How do I change my AC filter?



5 Easy Steps for Replacing Your AC Filter

Air conditioning filters should be changed regularly to ensure the units performance and efficiency. To achieve this, it is crucial to understand when to change your AC filter, the appropriate MERV rating, how to locate an AC filter in a furnace and finally replacement instructions if an AC Filter wont come out due to difficulty or obstructions. In order to simplify this process for those looking for advice on replacing their air conditioning track filters, here are 5 easy steps outlined:

Importance of changing AC filters regularly

The importance of changing the air-conditioner filter regularly cannot be underestimated. The AC filter is responsible for trapping dust, dirt, and other airborne particles from entering your home’s air supply, which can help improve indoor air quality. It also helps maintain efficient operation of your HVAC system by preventing clogs in the ductwork or on components that could lead to costly repairs down the line. Generally speaking, it’s recommended change out your AC filters every three months; however, this timeline may vary depending on factors such as pet hair and dander levels in your home or even if you have recently remodeled or painted a room.

In order to determine when its time to replace an existing AC filter with a new one, you should first consider its MERV rating (Minimum Efficiency Reporting Value). A higher MERV rating indicates better filtration capabilities—meaning more airborne particles are being trapped at any given time—and therefore requires more frequent replacement intervals than those with lower ratings. If uncertain about what type of filter is best for your particular unit and lifestyle needs, consulting with a professional HVAC technician can provide valuable insight into selecting the most effective option for optimal performance and efficiency.

Once ready to swap out old filters for fresh ones, locate them inside either the furnace cabinet door or return-air grille near where they were initially installed; this will depend upon the specific model type so refer back to manufacturer instructions if needed during installation process. In some cases though due age/build up debris around frame edges etc., removal might prove difficult; use caution when attempting extraction as not doing so properly could cause damage within the unit itself thus requiring service call from a specialist technician – avoid unnecessary expense by using correct tools & following instructions carefully!

Types of AC filters and which one to choose

When it comes to air-conditioning filters, there are several types available for homeowners to choose from. The most common type is the disposable filter, which is usually made from fiberglass or polyester material. These filters need to be replaced on a regular basis as they become clogged with dirt and dust particles over time. Another type of filter that can be used in an air-conditioner system is the high-efficiency particulate air (HEPA) filter. This type of filter has higher MERV ratings than standard disposable filters, meaning it will trap more airborne particles such as pollen, bacteria, mold spores, and other allergens before they enter your home’s indoor environment.

The third type of AC filter that you might come across when shopping around is the pleated media style which offers even better filtration capabilities than HEPA filters due to its larger surface area for trapping contaminants. It also requires less frequent replacement since it can hold more dirt and debris without becoming clogged quickly like traditional disposable filters do. When choosing between these three types of AC filters, consider your budget as well as how often you need to change them out in order for them to remain effective at keeping your home clean and healthy indoors all year round.

If you have difficulty locating the correct size or shape of AC filter needed for your furnace unit then consult with a professional HVAC technician who can help identify what kind would best fit into your system’s existing setup while providing advice on when it should be changed out during routine maintenance visits too if necessary. Additionally, if you find yourself struggling with trying to remove an old dirty one then follow any specific instructions provided by the manufacturer regarding proper replacement techniques including ensuring all safety precautions are taken prior attempting this job yourself rather than calling in someone else who specializes in this field just yet until absolutely sure about doing so first hand instead!

How to locate the AC filter in your system

AC filters are an important component of any air-conditioning system, as they help to purify the air and reduce allergens. It is important to know how to locate the AC filter in your system so that you can change it when necessary. This article will provide some tips on locating your AC filter and changing it out for a new one.

When looking for the AC filter in your system, start by checking around the furnace or blower compartment. Many times these components contain access panels that allow easy access to the interior of the unit where you can find both return ducts and supply registers that may house an AC filter. If you cannot find a panel, then look for visible slots or openings near these components that could be used for ventilation purposes; this is usually where an air conditioner’s filter would be located.

Once you have found your AC filter, take note of its MERV rating before replacing it with a new one; this rating indicates how efficient at catching airborne particles like dust mites, pollen, and pet dander each type of filtration device is rated from 1-16 (with 16 being the most effective). When selecting a replacement, make sure to choose one with similar efficiency ratings as those previously installed in order to ensure optimal performance from your HVAC unit over time. Additionally, if possible try not to remove old filters too forcefully since doing so might damage them beyond repair – instead use gentle pressure while pulling them out gently until they come loose freely without resistance or difficulty.

