Most individuals don’t think too much about their furnaces until it breaks down. With winter seasons around nearing, our dependency on the furnace is definitely going to increase. Therefore, it is essential that we put in the attempt to maintain our furnace.
What does a furnace filter do?
Contrary to the well-known belief, the job of a filter in a furnace isn’t only to clean your air. Its primary objective is to keep dust and other contaminants away from the blower fan. A dirty, blocked filter is not able of keeping the contaminants away, which places your blower fan at the chance of damage.
Efficiency of Furnace Filters
MERV or Minimum efficiency reporting value is used to evaluate the performance of furnace filters. MERV is a range from 1 to 16, with 1 being the least efficient and 16 being the most effective filter. However, most professionals recommend against purchasing a filter with a ranking of 16 as it can cause your furnace to keep working more hard. They are of the viewpoint that customers should look for a filter which has a MERV ranking in the range of 8 – 12. It is also recommended to examine the make of your furnace and the right MERV ranking filter it can perfectly support.
Types of Filters
#1: Disposable fiberglass
Disposable fibre glass filters are the most affordable furnace filters in the marketplace. Created from unique fiber glass that’s around 1-inch thick, these filters help avoid dirt, dust, and lint from coming into the furnace. Their MERV ranking is usually in the range of 2-3 – if you have family with bronchial asthma or allergic reaction, these filters should not be used at all.
#2: Disposable pleated
Made from polyester and pure cotton, these filters help eliminate spores, insects, and other contaminants. The MERV ranking for these filters is usually in the range of 4-6, and these are relatively affordable. If you are planning on purchasing these filters, it’s essential that you clean them regularly.