Air Filter Replacement in Glen Ellyn, IL
For Glen Ellyn homes, Amazing Air offers clear air filter replacement guidance that explains how choosing the right filter and changing it on time protects both your indoor air quality and HVAC efficiency. This page covers common residential filter types (fiberglass, pleated, electrostatic, HEPA), sizes, and MERV ratings. We also provide step-by-step DIY replacement instructions, help you know when it’s time to call a technician, and show you how to measure for a perfect fit. Plus, we outline replacement schedules, disposal tips, maintenance plans, and seasonal reminders to help you stay comfortable, save energy, and reduce allergy symptoms throughout the year.
.jpeg)
Air Filter Replacement in Glen Ellyn, IL
Proper air filter replacement is one of the simplest, most effective ways to protect indoor air quality and keep your HVAC system running efficiently in Glen Ellyn, IL. Between heavy heating use in winter, humid summers that promote mold, and seasonal pollen in spring and fall, homes here face year‑round airborne challenges. This page explains residential filter types and sizes, MERV ratings, step‑by‑step replacement instructions, when to DIY versus call a technician, recommended replacement intervals, measurement and compatibility tips, disposal guidance, and what subscription or maintenance‑plan options typically include.
Types of residential air filters and common sizes
- Fiberglass (flat): low cost, low filtration, typically 1 inch thick. Good only for basic protection of HVAC components.
- Pleated filters: higher surface area and efficiency; available in 1", 2", and 4" depths. Most common choice for balancing performance and cost.
- Electrostatic and washable: reusable options that can reduce waste; check HVAC compatibility before switching.
- High‑efficiency filters (HEPA or high MERV): used when allergies, asthma, or indoor contaminants are a major concern. These often require compatible duct/blower capacity.Common nominal sizes: 16x20x1, 20x25x1, 16x25x1, and deeper 16x25x4. Note that "nominal" differs slightly from actual measurement—measure to be sure.
Understanding MERV ratings and how to choose
- MERV 1–4: minimal filtration; traps large particles only.
- MERV 5–8: moderate filtration; suitable for most homes without special needs.
- MERV 9–12: better capture of small particles; good for households with pets or mild allergy concerns.
- MERV 13–16 and HEPA: high filtration for significant allergy, asthma, or medical needs.Choosing the right MERV:
- Check your furnace/air handler and manufacturer recommendations first. Higher MERV reduces airflow; older systems or smaller blowers may struggle with very high ratings.
- For Glen Ellyn homes with seasonal pollen and pet dander, MERV 8–11 often balances air quality and system performance. If household members have severe allergies, consider MERV 13+ only after confirming HVAC compatibility or using a whole‑house air cleaner.
Step‑by‑step replacement instructions (safe DIY)
- Turn off power to the HVAC system at the thermostat or switch to avoid blower activation while changing the filter.
- Locate the filter: common locations are the furnace/air handler cabinet, return air grille, or ceiling/closet return.
- Note the filter size printed on the frame or measure length x width x thickness (actual dimensions).
- Pull out the old filter and inspect for heavy buildup, holes, or mold. If you see mold, extensive debris, or rodent droppings, seal the old filter in a plastic bag for disposal and consider professional cleaning.
- Check the airflow arrow on the new filter; install with the arrow pointing toward the blower/furnace (away from the return).
- Slide the new filter into place, ensure it fits snugly without bending, replace access panel, and restore power.
- Record the installation date on the filter frame or in a home maintenance log.
Safety tips: don’t force an oversized filter into a slot, and avoid using high‑MERV filters if the system cannot handle the added resistance.
When DIY is appropriate and when to hire a technician
DIY is appropriate if:
- The filter is a standard 1–4 inch size in an accessible location.
- You can measure and purchase the correct replacement.
- No signs of mold, water damage, or wiring/duct problems are present.Hire a technician when:
- Filters are located in hard‑to‑reach or confined spaces (attic units, rooftop, etc.).
- You find mold, rodent infestation, or standing water in the cabinet.
- You plan to upgrade to high‑MERV or HEPA filters and need verification of blower capacity or static pressure.
- You notice persistent airflow problems, unusual noises, rising energy use, or repeated short cycling after filter replacement.
Recommended replacement frequency and signs a filter needs changing
Recommended intervals (adjust for your home and Glen Ellyn seasons):
- 1‑inch fiberglass: replace monthly.
- 1‑inch pleated: every 1–3 months.
- 2–4 inch pleated: every 6–12 months.
- High‑efficiency/HEPA: 6–12 months or as manufacturer suggests.Increase frequency during peak pollen seasons, after home renovations, if you have multiple shedding pets, or if someone in the home smokes.Common signs a filter needs changing:
- Visible darkening or dust buildup on the filter surface.
- Noticeably reduced airflow or uneven heating/cooling.
- Increased allergy symptoms, dust settling faster in rooms.
- Higher utility bills or longer run times for heating/cooling.
Measurement and compatibility tips
- Measure the filter slot and the old filter: record length x width x thickness. If the old filter shows a nominal size like "20x25x1," confirm actual measurements before buying.
