Table of Contents
How often change filter Lennox furnace?
Standard, one-inch disposable air filters should be changed every three months.
Where is my furnace filter located?
The furnace filter is usually located inside of the blower compartment, where the return air enters the blower compartment. Most units have built-in furnace racks. The large metal furnace compartment contains a filter and blower.
Where is the filter on a Lennox?
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.
Do I need to turn off furnace to change filter?
1. 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.
What happens if you don’t change your furnace filter?
Short Cycling If the air filter is not serviced often enough, it will eventually become clogged to the point that air cannot pass through it. When the furnace is operating, the lack of air flow will trap the heat in the system. Without a new air filter, the furnace will overheat every time it starts up again.
Why are my air filters so dirty?
Ducts that have holes, gaps, or leaks should be sealed up properly to prevent good air from getting out and bad air from getting in. If there is a leak in the return air ducts, the dusty, dirty air from spaces like that attic or crawl space gets sucked up into the ducts, dirtying the air filter and causing clogging.
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.
Where is my air filter located?
The air filter is typically located at the point where the return duct enters the air handler. 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.
Will my Lennox furnace run without a filter?
NO. A furnace filter has a critical job to perform and a filter cannot be run without one. For a furnace to work properly, it should always be equipped with a clean, working filter.
How often should furnace filters be cleaned?
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.
Can furnace filters be washed?
Reusable filters can be washed and replaced. However, the disposable filters you use in your HVAC system aren’t made to shed water after they get wet. The moisture the filter retains can encourage mold growth over time, and your HVAC system might spread the mold spores throughout the rest of your home.
What MERV filter does Lennox recommend?
We advise buying no less than a MERV 13 if the system allows for it.
How do you install air filter which way should the arrow point?
To properly insert a new filter, look for the arrow! 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. HVAC systems push the cool or warm air out and pull spent air in, recirculating the air throughout your home.
How many filters are in a furnace?
Most furnaces will have a V shape filter system; the system will take 2 filters. The filters go up into the plenum in a V shape. Make sure that when you re-install the top door, it goes over the furnace frame so it engages the safety switch.
What is a MERV 16 filter?
Filters with a MERV 13-16 value are the most restrictive and can trap the smallest particles like bacteria, tobacco smoke, and burning wood. These particles are in the . 03-1.0 micron group. MERV 13-16 filters are capable of trapping 90% or more of particles in the 1.0-10.0 micron range.
How efficient is a Lennox Pulse furnace?
The hottest development in home heating technology today is a super-efficient process known as ”pulse combustion. ” Pioneered by Lennox Industries in 1982, the G14 Pulse furnace has an AFUE–the Annual Fuel Utilization Efficiency rating–of 97.
What is my furnace filter size?
Almost always, furnace filter sizes are printed on the side of the filter. They are read as Length x Width x Depth. When inspecting furnace filters, homeowners may find two different sets of sizes. First, there is the nominal size expressed in whole numbers.
