If you want to keep your house high air quality, and healthy, it is important that you examine the air filters from time to time and replace if necessary. The trick is knowing when to be replaced, otherwise you may lose a lot of money over time.
The filters can be replaced every month or every six months. It depends on the effectiveness of it.
Inefficient air filters
Filters can be low cost to help you save money, but over the long term it will prove more costly and dangerous to health. These low cost filters do not last more than a month because they are clocked at the dust very quickly. More than that, they do not filter the air too much and you will end up with dust circulating your home.
Efficient air filters
Good filters are measured in the MERV ratings. The higher the rating the better the filter is to stop dust and allergens from entering your home and your health. Although you may need to replace them every month or two, they will collect more dust than a filter less air.
The effects of climate
Changing the filter also depends on where you live. For example, in areas of the Southwest, the air is dry and dusty too. Also the wind can affect the filters. Change them often to prevent respiratory problems.
Seasonal factors
In the summer months the air filters will collect more dust than other seasons. If the weather is wet it will be less dust in the atmosphere and thus the filter can be changed less frequently.
Indicators of change
Some air conditioning systems have an indicator that tells you the level of dust in the air. Thus, the scale may say you clean the filter or filter change.
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