How Often Should You Change a Dirty Air Filter?

Oct 1, 2024 | Air Filter, Allergens, Bacteria, Contaminants, Dirty Air Filter, Dust, Energy Bills, Germs, IAQ, Indoor Air Quality, Odors, Pollutants, Seasonal Changes

A clogged air filter may seem miniscule, but they are, in fact, a huge deal! This is because even though it might look minor, clogged air filters are integrated into your HVAC system to play a large purpose. A clogged air filter can seriously mess with your home’s indoor air quality (IAQ) and your overall health. Today, Cincinnati Premier Heating & Cooling is here to highlight the real issues a clogged air filter can cause and why every Ohio homeowner should keep an eye on their air filters to steer clear of any scary HVAC problems.  

Why Is It Horrifying?   

  • Reduced Air Quality – First off, a clogged air filter means your HVAC system can’t effectively filter out airborne stuff like dust, pollen, and even germs. This can lead to poor indoor air quality, which can make respiratory issues like asthma and allergies worse. For homeowners in Ohio, where seasonal changes bring different allergens, keeping that indoor air quality up is super important.  
  • Increased Energy Bills – When your HVAC system has to work harder to push air through a blocked filter, it ends up using more energy. According to a study by the Department of Energy, swapping out a dirty, clogged filter for a clean one can cut your air conditioner’s energy use by 5% to 15%.  
  • System Breakdown – Ignoring your air filter can lead to more than just bad air quality and high bills. Over time, putting extra strain on your HVAC system can cause it to break down completely, leading to expensive repairs or even a full system replacement.  
  • Pollutants and Contaminants – When your air filter is clogged, it lets harmful pollutants and contaminants float around your home. This can include things like mold spores, pet dander, and even smoke particles from tobacco. These nasties can lead to all sorts of health problems, from minor annoyances like sore throats to serious issues like respiratory infections. 
  • Dust and Debris Build-up – One of the first things you’ll notice with a clogged air filter is how quickly dust and debris pile up in your place. Your furniture will seem to collect dust way faster, and your HVAC vents might start looking pretty grimy, too. Not only does this make your home feel less clean, but it also means you’re inhaling those particles all the time. 
  • Germs and Bacteria – Another sneaky but serious issue with a clogged air filter is that it can become a hotbed for germs and bacteria. A dirty filter can easily turn into a breeding ground for harmful microorganisms, which then spread throughout your home. This can be a real hassle for anyone with asthma or other respiratory issues. 

What Are the Tell-tale Signs You Need to Change Your Air Filters?   

  • Increased Allergy Symptoms – If you or your family are dealing with more allergy symptoms, even with medication, it might be a good idea to check your air filter. Look out for sneezing, coughing, and itchy eyes, as these can all be made worse by poor indoor air quality.  
  • Unusual Odors – A clogged air filter can lead to some pretty unpleasant smells around your home. These odors can range from musty to something stronger, depending on what’s stuck in the filter.  
  • Higher Utility Bills – Have you noticed a sudden jump in your utility bills without changing how much you use your HVAC? A clogged air filter could be to blame. As mentioned earlier, your system has to work harder, using more energy and driving up your costs. 

How Often Should You Replace Your Air Filters?   

  1. Seasonal Changes – In Ohio, where the seasons can really change things up, it’s a good idea to check your air filter at the start of each season. This way, your HVAC system is ready for whatever demands come its way throughout the year. If you’re not keen on sticking to the seasons, we usually recommend that homeowners change their air filters every 30-90 days, depending on usage and lifestyle. 
  1. After Renovations – If you’ve recently done any home renovations, it’s smart to replace your air filter. Home projects and construction can kick up a lot of dust and debris, which can clog your filter pretty quickly. 
  1. Pet Owners – If you have pets, you’ll want to change your air filter more often. Just a heads up: pet dander and fur can clog an air filter faster than usual, which can mess with your home’s indoor air quality. 

You can’t underestimate how important a clean air filter is for keeping your HVAC system running smoothly and ensuring good indoor air quality. So, don’t wait until it’s too late! Make air filter maintenance a regular part of your home care routine. No tricks here; with these tips, you’ll be ready to tackle any air filter issues that come up. 

Cincinnati Premier Heating & Cooling can help you tackle any HVAC scares that come your way! Call today at (513) 216-5712 or schedule an appointment online now by clicking here