Where is the filter on my ducane furnace?

Asked By: Nazrul Zeitlin | Last Updated: 19th May, 2020
Category: home and garden indoor environmental quality
4.7/5 (991 Views . 24 Votes)
Grab onto the sides of the lower front panel of the furnace, lift it up and pull it off to reveal the filter. It will be positioned horizontally in the furnace.

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People also ask, where is the furnace filter located?

The furnace filter is usually located inside of the blower compartment, where the return air enters the blower compartment.

Also, where is the filter on a weather King furnace? This filter is located in the blower compartment (bottom door) adjacent to the cold air return. You have to remove both the top door and then the bottom door. Make sure that when you re-install the bottom door, it goes over the furnace frame so that it engages the safety switch.

Besides, do old furnaces have filters?

Manufacturers of furnaces and furnace filters usually choose a designated location where their filters can be installed just in front of the fan components. This furnace filter location is common when it comes to older heating and air conditioning systems.

Do you have to turn off furnace to change filter?

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.

32 Related Question Answers Found

What if my furnace doesn't have a filter?

Without a filter, the furnace is likely to get dirty. This reduces efficiency and comfort and increases heating costs. If there is an air conditioning evaporator coil in the supply duct, this coil is likely to become clogged if there is no filter. This will restrict airflow through the system.

What does a dirty furnace filter look like?

Signs your furnace filter needs changing:
The filter is noticeably gray in color, and you can see dirt and dust built up on the filter media. Your home is dustier than usual. Your heating or cooling system is cycling longer than it usually does.

How often should I change my 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.

How do I clean my furnace?

How to Clean a Gas Furnace
  1. Turn off power/gas to the furnace. Turn off power to the furnace at the breaker box.
  2. Clean furnace surfaces. Wipe exterior surfaces with a damp rag.
  3. Remove the blower.
  4. Carefully clean the blower.
  5. Clean the pilot or hot surface igniter.
  6. Clean the flame sensor.
  7. Inspect the drive belt.
  8. Lubricate (but not too much).

Can you run your furnace without a 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 accumulate inside your heating unit inner mechanisms.

How do I reset my furnace?

How to Find My Furnace Motor Reset Button
  1. Turn off the power to the furnace at the circuit breaker. The circuit breaker is clearly marked.
  2. Lift up the blower compartment cover to access the blower wheel and blower motor.
  3. Look for a small red or yellow button on the side of the blower motor.
  4. Press the reset button down if it has popped up.

Do all air handlers have filters?

All central heating and cooling systems should have an air filter, but the filter can be harder to locate on some HVAC units than others. The air filter is usually located in the return air duct or blower compartment before the return air reaches the air handler.

How do I install a furnace filter?

On your new air filter, find the arrow that indicates the proper air flow direction. This tends to confuse everyone more than anything else. That arrow must always face toward the furnace and away from the return duct that carries the air in need of heating or cooling.

What happens if furnace filter is 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. This could lead to higher utility bills and possibly damage your furnace or air conditioner.

How do I find my furnace?


Typically your furnace is centrally located in the home. It is usually located in an area such as a utility closet (by a cold air return), garage, attic, basement, or crawlspace; in the case of a heat-pump (a dual-system) it will be located outside of the home.

What does a new furnace cost?

New Furnace Replacement Cost. The national average cost of a standard efficiency natural gas furnace ranges from $2,150 to $5,900 with most homeowners paying around $3,100. The price may vary based on brand, complexity of install, and the efficiency of the new unit.

Can you run the air conditioner without a filter?

Your air conditioner will run without a filter, but you shouldn't try it! Without a filter, you leave your system wide open to all types of dirt and debris that will damage the HVAC system and lead to expensive repairs.

Do you need to change furnace filter in summer?

Since all of the air that you breathe in your home flows through the furnace filter, it is extremely important that this filter be changed, at the very least, every three months if not monthly. So, yes, your furnace filter needs to be changed even in the summer.

Can I use two furnace filters?

Bottom Line: Putting two filters will not make it last longer but may make you have to replace it earlier, assuming it doesn't already reduce air flow too much with just the filters.

Are all furnace filters the same size?


While there are no standard furnace filter sizes that will fit all models, the most common filter dimensions include: 10 X 20. 14 X 20. 16 X 24.

Why is my furnace filter wet?

A wet air filter commonly indicates a clogged condensate pan or condensate drain lines. Water is a natural by-product of a functioning air conditioner. As the system draws warm air from your home to be cooled, moisture from the air condenses on the evaporator coils and then drips into the drain pan.

Where is the filter on my outside AC unit?

Filter locations vary depending on your air conditioner, but they are usually found along the air conditioner return duct. If the filter is not located within the air conditioner unit, look for an access panel on the interior or exterior of your home near the air conditioner location.