If you have any questions about the size you need, you can refer to the owner’s manual for your furnace or air handler, or contact your local Lennox Dealer. Install the new air filter Securely slide the new filter in place of the old one, making sure you follow the arrows printed on the sides of the filter frame.
How often does your furnace filter need changing?
- The general rule is to change a furnace filter—usually located behind a return-air vent or in a slot on the furnace itself—at least once every 90 days. ...
- Look for clues that it’s time for a new filter. ...
- Fortunately, changing the filter is easy. ...
- Replace the filter at least every time the seasons change. ...
- Furnace use impacts how long a filter lasts. ...
Is it easy to change the filter in my furnace?
Understanding the basic layout of your furnace will make it easier to change your furnace filter. It will also ensure you do it correctly. The filter is located near the air return. The direction of air flow moves from the air return to the air supply, which you will want to remember when you insert your new filter. 2. Get a clean filter
Why do I need to change my furnace filter?
- Look for clues that it’s time for a new filter. ...
- Fortunately, changing the filter is easy. ...
- Replace the filter at least every time the seasons change. ...
- Furnace use impacts how long a filter lasts. ...
- The denser the filter, the more often it should be changed. ...
- Flat filters clog more quickly than pleated ones. ...
How often should I change my home's furnace filter?
The general rule is to change a furnace filter-usually located behind a return-air vent or in a slot on the furnace itself-at least once every 90 days. ... Look for clues that it's time for a new filter. ... Fortunately, changing the filter is easy. ... Replace the filter at least every time the seasons change. ... Furnace use impacts how long a filter lasts. ... More items...
Where is the filter in my Lennox furnace?
Your air filter is located in either the blower compartment of your furnace, in an attached filter case, or in a wall-mounted return air grille. If you cannot locate the air filter, call your local Lennox Dealer for assistance.
How often do you change a Lennox furnace filter?
every three monthsStandard, one-inch disposable air filters should be changed every three months. However, if anyone in your family suffers from allergies, or if you have pets or dust buildup in your home, you might want to change your filters every month or so.
Where is my furnace filter located?
Your furnace filter will most likely be found in the blower of your furnace. Where the blower is depends on how the furnace was installed. Horizontal HVAC unit - Furnace filter will be located on the intake side, slid into a rack.
Where do I change the filter on my furnace?
0:251:29How to Change a Furnace Filter For Dummies - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou usually find the filter near where the cool air enters the furnace in the cold air return ductMoreYou usually find the filter near where the cool air enters the furnace in the cold air return duct or the entrance to the blower chamber or sometimes in both locations.
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. This will help protect your HVAC system from loose debris or maybe a loose filter fitting escaping into the duct.
How do I know if my furnace filter is dirty?
What Are the Symptoms of a Dirty Air Filter?Filter is a different color. ... Energy bills are higher than usual. ... Low air flow. ... Rise in physical issues. ... Headaches. ... Allergies. ... Carbon monoxide poisoning. ... Forces HVAC systems to work harder.More items...•
Do all furnaces have a filter on the unit?
Do All Furnaces Have Filters? Yes, all furnaces & heat pumps have filters. If your home uses another type of heating system, like a boiler which uses water to heat the home, you will not have filters, but for a furnace or heat pump, a filter is a vital component.
Can a furnace not have a filter?
Well, technically you can run your furnace without a filter. It will operate without one, but you'll risk potential damage to your system and to your health and the health of your family, and that's just not worth it.
Where is my air filter located?
In most homes, you'll find your air filter housing located right next to your heating or cooling system's air handler. This is a large metal box with a fan motor and fan inside it. Most air handlers are installed in the basement, attic, or utility closet.
Is the furnace filter the same as the AC filter?
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.
How do you open a furnace panel?
Most furnace panels are easily removed without any tools. When you have the door open, you should first look for a gas control knob. This should be a large, clearly marked knob, that shows which way to twist it turned it off. Twist it off, and then look for the power switch.
How often should you replace your furnace filter?
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.
How often should you change your furnace filter in the winter?
Professionals, like our team at Airco Service, Inc. say that you should change your air filter at least every three months. During the winter, when you rely on your heating system more, you want to increase that frequency. During the winter, when the system is in constant use, change it out every month.
How often should I replace my furnace filter?
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.
How many hours should a furnace filter last?
As a general rule to keep allergy suffers as comfortable as possible, change the furnace filter every 30 to 60 days.
What happens if you don't change your air filter?
A dirty filter reduces the airflow to your HVAC system and causes it to work harder. It uses more energy, which costs you more money. It also might not be able to keep your home at the proper temperature. This means it may have to run for longer periods, which strains the system.
How to replace a furnace filter?
Securely slide the new filter in place of the old one, making sure you follow the arrows printed on the sides of the filter frame. These arrows point to the direction of the airflow, which should be toward your furnace or air handler.
What to do if your Lennox filter makes noise?
If you have already replaced your filter, and your system makes excessive noise, contact your Lennox Dealer to address the problem.
What is the purpose of air filters?
They help improve the quality of your home’s air and keep your system performing at peak efficiency. The most common air filters are standard disposable cartridges, but advanced filtration systems and air cleaners are also available.
What to do if you remove an old furnace filter?
If you removed an old filter, check its size so you can be sure you have the correct filter for replacement. If you have any questions about the size you need, you can refer to the owner’s manual for your furnace or air handler, or contact your local Lennox Dealer.
Where is the air filter located on a furnace?
Air filters are typically located in your system’s return air vent, which might be on the ceiling, wall or on the side of your furnace or air handler . Your air filter might also be housed inside the unit. If this is the case, you may have to remove an access panel to get to the filter.
Does Lennox have a filter?
Lennox offers a wide variety of filtration products, including high-performance air cleaners that remove small, allergy-aggravating particles that standard filters can’t stop.
How to stop furnace from turning on when replacing filter?
Turn off your furnace before checking or replacing the filter. Set the furnace’s thermostat to the “off” position. This will prevent the furnace from turning on while you are checking or replacing the filter. If the furnace turns on while there is not filter in it, then it can suck up potentially-damaging loose debris.
Why change a furnace filter?
It’s important to change the filter regularly to keep good airflow going through the furnace and keep it from overheating. Disposable filters have a cardboard frame. If your filter has a plastic or metal frame, then it is a reusable filter than you can clean instead of replacing it with a whole new filter.
What happens if you put a furnace filter in backwards?
If you put the filter in backwards, then your furnace won’t have sufficient airflow and it can overheat and shut down. This can also happen with a dirty filter, so make sure to keep checking your filter monthly and replacing it when it is dirty.
How to tell which way to slide a furnace filter?
Look for an arrow on the filter that shows which way it needs to face. Your new filter will have an arrow that shows which way the air flows through it. Find this arrow to determine which way to slide the filter into your furnace.
How to find the size of a filter?
1. Look on the cardboard frame of the old filter to find the dimensions. The filter size will be printed somewhere on the frame of the disposable filter. Note it down so that you can refer to the measurements when you shop for a new filter.
Where to find filter in furnace?
Look for the vents where the air enters into the furnace system to locate the filter near either the air return duct or the entrance to the blower chamber.
Where is the filter located on a furnace?
Locate the filter in your furnace and remove any cover that is over it. The filter is usually located at the air return duct or the entrance to the blower chamber. There is sometimes another cover over the filter that you will have to pull off.
