Question: Is A 2 Inch Filter Better Than A 1 Inch?

Why is my house so dusty?

Dust accumulation in your home is a product of airflow, either because too much dirty, dust-filled air is floating around your home or because not enough air is spreading through the home, allowing dust to settle..

How tight should an air filter fit?

The filters don’t need to fit with an “air tight” seal, but you should be able to easily install and uninstall your filter without a struggle, plus the filter shouldn’t be so small that it moves freely within your unit.

What is the best air filter for home?

So here is my list of The 10 Best Furnace Filters.FilterBuy 1″ Furnace Filters. … AIRx ALLERGY 1″ Furnace Filters. … Filtrete Micro Allergen 4″ Furnace Filters. … X6673 Lennox 4″ Furnace Filters. … Filtrete Clean Living 1″ Furnace Filters. … Electrostatic Washable 1″ Furnace Filter. … FilterBuy Allergen 1″ Furnace Filters.More items…•

How often should I change my air filter?

Here are averages that may help you know how frequently you should get a new air filter at your residence: Vacation house or single occupant and no pets or allergies: every 6–12 months. Common suburban home without pets: every 90 days. One dog or cat: every 60 days.

What happens if you dont change AC filter?

If you don’t change your AC filter, it will begin to fail. It will no longer be able to filter the air properly, letting dust and contaminants get into the AC. Dust jams the moving parts of an AC such as fan motors and valves. … This is how dust makes the unit less energy efficient.

What is the most common air filter size?

Standard air filter sizes include:12 X 2414 X 2014 X 2416 X 2516 X 2018 X 2020 X 2020 X 2520 X 304 more rows•Nov 27, 2017

What happens if air filter is too small?

Air Filter Problems with Poor Fit If the filter is too small, it won’t cover the entire space and may allow dust and dirt to flow past. If you’re not sure what size filter you need, check the manufacturer’s specifications or ask your HVAC technician for help choosing the right product.

Can I use a 1 inch filter instead of 2?

The 2″ filters have twice the surface area as the 1″ filters. The filter material itself is the same thickness. You could put a single 1″ filter in, but it will clog up twice as quickly. … Thicker filters have more surface area and work more efficiently for longer.

Why is my air filter dirty so fast?

When your A/C is on the thermostat fan will constantly be running causing air too run over the air filter continuously and causing it to get dirty more quickly. … You may have a leak in your air ducts – Leaky air ducts can also cause your filter to clog up and especially if it is near your AC unit.

How often should you change a 4 inch air filter?

A good rule of thumb is to change 1-2 inch filters every three months, 4 inch filters every six months and 5 inch filters every 12 months. Signs your air filter needs changed: The filter is visibly dirty. Certainly if you can’t see the material of the filter itself, it should be replaced.

Is a thicker air filter better?

Most air filters are 1 inch thick, but some systems can accommodate filters 2 to 5 inches thick. In our tests, we found that the thicker the filter, the better it works and the longer the replacement intervals. That means it’s better for you and for your HVAC system.

What MERV rating is best for home use?

Using a filter with a MERV rating of about 5 to 8 is appropriate for most residential homes. MERV 5 – MERV 8 filters provide good filtration and will remove most pollen, mold spores, dust mites, and pet dander.

Are expensive air filters worth it?

More expensive filters like Pleated Residential filters filter out dust mites, pollen, mold and pet dander and even bacteria and so are worth the money especially for those with severe allergies. HEPA filters filter bacteria and viruses and are worth the extra money for those with respiratory conditions like emphysema.

What type of air filter is best for HVAC?

The American Society of Heating, Refrigeration and Air Conditioner Engineers (ASHARE) recommends a MERV 6 or higher. Most people go with a MERV 8 filter. Most residential areas can remove contaminants with MERV 8 to 13, while most hospitals use MERV 14 to 20.

Are pleated filters bad for AC?

Pleated filters are bad for your system because they block too much air, forcing the HVAC motor to work harder to pull in the air it needs and burning it out faster.

What size air filter should I buy?

Take out your measuring tape and get the exact dimensions yourself. These are written as length x width x depth (for example: 18x20x1). Lay the filter flat on the ground and start by measuring top-to-bottom for length, left-to-right for width, and front-to-back for depth. You should have 3 numbers written in inches.

Are 4 inch air filters better than 1 inch?

Maintenance. You’ll change 4-inch filters a lot less than 1-inch filters. … That means they have more surface area to catch particles, making them last 3–5 times longer than 1-inch filters. Most HVAC technicians recommend changing 1-inch air filters every 30 days, while 4-inch filters can be changed every 3–6 months.

Does thickness of furnace filter matter?

Filter thickness: A filter’s thickness can range from 1″ to 5″. As a general rule of thumb, a thicker furnace filter will last longer and can be more efficient. Your system configuration will determine the thickness of the filter that you can use.