You should wait 1-2 years before changing your furnace filters. You always want it to be dust free so that way no fires can be started unintentionally.
You should change a furnace filter every 2-4 months.
A furnace filter should be used and should be changed about every three months. It is important to have one because they filter out dirt and dust which otherwise clog up the furnace and stop it working as well as it should.
you should change it from every 2-3 months to every 3-4 months.
Toward the direction of the air flow. In other words the air is being drawn into the furnace so the arrow should point at the furnace.
One every month if you have allergies.
I live on a slab (no basement) my air filter is inserted at the very top of the furnace almost close to the ceiling so should the arrow on my air filter be pointing up to the ceiling or down to the engine of the furnace?
How often should you change the fuel filter?
turn off power to furnace and remove the bottom door to the blower compartment,the filter should be on the right side of the blower housing or it may be directly below the blower housing on the bottom of the furnace depending on how your return duct is run. hope this helps,FYI filters s/b replaced or cleaned every 30 days.
Yes. They are there to draw the air back into the furnace that blows out of your heat/cooling vents. They help create air circulation and clean the air that is "returned" to the furnace and passes thru the furnace filter.
Changing your furnace filter is critical to maximizing the life of your furnace and central air conditioning system. Replacing pleated filters every three months is a good rule of thumb. Purchase enough filters for a year and mark your calendar. This will help maintain your appliances. If you have pets or smoke, you should consider buying an upgraded quality of filter and, maybe, replace it more often.
No, change your air filter every 30,000 miles.
You should change a filter once a month or when airflow lessens, unless it is a reusable filter then clean weekly.