Question: How Often Should You Change Your Furnace Filter In The Winter?

Can a dirty air filter cause a high electric bill?

Yes.

As your air filters get dirty, they begin to restrict the air flowing through the unit.

This causes the HVAC unit to work harder to maintain a sufficient air flow.

Because your unit is working harder and longer, it is using more electricity, which over time can dramatically increase your utility costs..

What happens if you don’t change your furnace filter?

If the air filter is not serviced often enough, it will eventually become clogged to the point that air cannot pass through it. When the furnace is operating, the lack of air flow will trap the heat in the system. … Without a new air filter, the furnace will overheat every time it starts up again.

Why is my furnace filter getting 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.

Are 4 inch furnace filters worth it?

At four inches thick, it offers greater surface area to capture more particles and germs from airflow. It works better and it lasts longer than other cheaper disposable air filters. As a result, homeowners do not need to change 20x25x4 air filters as often.

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.

What type of filter is best for a furnace?

BEST OVERALL: Nordic Pure MERV 12 Pleated AC Furnace Air Filters.BEST SMART FILTER: Filtrete Smart AC Furnace Air Filter.BEST BANG FOR THE BUCK: FilterBuy MERV 8 Pleated AC Furnace Air Filter.BEST FOR ALLERGIES: AIRx ALLERGY MERV 11 Pleated Air Filter.BEST FOR PETS: Aerostar Allergen & Pet Dander Pleated Air Filter.More items…

Can a furnace last 40 years?

While some furnaces can last over 40 years (extremely rare), the average lifespan of a typical gas furnace is around 15-30 years. As long as you have scheduled yearly furnace maintenance, your furnace should easily last over 15 years.

Can a dirty furnace filter make you sick?

According to the American College of Allergy, Asthma and Immunology (ACAAI), dirty air filters may be to blame. Studies show that indoor air pollution caused by a dirty air filter can trigger allergic reactions and sinus congestion in those with allergies to animals, pollen and mold.

Can you run a furnace without an air filter?

If you run a furnace without a filter for one night, it won’t affect your HVAC system detrimentally. However, the longer you run your heating system without an air filter, the more contaminants will accumulate inside your heating unit’s inner mechanisms.

Is no air filter better than a dirty one?

Without a filter there to trap air pollutants, your home’s air quality will deteriorate. That’s because the same air contaminants will just circulate through your home. But what’s worse is that you’re likely bringing even more pollutants into your home on a daily basis.

Can you change a furnace filter while its running?

To Change Your Home Air Filter, You’ll Need To Turn Off Your Furnace. To prevent the HVAC unit from turning on while you are changing the filter, make sure you turn the thermostat to the “off” position. … For maximum safety, disconnect power from your furnace system while you are doing maintenance.

What’s the best air filter for your house?

1. AIRx Health 1″ MERV 13 Furnace Filters. The AIRx Health offers the highest rating for residential use: MERV 13. Offers the ability to essentially turn an air conditioning and heating system into a whole house air cleaner, by reducing respiratory irritants, smog, bacteria, viruses, and mold throughout the home.

How long do furnace filters last?

For example, a one inch furnace filter should be changed out every one to three months. A three to four-inch filter can last for six to nine months. If you have a thick five to six-inch filter, it can last from nine to twelve months.

How often should you change your furnace filter in the summer?

During milder spring and fall weather, when you rarely use your system, you may only have to change the air filter once every six to eight weeks. In summer, when your air conditioner gets a daily workout, a monthly air filter replacement is often a must.

Can you vacuum a furnace filter?

Vacuuming your filter is a healthier alternative, but it’s possible you could tear or rip your filter during the process. Also, a vacuumed filter can release dust and other toxins into the ductwork of your furnace unit when re-installed.

Will furnace shut off if filter is dirty?

A clogged furnace filter can cause a furnace to shut off. Dirty filters are the most common cause of furnace problems. Dust and dirt restrict airflow—and if the filter gets too clogged, the heat exchanger will overheat and shut off too quickly, and your house won’t warm up.

Are expensive furnace 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.

Is it better to use cheap furnace filters?

Cheap fiberglass filters are designed to stop dust, debris and hair from gunking up the system. While they do little to filter out allergens and other irritants, using them keeps your HVAC system clean and efficient. … They can add more resistance to airflow, which makes the system more expensive to operate.

How often should you change your furnace filters?

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.

How do I know if my furnace filter is dirty?

Watch out for these signs that signify the time to replace your furnace filters.Your Bills Creep Up. If your bills have been cranking up, dirty and clogged filters might be the culprit. … You’re Getting Sick. … You Notice a Burning Smell. … Less Heat, Longer Runtime. … Your Home is Dustier than Before.

How dirty should an air filter look?

Dirty Air Filter Performing a visual inspection is an easy way to know if your air filter needs to be changed. A brand new air filter is white or off-white in color, while a dirty air filter will appear darker with the dirt and debris visible.