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

The consequences of a clogged air filter are scarier than you might think. Have you ever considered what happens when your HVAC air filters get clogged for too long? It may seem like a small issue, but blocked air filters can really mess with your indoor air quality and overall well-being, not to mention cause other problems. At LRF Maintenance, Heating & Cooling, we’re here to help Ohio homeowners understand the potential dangers of ignoring air filters so you can avoid any HVAC-related headaches. 

What Are the Horrifying Results of a Clogged Air Filter? 

  • Poor Indoor Air Quality – First off, a blocked air filter really messes with your HVAC system’s ability to filter out airborne nasties like dust, pollen, and germs, leading to subpar indoor air quality. This can worsen respiratory issues like asthma and allergies, especially in Ohio, where changing seasons bring a ton of allergens. 
  • Higher Energy Bills – When your HVAC system has to work harder to push air through a jammed filter, your energy bills go up. Research from the Department of Energy shows that swapping out a dirty, clogged filter for a new one can cut your air conditioner’s energy use by 5% to 15%.  
  • Possible System Breakdown – Neglecting your air filter can lead to more than just bad air quality and higher bills. Letting those filters go unchanged makes your HVAC system strain more than necessary, which can create extra wear and tear that might cause bigger, pricier problems later. 
  • Pollutants and Contaminants – A clogged air filter allows harmful pollutants and contaminants to circulate around your home. This includes mold spores, pet dander, and tobacco smoke particles. These can lead to a range of health issues, from minor annoyances like sore throats to more serious ones like respiratory infections. 
  • Dust and Debris Build-up – One of the most immediate and annoying effects of a clogged air filter is the dust and debris piling up in your home. You might notice your furniture getting dusty way faster, and your HVAC vents could start collecting a layer of grime. This not only makes your home look dirty but also means you’re breathing in those particles continuously. 
  • Germs and Bacteria – A less obvious but dangerous effect of a blocked air filter is the spread of germs and bacteria. A dirty filter can become a breeding ground for harmful microbes, which then get circulated around your home. This can be particularly tough for anyone with asthma or other respiratory conditions. 
  • Increased Allergy Symptoms – If you notice allergy symptoms flaring up despite taking medication, it might be time to check your air filter. Look out for sneezing, coughing, and itchy eyes, which can all worsen with poor indoor air quality. 
  • Unpleasant Odors – A blocked air filter can lead to funky smells hanging around your home, with odors ranging from musty to downright nasty, depending on what’s trapped in there. Nobody wants that, so keeping up with air filter changes can help avoid these unpleasant scenarios. 
  • Rising Utility Bills – If your utility bills suddenly spike without any changes in how you use your HVAC, it could be a sign of a clogged air filter. The system struggles to work, using more energy and driving up your costs. 

How often should you replace your air filters?  

  • Seasonal Changes: With Ohio’s wild seasonal shifts, it’s a good idea to check your air filter at the start of each season. This way, your HVAC system is ready to handle whatever it faces throughout the year. We usually recommend homeowners change their air filters every 30-90 days, depending on how much you use them and your lifestyle.  
  • After Renovations: If you’re into DIY projects, remember that home renovations can kick up a lot of dust and debris, which can quickly clog your filter. So, it’s best to replace your air filter after any major work. 
  • For Pet Owners: If you have pets, you’ll want to change those filters more often because pet dander and fur can build up fast, affecting your home’s air quality. 

Keeping your air filter clean is key to maintaining your HVAC system and ensuring good indoor air quality. For Ohio homeowners, staying on top of this is even more important with all the seasonal changes. By spotting the signs of a clogged air filter and knowing how to fix it, you can keep your home cozy and healthy.  

Don’t wait until it’s too late! Make air filter maintenance a part of your regular home care routine. With these tips, you’ll be ready to tackle any air filter challenges that come your way. 

LRF Maintenance, Heating & Cooling is always ready to assist you with all of your HVAC scares and concerns that are thrown your way! Call today at (614) 837-4822 or schedule an appointment online now by clicking here