo for more than 9 to 12 months, however, you will save money by buying an electrostatic filter, since you won't have to replace it and you will buy 4 disposable filters in the same 9 to 12 month time period.
2-Can be bothersome to clean, unless you have a good vacuum. Electrostatic filters are easy to clean when you can just take them outside and hose them off, but what about winter time? If you live in a climate that freezes, and you prefer washing them with water, you will have to wash the electrostatic air filter in the bathtub or shower, then rinse down the tub. However, if you have a good vacuum, it's always easy to clean an electrostatic air filters because you can just vacuum the filter off and pop it right back in place.
by: Art Gib
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