- Match the airflow arrow orientation. Incorrect direction reduces performance.
- Before upgrading to a higher MERV, check your HVAC manual or consult an HVAC professional to confirm acceptable static pressure.
- For unique return grille filters, measure depth and ensure proper fit to prevent bypass leakage.
Impact of dirty filters on system efficiency and energy costs
A clogged filter restricts airflow, forcing the blower to work harder and run longer. Consequences include:
- Reduced comfort and uneven temperature control.
- Increased energy consumption and potentially higher utility costs.
- Greater wear on the blower motor and heat exchanger, increasing repair risk.
- Higher levels of indoor pollutants and allergens circulating in the home.Regular filter maintenance is a cost‑effective way to maintain system efficiency and extend equipment life.
Disposal and recycling guidance
- Disposable pleated/fiberglass filters usually go in regular household trash. Seal a used filter in a bag to contain dust before disposing.
- Washable or reusable filters can be cleaned according to manufacturer instructions and air‑dried fully before reinstalling.
- Some metal frame filters or parts may be recyclable; check DuPage County/Glen Ellyn recycling rules for specifics.
- If a filter is contaminated with mold, sewage, or droppings, treat it as contaminated waste: seal it and follow local disposal guidance or consult a professional.
Subscription and maintenance‑plan options (what to expect)
Homeowners typically choose between:
- Retail subscriptions for home delivery of the exact filter sizes on a schedule (monthly, quarterly, etc.), which helps maintain consistent replacement.
- HVAC maintenance plans that include periodic filter replacement, seasonal tune‑ups, and priority service. These plans often bundle inspections to verify that chosen filters are compatible and not causing strain on equipment.
- One‑time professional replacements for upgrades to higher efficiency or when complications arise.Benefits of regular plans include predictable maintenance, better indoor air quality, and fewer unexpected repairs.
Final notes and seasonal tips for Glen Ellyn homes
- Change filters before spring pollen season and again before heavy heating use in late fall. During construction, remodeling, or high allergy periods, check filters monthly.
- Keep return vents and supply registers clear of furniture and dust; vacuum around returns regularly.
- Consider whole‑house humidification or dehumidification to address Glen Ellyn’s seasonal humidity swings; proper humidity helps control dust mite populations and mold risk.
- Log filter changes with dates and MERV ratings to track performance and plan future purchases.
Consistent, correct air filter replacement protects your HVAC investment and keeps indoor air safer and more comfortable—especially important in Glen Ellyn where seasonal allergens and year‑round heating and cooling demands make filtration a priority.
Customer Testimonials
Exceptional service and professionalism, exceeding expectations every time.
The service is in the name: AMAZING. My experience from the quote with Doug to the installation by Dave and Jose was absolutely wonderful, transparent, informative, efficient, friendly, and professional. They REALLY know what they're doing. I can't thank them enough for installing my new furnace and AC in my condo. Definitely recommend this amazing company.
My central A/C went out and they came and fixed it the same day I called them. From the first point of contact to the service provided, I experienced outstanding customer service. The technician Donnie was great! He was very thorough, knowledgeable, and patient with my questions. They have a reasonable comprehensive membership program that I decided to join seeing my systems are getting old.
Great service, nice people!
Thad scheduled a service and all I can say is Thank you. Martin who came out to do the service was kind, friendly, informative and made sure everything was running the way it should. He was awesome. Thank you Martin and Thank you Amazing for being an awesome company from the first phone call to the install to the maintenance. You definitely have my business.
A trusted company and great service from Phillip
Dave is a very hard worker from the time he got here until the time he left. We felt comfortable with him in the house. He was polite. He installed our furnace and made sure everything worked correctly. Installed a new thermostat and helped get it up and running. Thank you Dave we appreciate your time and effort.
Very quick and very professional. The tech Phillip has serviced my unit the past 2 times and he is awesome. Very friendly, very hopeful and very efficient. Def recommend him and your company!!
Yearly check on furnace and ac. Phillip did a very thorough job checking both systems.
Phillip, Dave, and Jose were couldn't have been nicer. They installed my new water heater amazingly fast!
Phillip was on time and did a great job. Thanks Amazing!
They were able to add us in at the last minute, we're on time, quick and responsive
Fast, friendly service. Phil was on time and polite. I am very happy with the service we received.
Thave been using Amazing for years and they have always done a great job. The staff is trustworthy and professional. Amazing has installed my furnace (5 yrs. ago), my water heater (2 yrs. ago), and now my new Air conditioner. I highly recommend Amazing.
Philip came on time, very personable, and knowledgeable. Can always rely on Amazing Air for all our needs.
Dave was fantastic! He installed our new furnace and answered all questions. He cleaned up everything and made sure not to leave anything behind. Customer service has also been fantastic. I would highly recommend them!
Great installation of central AC by the Amazing Air team of Dave and Jose. Competitive pricing and great service as always.
I have been using amazing air for many years. They do an amazing job and their rates are reasonable. I was happy that Ace finally retired but will miss him. Mike is a wonderful replacement for Ace. Mike explained everything and was very pleasant to work with.
