My furnace has two filter slots. Low-Cost Furnace Filters.

My furnace has two filter slots. What is a furnace filter? A furnace filter has a singular purpose: to filter the air that flows through your home when the blower fan is on. Some people here are telling you to only use the 1” filter, this is false. . Let’s dig a little deeper into why you might find 2 air filters in your home’s HVAC system. Jan 22, 2016 · Bottom Line: Putting two air filters on a central air system will only have the net effect of producing a higher utility bill and reducing the lifespan of your central air unit. e. I am assuming this should have a filter in it as well right? Check out how to change a furnace filter in 6 easy steps. Seems like on the opposite side of each other. experience as a licensed oil & gas Oct 26, 2021 · I guess I have to somehow disconnect the duct in order to access and change the disposable filter. My Lennox G23q3/4-100 has 2 filter slots. Changing your furnace filter regularly can help your health and wellbeing. So only use the 5” filter and ignore the 1” slot. In the vertical slot where it gets installed, there is a channel along the bottom but not along the top. Here’s how to correctly install the furnace filter: Turn the furnace off, and disconnect its power supply. My question is the following: Since my furnace already comes with permanent filter, is it still necessary to put a disposable one? i. Feb 24, 2022 · The majority of central air units would actually have two filters – you’ll find one in the air handler and another one (or even a few) in the return vents. Will a merv13 be fine for my Lennox furnace? I need a 13 to filter out smoke from incense My high efficiency gas furnace has a slot for a 5" filter. My thinking is that the 1" filter will catch most of the crap and extend the life of my good filter. com Feb 23, 2023 · You may need two filters for your central AC if you have a return duct and air handler that both have slots for a filter. As a result, the top corner of the filter furthest away from the opening will bend toward the blower motor and allow air to rush past the filter. Rick. In short, the use of two air filters is just a BAD idea! I would strongly recommend against using two filters at once, especially if it is just by reason of convenience. Maintaining this system is important because carelessness can cause it to become less efficient in its work. Sep 20, 2023 · There are only a few reasons for an air conditioner to have two filters. Don’t have anything in the 1” slot. Is the disposable required in the duct so that two filters work together? Since this is a counterflow system you want to ONLY use the 5” filter. The households that have a furnace would also have a filter in the blower compartment. I insert a good quality 4" filter (MERV 12 or 1000 MPR) which I replace once a year and upstream of that I insert the cheapest 1" filter that I can find and replace that each month. These are relatively uncommon unless you have any of the following situations: • Multiple return air ducts, in which case a filter can sometimes be fitted to sit in the entrance to the vent; • You have both a return air duct (or ducts) as well as a separate air Mar 28, 2023 · To help you avoid those mistakes, we’re answering the most commonly asked questions homeowners have about furnace filter maintenance, installation, and utility. The previous bottom, horizontal one has the air flow arrow pointing up into the furnace, so that’s how I oriented the new one. This size doesn't fit the opening very well; there are large gaps around the sides. I’ve got a few here that demonstrate the general options available. Oct 1, 2020 · When I bought my home, my furnace had a 16x20x1 nominal-size filter installed, and that's what I've been buying for replacements. Check your AC filter every 90 days to see if it is clogged with debris. First up is the extreme low end of furnace filters. Upon further inspection of the air handler, it seems the system has an air purifier included. That would cause your evaporator coil to clog up. Find out if you should be using 1 or 2 in your system. Switch the furnace on. Can an HVAC system have two filters? Yes, an HVAC system can have two filters. The Best Type of Furnace Filter for Your Home. Many central ACs have two air filters due to reasons like multiple air ducts, two filter slots in the air handler, and multiple central air conditioning systems in one building or house. Does both slots require a filter? Also i cant seem to find out how high of a merv rating my furnace can handle. My furnace has these two spots for filters, and I just want to understand why, and how I should orient each filter when I replace them. Depending on the size of your home, you may have more or fewer intake vents, but for most dwellings, the central air system is served by 2 air filter-covered intake vents. See full list on applianceanalysts. The vertical filter slot on the side however has no filters in it. Feb 23, 2023 · You may need two filters for your central AC if you have a return duct and air handler that both have slots for a filter. There are tons of different furnace filters on the market. Carefully slide the filter in the slots, and make sure it is secured in place. Oct 6, 2023 · My furnace has these two spots for filters, and I just want to understand why, and how I should orient each filter when I replace them. Locate the arrows on the filter, and line the filter up accordingly. This has a filter in it that the previous owner stated they had changed right before moving. Should I use both slots? Answered by Rick in 1 min 4 years ago. That is probably was easy at the time of installation. Customer: My furnace has two 1" filter slots. Depending on the size, you will need to replace your AC filter every 3-12 months so that your HVAC system doesn’t have to work too hard. Low-Cost Furnace Filters. Nov 1, 2018 · I noticed a problem with my furnace filter. But in the picture, there is also another filter slot but with no filter in it. It could be that the cabinet is set up to accept a one inch or two inch filter. Jul 4, 2022 · I think it’s a great, no-brainer way to ensure that the furnace filter gets changed regularly. 50+ yrs. You would have to remove the side tracks to insert a two inch size. Depending on the size of your home, you may have more or fewer intake vents, but for most dwellings, the central air system is served by 2 air filter-covered intake vents. vgkgw fpimkm etbhw ivcfp uwywn uduq dscq gnwp lme gdcmsdfn