dirty mini split air filter
June 24, 2021

Does it feel like your HVAC filters are always clogged, no matter how often you clean or replace them? 

Constantly clogged filters, black filters, and filters that get dirty again after two weeks or less can be extremely frustrating, and you probably want to solve this problem as quickly as possible. But before you can do anything to prevent dirty filters, you need to find out what’s causing them to clog. 

Here are some of the most common causes of clogged HVAC filters:  

The Seasons Are Changing 

The more often you run your heating or cooling equipment, the more air gets cycled through, and the more airborne contaminants get trapped in the filter. So, when the seasons change and you start using your air conditioner or furnace more frequently, your filter may start to clog quickly due to the increased use. 

The Filter Is Low-Quality 

There are a lot of different HVAC filter types, and as with most things in life, you get what you pay for. Lower-quality filters tend to clog quickly and may need to be cleaned or replaced more frequently as a result. 

Your Fan Is Set to “On”

Thermostats typically have two settings: “on” and “auto”. If it’s set to “auto”, the fan will only run during a heating or cooling cycle, but if it’s set to “on”, the fan will run constantly, causing the filter to clog more quickly. Thankfully, this is an easy fix—just switch the fan setting back to “auto”. 

There Are a Lot of Contaminants in Your Home 

Your HVAC filters pull contaminants like dirt, dust, pet dander, and mold spores out of your indoor air, and the more contaminants there are in your air, the quicker your HVAC filter will clog. This can be exacerbated by housework that kicks up a lot of dust and renovation work that brings contaminants into your home. 

How to Prevent Clogged HVAC Filters 

Routine HVAC maintenance is the best way to prevent clogged and broken filters. HVAC filters typically need to be cleaned or replaced every 30 to 90 days, depending on the system and type of filter. Check with your manufacturer to find out how often cleaning or replacement is recommended, and make sure you’re keeping up with this important task. 

In addition to regularly cleaning your filters, you should have your HVAC equipment inspected and tuned up by a professional once or twice a year. With regular maintenance visits from the pros at Russell’s, you’ll be able to keep your HVAC system running smoothly, and if a problem arises, we’ll catch it quickly and recommend the necessary air conditioning repair or furnace repair

Our tune ups are much more than a simple HVAC filter replacement service—they include testing, a full precision tune up, and professional cleaning. Plus, as a maintenance plan holder, you’ll get perks like discounts on repairs, priority scheduling, and more! 

Need HVAC help? Schedule a tune up today! Call Russell’s at  (VA) 757-995-2807 / (NC) 252-489-4431 or contact us here to schedule service.

Prevent clogged HVAC filters with help from the pros at Russell’s. 

Schedule a maintenance visit today. 

(VA) 757-995-2807 / (NC) 252-489-4431

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Maintenance Plans

Russell's HVAC, HVAC service technician, VA

Regular maintenance for your home’s heating and cooling is an important routine to keep your systems operating at peak efficiency, much like getting your car’s oil changed regularly. One of the easiest ways to ensure regular maintenance is to enroll in a Russell’s Heating & Cooling maintenance plan.

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Just like your annual physical at the doctor’s office keeps you healthy, an annual tune-up or safety and efficiency check on your heating and cooling systems can keep your home working smoothly. And, you’ll have the peace of mind knowing that your system is cleaned and ready to operate efficiently and safely.

What Our Customers Are Saying

  • I can't complement your team enough on the wonderful job done with regard to the installation of the new system in our home. More specifically, we want to recognize the outstanding efforts of: Roberto-- the initial visit and diagnosis of the problem.

    Dan & Connie, Virginia Beach
  • I recently had your team install a new gas package unit including all new duct work at my house in Chesapeake. I had a split system that had undersized ducting which was removed by your installers.

    Mike & Sandi, Chesapeake, VA
  • We purchased a one time service for $79. They came out on time, checked out the geothermal system...they were very professional and kind.