Donny took care of us with our annual furnace inspection and cleaning. Dave came and installed our new humidifier. They both were very kind, friendly, and professional. They know their trades! We definitely recommend Amazing Air, Inc., for all your heating and cooling needs.
Uriel, did an excellent job on quickly repairing an older commercial unit on the roof. He worked tirelessly to secure a new part and ensure the unit was up and running same day ! Great job !
Mike and Dominic took out my 22 yr old furnace and replaced a new one on the3 rd floor. So had a lot of steps to carry up and old out. Don’t exaggerate job finished up and cleaned up everything a very cold day great people to work with.! Great co
My furnace was cleaned and maintained. The technician was prompt, friendly, and knowledgeable. I definitely recommend Amazing Air.
We had a problem with our furnace, called Amazing Air for service, within an hour they had a serviceman out, diagnosed our issue and helped us come up with an informed solution. They installed a new furnace for us the next day and did an excellent, professional job. Dave and Mike were very informative and did a great job with the instalation
Mike, was awesome today. He quickly assessed the situation and fix our problem. He’s a true professional at what he does and will recommend him and Amazing to anyone who needs a great heating and cooling system technician. -Russell W. and Mandy J.
This place is fantastic.they offered to bring out temporary heat while we waited for installation. Doug gave us a great estimate and explained in detail what we needed without any attempt to upsell or hard sell. Mike provided a flawless professional installation. I definitely recommend Amazing Air.
Dave from amazing just finished installing our new furnace. He did a wonderful job. There should be more techs like him. Very hard worker, sociable and thorough. Doug should take him out to lunch sometime. Very happy and satisfied with the service amazing provides us.
Dave and Jose we courteous and respectful to us and our home. They removed our old furnace and installed the new one efficiently and professionally They made sure that everything was operating properly. My compliments to them and everyone at Amazing Air.
Our tech came on time,was very friendly, checked out our furnace and water heater and other than we have an older unit everything checked out fine.He did a great job, hope we see him again for any future services!
Do you need a winter furnace tune up? Call Amazing! I have literally been using them for decades and you will not find a better company. They are dependable, reputable and they know their stuff. The techs are all personable, kind, neat, courteous guys. Shout out to Mike P! I promise you will be 100% satisfied with this company. Just tell them Myra Sent you 😉
Very happy with this company .No issues with arriving to take care of issues with air company,Phillip is great ,explains everything in detail Very hospitable,and cares about your needs,am very happy to have Amazing Air for my Hvac needs
A very nice gentleman showed up (I think his name was Phil). I was very happy with the service. It was easy and I really didn’t need to do anything.
Amazing Air, Inc. does a wonderful job maintaining our furnace. The technician, Uriel, was prompt, kind, and thorough. We appreciate their service & upkeep of our system.
We had a check up done on Air Conditioner, Phillip was our technician, he was fast friendly and even fought off some wasps trying to hide out near our compressor.
Fantastic experience with our air conditioner replacement. Dave and Jose did an AMAZING job and were friendly, courteous and knowledgeable.
Quick response and great service! Mike arrived earlier than expected which was great. He knew what the issue was with my AC unit and thoroughly explained everything. Fixed the problem quickly and neatly!
Reliable, prompt, knowledgeable, friendly technicians. They offer a nice plan which covers any labor cost, including the A/C clean & check which Phil came out to do today. Great job Phil, thank you!!
Very happy with Amazing. I've relied on them for years and including a very reasonable maintenance plan. Phil was out earlier this week for annual A/C tune up and continued Amazing Air's commitment to being best in class.
Phillip was on time and very considerate of my house using his shoe covers each time entering my house. He did a great job cleaning the furnace and air conditioner. Amazing Air is a very good company .
Since we have the gold package Phil was able to be dispatched to our house in a reasonable amount of time the same day I called. When Phil arrived he was polite and professional. Diagnosed the problem quickly and fixed it. Great work on a 95 degree day! More
Amazing Air has always been good to us, but recently we had work done and Dave and Jose did an exceptional job. Very friendly and knowledgeable and made us feel comfortable with their expertise. Thank you.
Customer service by office staff and techs is top quality. Mike (tech) is friendly and is great at explaining what he is seeing and doing. He saved me a lot of $ by repairing my current humidifier instead of replacing it.
Amazing did a great job, came early and worked efficiently. Dave and Jose were very polite, friendly, and very respectful of our home. At the end they explained everything they did and walked me through everything involved including routine maintenance. Thanks for doing a great job!
Dave and Jose we courteous and respectful to us and our home. They removed our old furnace and installed the new one efficiently and professionally They made sure that everything was operating properly. My compliments to them and everyone at Amazing Air.
Technician from Amazing Heating and Air Conditioning came out on time and very respectful and polite and completed the maintenance services and he reviewed with me him the finding. Also call center very helpful in scheduling appointment! Thank you!
I have become accustomed to good service by Amazing Air and my most recent visit met my expectations. On-time as scheduled , polite, efficient & thorough. Been using Amazing for almost 20 years and will continue to do so.
Service Areas