The step-by-step process of changing an AC filter

Changing an AC filter is a simple process that can be done by anyone with basic knowledge of the system. However, it is important to know when to change your AC filter and what type of MERV rating you need for optimal performance.

The first step in changing an AC filter is determining when it needs replacing. Generally, filters should be changed every 90 days or sooner if they become visibly dirty or clogged. This will ensure maximum efficiency from your air-conditioning unit and help reduce energy costs associated with running the system too often due to clogged filters. To determine which type of MERV rating you need for your particular model, consult the manufacturer’s instructions or contact a professional HVAC technician who can recommend the best option for you based on the size and usage levels.

Once you have determined when to replace your AC filter and what type of MERV rating is necessary, locate where the filter sits inside your furnace or air handler unit; this may require removing panels from around these units depending on how accessible they are located within the home environment. Once found, use caution as some older models may contain asbestos insulation which could release harmful particles into the air if disturbed without proper safety precautions being taken beforehand such as wearing protective gear like masks and gloves during removal processes . If possible remove any debris from around edges before attempting to pull out old filer – sometimes dirt buildup causes them not come out easily so extra care must taken here! Finally install new one following directions provided either manufacturers manual included package itself (if applicable) otherwise refer back professional assistance needed further guidance installation process the manufacturer successfully.

Troubleshooting potential issues when changing AC filters

When it comes to troubleshooting potential issues when changing an AC filter, there are a few things that need to be kept in mind. First and foremost is the MERV rating of the filter; this is important because it determines how effective your air-conditioning system will be at filtering out contaminants from the air. Additionally, you must know where to find the AC filter within your furnace or HVAC unit – typically they can be found behind a panel located near the blower motor.

Once you have identified where your AC filter is located, you should check for any signs of damage or wear before attempting to replace it. If any problems are detected then professional assistance may be required before continuing with replacement instructions. Furthermore, if there appears to be difficulty removing the old AC filter due to age or size then use caution as pulling too hard could cause further damage which would require repairs by a qualified technician.

Finally, once all safety precautions have been taken and you’re ready for installation of a new AC filter make sure that its size matches up perfectly with its designated slot in order for optimal performance from your air-conditioning system; this includes checking both length, and width measurements as well as ensuring proper fitment around edges so that no gaps exist between filters and their housing units allowing unfiltered airflow into circulation systems throughout buildings/homes etc.

Frequently Asked Questions

What is the proper MERV rating for AC filters?

The recommended minimum efficiency reporting value (MERV) rating for air conditioner filters is determined based on the size of particulate matter and the type of application. Generally, a MERV 8 to 12 rating is suitable for residential systems, while MERV 13 to 16 ratings are advised for commercial applications.

How often should an AC filter be changed?

The AC filter should be changed at least every three months.

Where can I find my AC filter in a furnace?

The air filter for your furnace can typically be found within the unit itself.

What do I do if my AC filter wont come out during replacement instructions?

If the AC filter will not come out during replacement, try gently tapping and pushing it from multiple directions until it is released. If this fails, contact a qualified technician for further assistance.


Replacing an A/C filter is a simple and essential part of ongoing home maintenance. To ensure the best possible air quality in your home, it is recommended to replace your A/C filters every 1-3 months depending on brand, usage intensity, and the MERV rating. Before beginning a replacement or upgrade of your AC filter it is important to locate where the AC unit’s air filter sits inside either a furnace or return vent box. Regularly removing old filters will decrease potential damage to unit components by preventing dirt buildup in blowers and coils. Following removal instructions for replacing with extra caution when handling helps avoid environmental hazards from leakage of particles back into the system causing strain on performance efficiency. In conclusion, familiarity with how often change you should change out your AC filters as well as understanding how to find yours along with proper insertion techniques can help increase longevity for hassle free comfort all year long!

air conditioner maintenance service

ac service nearby me

home cooling services

hvac service and repair

heating and cooling company

Click to Call: 971.364.8440

About Us

The main priority of our HVAC contractors is providing our customers with comfort, efficiency, and excellent service.

Need Service?

We can repair your system right away or add value and comfort to your home with one of our professionally installed systems.


Want to know more? Then read what some of our amazing customers had to say about us. Or leave a review yourself.

100% Guarantee

We guarantee that all the work performed by the techs at Efficiency Heating & Cooling will leave you feeling 100% satisfied.
Address:   4040 SE International Way
STE E105 Milwaukie, OR 97222

Hours:   Mon – Fri: 7AM – 6PM
Sat – Sun: by Appointment

CCB#   187834

Book Now