    Nicholas H., Chesapeake, VA
  • We would like to thank your company for an excellent job. We are very pleased with the new (Mitsubishi ductless mini split) system that was installed last week. It works wonderfully at heating our home.

    Danny and Teresa S., Chesapeake, VA
  • Not one single idea for improvement. Keep doing what you do. OUTSTANDING!

    Charles J., Norfolk, VA
  • Great job!...World class employees!

    Colleen & Jim C., Suffolk, VA
  • Everything went great! This is the second big project we've had done through Russell's and we couldn't be more happy! We had the most dedicated, polite, and respectful crew! The team consisted of Elliot, Chase and Sean. Sean was here for the removal process on day one, and did awesome!

    J. Luhan, VA Beach
  • Hi Nate, please pass along our appreciation for you, Elliot and Steve. We are very happy with you being able to arrange our ( Lennox ) replacement system so quickly!

    T. Johnson, VA Beach
  • Thank you for running a top notch company and sending over to us two excellent folks Terry and Shawn. They did an awesome job putting in our new furnace system. Also thank you for Donald and Nate who did a superb job as well. Please reward these guys with some sort of commendations or rewards....

  • ...folks need to know how wonderful working with Russell's Heating & Air Conditioning is. They were very professional all the way thru the process of getting our unit installed down to the payment plan. I have been telling our neighbors and my co-workers about the experience.

    Pamela F., Chesapeake, VA
  • Every moment from the time an appointment was set up until the day the work was completed was a pleasure. Every employee was a delight to work with. The proof that the product was great came when the electric bills started coming in the airconditioning season.

    Douglas P., VA Beach
  • I am extremely satisfied with both the Lennox unit I purchased and the employees of Russell's. Even with poor window and door quality in this overly tired house, I am actually cooled off sufficiently enough to call it chilly.

    Robin W., Chesapeake, VA
  • Over the years I have gained the utmost trust in my service technician Corey Lesko's knowledge and work ethic while servicing my system.

  • I am writing this letter to commend your company on a great job! We were very pleased with how the company performed in every area...the installers did an impeccable job. They were very knowledgeable, efficient, and hard workers—staying focused to the task in the extreme heat.

    Pastor Larry E. O'Brien, Churchland Assembly of God
  • A year ago, I contracted with Russell's to tune up and clean the heating and cooling system. How impressively your specialist cleaned my system...he also found a defective automatic (programmable) thermostat. Quite quickly, he replaced my automatic thermostat. The results?

    R. Snider, Norfolk, VA
  • You recently installed a new Trane unit for us. We want you to know we are completely satisfied. The outside unit is now a hum versus the roar of the old one...we also want to recognize the installer...we cannot overstate what we think of his workmanship.

    K. Hawkins, Portsmouth, VA
  • Great and prompt service – as usual. Everything from ordering the a/c unit to installation went smoothly. Thanks for everything.

    B. Fenstermaker, VA Beach
  • Everyone was very nice. I felt well informed about my purchase. Your staff is great! I don't usually return opinion forms, but you need to know you have a staff you can be proud of!

    V. Horn, Chesapeake, VA
  • You have a new customer for life and I will definitely tell all my friends about your prompt, courteous service, your knowledgeable technicians, and your very reasonable prices. Thank you very much Russell's. You warmed much more than just my heart!

    G. Knoop, Chesapeake, VA
  • Your company was very responsive to my needs. The quality of your work was extremely high.

    Ms. Bright, Chesapeake, VA
  • Your workers actually made this total replacement project an enjoyable learning experience...they were always willing to stop and answer any questions. Their pleasant and cooperative attitudes cannot be praised enough!

    J. Wellons, Portsmouth, VA
  • Very pleased with both the price and service. The installation went off without a hitch and everything exceeded our expectations. When finished, the work areas, including the attic, were so clean you couldn't tell anything had been done.

    T. Marsh, VA Beach
  • Great expertise and timely service.

    H. Turbeville, Chesapeake, VA