Quick Answer: Are Cheap Furnace Filters Better?

Are expensive furnace filters necessary?

Yes, in general, the more expensive air filters are more effective, but a single person with no pets and allergies might not need as much filtration as a family of five with three pets and a child with asthma.

Also consider how long your air filter will last..

Do furnace air filters make a difference?

These MERV ratings really do make a difference. Recent studies have shown that, while air filters with low MERV ratings (1-5) will still minimally protect your HVAC system, these low-efficiency filters offer no better pollutant protection than no filter at all. … However, it’s important not to skimp on your air filters.

What is the best furnace filter to buy?

Best Overall: Honeywell Elite Allergen Pleated FPR 10 Replacement Air Filter. One of the hands-down best furnace filters you can buy is the Honeywell Elite Allergen Pleated Air Filter. This highly-rated filter has the highest FPR possible and comes in a wide range of sizes, fitting most all furnaces.

Why does my furnace filter get dirty so quickly?

A clogged filter can cause a variety of problems, including expensive breakdowns and system inefficiencies. If you’ve noticed that your HVAC filter is getting dirty more quickly than usual, it could be caused by one of the following issues: The thermostat has the fan setting in the “on” position constantly.

What happens if you put furnace filter in backwards?

By installing your filter backwards, air will have a harder time flowing through the filter and your air handler will have to work harder to make up for the loss of airflow. … That arrow must always face toward the furnace and away from the return duct that carries the air in need of heating or cooling.

Is a 2 inch filter better than a 1 inch?

With the 2 inch pleated filter, even though it is smaller, we have a static pressure of 0.158” WC. As you can see the 2 inch filter will serve our needs MUCH better than the 1 inch filter. Even if the duct system is in good shape, using this filter will keep the system from struggling.

How often should you change your furnace 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.

What MERV rating should I get?

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.

How dirty should an air filter look?

Air filter appears dirty If your air filter is brand new, it will look white or off-white. Over time, as it accumulates dust and dirt, it will turn darker in color. When examining your air filter, you should do it in the light of day or with a flashlight, since pollen and dust cannot easily be seen.

Can my furnace handle a MERV 13 filter?

While the highest MERV ratings are the most effective for air quality, they can harm your HVAC system. A higher MERV rating means a higher resistance, which means less airflow….Learn how to maintain your. home and HVAC this fall.MERVMinimum Particle Size9–123.0–1.0 μm13–161.0–0.3 μm17–20< 0.3 μm2 more rows•Sep 20, 2019

Are thicker furnace filters 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.

Why are furnace filters so expensive?

Furnace filters have been getting more effective in collecting dirt and dust particles since at least the early 1980’s, with corresponding increases in costs of production and profits and costs. The smaller the particle that the filter will trap, the more expensive it is to produce and buy.

How dirty should a furnace filter get?

When it’s time to change your filter — anywhere from 1 to 3 months after you installed a fresh one — it should look dirty. “A build-up of dust is usually apparent,” Williams said. “There should be gray, ashy-looking material on the duct side of the filter.”

Can a dirty furnace filter make you sick?

Sealed buildings that are using old filters allow poor quality air to recirculate indoors. We inhale these particles, and depending on your sensitivity, they can cause minor problems like watery eyes, coughing, sneezing, or trigger asthma-related symptoms and other long-term respiratory complications.

Do thicker furnace filters last longer?

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.

How do I choose an air filter for my furnace?

How to Choose a Furnace FilterChoose the Right-sized Filter. Check your furnace manual for the correct sized filter, or check the existing filter to determine dimensions. … Choose the Right Type of Filter. Determine what type of filter your HVAC system requires. … Understand Filter MERV Ratings. … How to Replace Furnace Filters.

What is the best air filter for home?

So here is my list of The 10 Best Furnace Filters.AIRx Health 1″ MERV 13 Furnace Filters. … Honeywell FC100A1037 Ultra Efficiency 4″ Furnace Filters. … Nordic Pure 4″ Furnace Filters. … FilterBuy 1″ Furnace Filters. … AIRx ALLERGY 1″ Furnace Filters. … Filtrete Micro Allergen 4″ Furnace Filters. … X6673 Lennox 4″ Furnace Filters.More items…•

Are pleated furnace filters bad?

Because they restrict airflow to your HVAC system. Pleated, high-MERV filters definitely capture a lot of pollutants, but they also restrict the movement of air into your blower or furnace. … Basically, they increase static pressure within your HVAC system. That’s not good.