When air filters are not consistently changed, they get clogged by the buildup of particles and contaminants that stick to the filter. Before heading out to purchase a new air conditioning filter, you must first find out what size air filter you need. Central Air Warranties and Repair. I use the mesh filter. Can anyone tell me where the filter is located? Understanding just how often to change your furnace or air conditioner filter. To change the temperature in your home, your heating and air-conditioning system sucks in air from a room, pulls it over coils to heat or chill it, then blows the tempered air through ducts to the other rooms in your home. There should be an arrow telling you which side to put it in first, and it is important that you follow this as the filters are designed to work this way. I planned on changing the filter as my first troubleshooting step. If you have a central air conditioning: Shut off your AC system. Locate the air filter. The size of the filter should be written on the side of the filter itself. 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. Changing them when youâre suppose to. It may say "Lasts up to 3 months" or "Change filter every 90 days". Central AC repair ; Central AC install ... How to change your air filter. You donât want it kicking on while youâre changing out the filter, or taking off panels. Most filters have a recommended guideline on the packaging. It may be difficult to locate on some HVAC systems, but you can usually find the air filter in the return air duct. If you have pets or suffer from allergies, youâll probably need to change it more often. It is common for indoor air quality to be less than what is available outdoors. The air filter in your central air system is a vital part of air conditioning and the first step to cleaning the air inside of your home. Learn how to change your air filter by following the steps below: Step 1: Measure the Size Filter You Need. And, donât forget about your furnace if its filters are separate from your air conditioner: Fall Furnace Maintenance: How to Change Your Air Filter. But a good air filter keeps your furnace and central air conditioner humming along by protecting the mechanicals from dust and debris. Determine where your filter is by looking at the ductwork. This allows the filter to clean the air coming from your house before it enters the HVAC unit. Thatâs the first step to improving the air quality in your home, helping your HVAC system run more efficiently and saving money on energy costs.. The air filter is stationed at the point where air is pulled into the system. Here are some simple central AC filter tips that you can use to keep you and your HVAC system running smoothly for many summers to come. Check the dimensions on the air filter â this will tell you what size replacement AC filter you need. ... How to Change a Furnace or Air Conditioner Filter If you do not know how, I will show you how to replace AC filters. How often you need to change the air filter depends on a variety of factors. Clean, quality air conditioner filters are important to limiting how much dirt and dust go through your home from your unit. Ideally, you should change an air filter every three months. If dust has built up between the slats, wrap the tip of a flat screwdriver with a microfiber cloth and use it to gently clean in between the slats or vacuum the cover with a brush attachment. The primary reason air-conditioning systems have filters is to reduce the amount of dirt and dust inside the system. Filter Guidelines. The air filter is usually located in the return air duct or blower compartment before the return air reaches the air handler. It's running but no air is coming through the vents. Here are a few tips: Turn your HVAC unit off before doing any maintenance. A new central air conditioner should be expected to last about 20 years. Generally, air filters should be changed or cleaned every few months, before the filter is full. How to Replace Your Air Conditioner Filter. Most central air systems are relatively low maintenance. How often to replace the central air conditioner air filter. While the filter is designed to accommodate these minuscule items, the buildup creates an almost impenetrable barrier so that the air cannot completely flow through, which can ultimately cause multiple problems for the entire HVAC system. Source: snapguide. Air filters are a central, but often under-appreciated part of a central HVAC system. ... Central Air Filters. It's actually a pretty straightforward process, so it might be easier than you think. But this timeline isnât one-size fits all. Make sure your system is turned off before you do anything! 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