Quick Answer: What If I Put My Furnace Filter In Backwards?

What happens if I put the furnace filter in backwards?

When a furnace filter is placed backwards, the fibers can’t do their job properly.

This means your furnace has to work harder to generate the same air flow, resulting in increased energy costs.

Particles are also allowed to build up irregularly, making the furnace working even harder to draw air..

Does the arrow point up or down on an air filter?

For any air filter, whether it be for an air conditioner or a furnace, the ARROWS ALWAYS POINT IN THE DIRECTION OF AIR FLOW. When you install a new air filter into the AC return duct, the arrows face inward to specify which way the air is flowing.

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

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.

Should I 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.

Which way does air filter go in furnace?

Slide the new filter in with the arrow pointing toward the furnace. Replacing your air filter is not difficult. Remember that air flows from your ducts, through the filter, and into the furnace. The arrow on the filter should always point toward the furnace.

Can you clean and reuse furnace filters?

If you run a disposable filter in your furnace, it needs to be changed every 2 to 3 months, depending on the size and type. Permanent furnace filters, on the other hand, are designed to be cleaned and reused, so it’s simply a matter of checking your filter occasionally to make sure it’s not too dirty.

Which way does the airflow in an AC unit?

The Arrow and Air Flow Direction The arrow on your filter should always face the unit and away from the return air duct that carries the air that will be heated or cooled.

Should you put filters in your return vents?

Should I Use a Filter in My Return Vent? For most people, return vents filters are suggested. They won’t cause any damage to your air conditioning and are easy to install; there’s no need for an HVAC technician.

Does my furnace have two filters?

Larger houses often have more than one HVAC system. Each system will typically have at least one air filter. Therefore, your home may have air filters located at the air handler AND in the returns. You should check each possible location to make sure you have found all of your air filters.

How often should I change my Filtrete Air Filter?

every three monthsHow often should I change my Filtrete filters? For maximum effectiveness, we recommend you change filters at least every three months. However, the life of a filter can depend on the individual conditions in your home.

Is a furnace filter the same as an air filter?

One Filter for Your Whole Home While many people refer to air conditioning and furnace filters as if they’re different, this is not the case. Your furnace and your air conditioning system use the exact same filter, so there’s no need to worry about purchasing separate filters for each piece of equipment.

Which way does Filtrete Air Filter go?

It means the arrow faces the unit, or in other words, facing inside the space you’re putting it into. Assuming your unit is outside or in your attic, you want the arrow to face the unit. Let’s make this simpler though. Make the arrows face the ceiling or wall.

Can you put a furnace filter in the wrong way?

Although the two sides of an air filter might look the same, they are not. … That arrow must always face toward the furnace and away from the return duct that carries the air in need of heating or cooling.

How long do air filters last?

60 daysFor basic 1″–3″ air filters, manufacturers typically tell you to replace them every 30–60 days. If you suffer from light to moderate allergies, you could install a better air filter or replace them even more regularly.