![]() ![]() Homes with pets or smokers can benefit from electrostatic filters. The charge allows them to collect more particles. Clean them with a vacuum and water.īoth disposable and permanent filters are available in electrostatic versions, which self-charge as air passes through them. Also called washable filters, they have either an aluminum or plastic frame and are more efficient than disposables. Permanent reusable filters are expensive, but last up to 5 years with proper cleaning (every 3 months). Fiberglass filters have the lowest MERV rating and should be replaced monthly, so consider that when you are pricing them against longer-lasting pleated filters. This is the cheapest, but also the flimsiest. Pleated filters should be checked monthly, to make sure there are no blockages, and replaced every 3 months.Īnother type of disposable filter is made of fiberglass. They vary in price from a few dollars up to $40, depending on the rating, size and brand. The most common filters are the disposable, pleated variety. Check with your furnace manufacturer to determine if your model has a recommended maximum MERV rating. Most furnaces work best with a filter rated between 8 and 11. The highest rated filters may not allow enough air to flow through and can make your furnace work harder (less efficiently). Higher ratings aren’t necessarily better, however. The higher the rating, the more particles the filter will trap. How Filters are Ratedįurnace filters are rated on the MERV (minimum efficiency reporting value) scale, which runs from 1-16. The furnace filter is only effective until it becomes full, however, so to keep your furnace, functioning properly, it should be replaced with a new one every 1-3 months, depending on the type. ![]() It prevents damage and excess wear on your furnace it helps keep your furnace running efficiently and it keeps all that dirt from recirculating in your home, reducing allergens and improving your indoor air quality. The purpose of the furnace filter is to keep all of that dirt from collecting in the blower fan. When the air comes into the furnace through the return ducts, it typically carries with it dust, hair and other debris. This is known as “forced-air.” What a Furnace Filter Does While there are different models, most furnaces work by drawing in air from return ducts throughout your home, warming it over a heat exchanger, and then blowing the heated air with a fan through ducts that open into the various rooms. This is one of the simplest, low-cost steps you can take to protect one of the most important investments in your home. If the blower fan is located on the right side of the furnace, then the air flow will be towards the left side of the room.Maybe it is on your to-do list, or maybe you’ve thought about putting it on your to-do list… If replacing your furnace filter is not part of your regular home maintenance, though, it should be. If the blower fan is located on the left side of the furnace, then the air flow will be towards the right side of the room. The air flow is usually determined by the direction of the blower fan. The air flow is used to circulate the heated air throughout the room. In conclusion, a furnace is a heating system that heats up a room. It goes through the furnace, and out of the house. The return air pipe is on the bottom of the furnace. The cold air pipe is on the right side of the furnace. You’ll notice that the hot air pipe is on the left side of the furnace. The second is the cold air pipe, and the third is the return air pipe. When you’re looking at your furnace, you’ll notice that there are three pipes. You’ll also notice that it goes up and down. You’ll notice that the air flow in your furnace is on the left and right side of the furnace. You’ll notice that they both have different colours. One is on the top, and the other is on the bottom. There are two fans that are inside your furnace. They open and close to help you adjust the temperature inside your house. These doors are on the front and back of your furnace. You’ll also notice that there are two doors. ![]() You should be able to see these vents when you look at your furnace. When you’re looking at your furnace, you’ll notice that it has vents on the sides and the top. Read more: How to remove rust stains from plastic tub This is because it helps to move the hot air through the furnace, and then out of the house. The air flow in your furnace is a vital part of its operation. Check for air that is blowing out of the room. Look for air that is blowing into the room. Step 3: Look for ducts that have a large opening. Are they straight or do they turn? Are they attached to the furnace or do they run through the ceiling? Is it in the basement, attic, or attic fan? Is it in the attic or the basement? How to determine furnace air flow direction?
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