July 13,2023

How Frequently Should Homeowners Replace Air Filters?

Installing and regularly replacing an HVAC air filter is essential to maintaining the efficiency and performance of any heating, ventilation, and air conditioning (HVAC) system. How frequently you should change it depends on various factors. Zion Custom Air explores them to help determine when to change your HVAC air filter or if you need AC repair.

Factors to Consider When Deciding How Frequently to Replace HVAC Air Filters

Type of Air Filter

Your HVAC system's air filter type is integral to its replacement frequency. Various kinds of filters are available such as fiberglass, pleated, and HEPA filters - each type requires frequent replacement to remain effective and functional.

Fiberglass Filters

Fiberglass filters are inexpensive but have limited filtration capacities, typically being replaced once every 30 days or once every month.

Pleated Filters

Pleated filters are more effective in trapping dust and contaminants than fiberglass filters, typically lasting three to six months, depending on how polluted your home's air is.

HEPA Filters

High-Efficiency Particulate Air (HEPA) filters provide superior air filtration and are frequently found in homes where residents suffer from allergies or respiratory conditions. HEPA filters typically last one year before needing replacement.

Level of Air Pollution

Your level of air pollution determines how quickly your air filter becomes clogged and may necessitate regular replacement. Replacing it more frequently may be necessary if you live in an urban area with high dust, pollen, or pollution.

Frequency of HVAC Use

Your frequency of HVAC usage also affects how long an air filter lasts. If it runs continuously for extended periods or frequently enough, its filter may quickly accumulate debris and require replacement more often.

Age and Condition of HVAC System

The age and condition of your HVAC system will affect how often you should replace its air filter. Older systems or those in poor condition may reduce airflow, leading to faster clogging up of its filters. Regular inspections and maintenance checks can help identify potential issues that may shorten lifespan.

Signs Point to Filter Replacement Need

To ensure the optimal functioning of your HVAC system, you must be aware of signs indicating when to change out your air filter. If any of the following occur:

Poor Airflow

Reduced airflow from your vents often indicates that something is blocking the filter, restricting how much-conditioned air reaches your living areas.

Excessive Dust Buildup

Any signs of excessive dust accumulation on surfaces or near vents indicate that your air filter is no longer effectively trapping airborne particles.

Strange Smells

Odors emanating from your HVAC system could indicate a dirty or clogged air filter, leading the system to circulate stale or musty air into the house.

Increased Energy Bills

If your energy bills have suddenly increased without apparent cause, this could be down to a dirty air filter. A clogged filter forces the HVAC system to work harder, consuming more energy.

Unusual Noises

If you hear strange sounds such as rattling or banging, this could indicate restricted airflow caused by a clogged air filter.

Tips for Maintaining an HVAC Filter in the Summer

Follow these tips to maintain your air filter effectively during summer months and ensure the most efficient operation of your HVAC system:

Select an Appropriate Air Filter

Consider your specific filtration needs when choosing an air filter that best meets them. Fiberglass filters may suffice for basic needs, while pleated or HEPA filters provide superior filtration capabilities.

Regularly Check and Replace Your Air Filter

For optimal performance, inspect and change out the filter every 30 days or as its manufacturer recommends. Replace when it appears dirty or clogged, even if it falls outside its suggested replacement period.

Keep Your HVAC System Clean

Regularly cleaning around your HVAC system will help keep dust and dirt from entering, increase the filter life span, and prolong its lifespan.

Change Your Air Filter When Undergoing Home Renovations

Suppose your renovation or construction work generates dust and debris. In that case, frequently changing your air filter is advisable to prevent particles from building up and hindering HVAC performance.

Upgrade to a High-Efficiency Air Filter

If air quality or health concerns you, investing in a high-efficiency air filter such as HEPA could provide better filtration for cleaner indoor air.

Regular Maintenance

With knowledge of what factors influence air filter replacement frequency and following these maintenance tips, homeowners can ensure their HVAC systems operate effectively while improving indoor air quality and prolonging equipment lifespan. Regular maintenance and timely filter replacements create a healthy living environment that comforts their family.

Additionally, to regular filter replacement, there are additional steps you can take to optimize the performance of your HVAC system and improve indoor air quality. Consider adopting one or more of the following practices:

Schedule Professional HVAC Maintenance: Regular professional maintenance on your HVAC system is key for its longevity and efficiency. A trained technician can inspect, clean, and identify potential issues within its components, such as the air filter and any possible areas hindering its performance.
Maintain a Clean Living Environment: Regularly dust, vacuum, and mopping your home free of dust and debris. Doing this can reduce airborne particles that clog your air filter.
Seal and Insulate: Sealing and insulating your home to minimize air leakage and lower dust, pollen, and pollutants entering your living spaces is important to minimize the workload on HVAC systems and prolong filter lifespans. Doing this helps minimize the HVAC workload and extend the filter lifespan.
Control Humidity Levels: High humidity can contribute to mold and mildew growth, negatively impacting indoor air quality and quickly clogging your filter. Dehumidifiers or HVAC systems with humidity controls are great tools for maintaining ideal humidity levels in the room.
Inform Your Household Members: Educate all household members on the importance of maintaining a clean HVAC system and its purpose - in particular, the role of the air filter - while prompting them to report any unusual smells, noises, or issues with airflow quickly to address potential major issues before they escalate further.

Remember, while these tips may help maximize the performance and lifespan of your HVAC system and air filter, it is still imperative that you follow manufacturer recommendations and consult a professional for guidance specific to your system.

Zion Custom Air

We understand the significance of regular filter replacement and HVAC maintenance to ensure optimal performance and indoor air quality. Our HVAC company team of highly-skilled professionals is here to assist with all your filter replacement and air conditioning repair needs, whether that means guidance in selecting an air filter that best fits your home environment, expert assistance maintaining or repairing an HVAC system, or anything in between; contact us now and let us put our experience and dedication into making your home comfortable while improving air quality! Let our top-tier services make a difference today!