How often should I change my 16x25x4 air filter?

How often should I change my 16x25x4 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.

How long do 4 inch HVAC filters last?

In general, this is how often changing furnace filters needs to be done: For 1- to 2-inch filters, replace them every 1 to 3 months. For 3- to 4-inch filters, replace them every 6 to 9 months. For 5- to 6-inch filters, replace them every 9 to 12 months.

How often should furnace filters be replaced?

The basic consensus among HVAC professionals is that you should replace your furnace filter every 90 days — or every three months. However, that depends on the filter’s thickness. Thicker filters have more room to collect dirt and dust, so they don’t have to be changed as often.

Why do my air filters get 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.

Can dirty filter damage furnace?

A dirty furnace filter restricts airflow to the furnace, leading to higher energy spending, poor heating performance, and even a potential heating breakdown. Your furnace may break down well before its expected lifespan and you’ll probably notice reduced heating in one or more areas of the house.

How do I know if my furnace filter is dirty?

What Are the Symptoms of a Dirty Air Filter?

1. Filter is a different color.
2. Energy bills are higher than usual.
3. Low air flow.
4. Rise in physical issues.
5. Headaches.
6. Allergies.
7. Carbon monoxide poisoning.
8. Forces HVAC systems to work harder.

Is it OK to run the furnace without a filter?

Technically, you can temporarily run a furnace without a filter. The consequences of running a furnace without a filter include: Poor air quality: For one, not having a filter in place means there is nothing to prevent dust and debris from being sucked into your furnace and recirculated throughout your home.