Did you know that most of the heating system problems originate from a poorly cared-for gas furnace filter?

A gas furnace filter is a small part of an HVAC system, but it does much more than many people know. If you do not take care of it as needed, you can be sure that you will experience all sorts of problems: high energy bills, improper heating, and poor air quality. In fact, many of the gas furnace repair in Santa Clarita that we do originate from not taking care of the filters over a long period.
But how serious can it get? If not well taken care of, you may need premature constant AC repair Santa Clarita, and if worse comes to worst, you may need to get a gas furnace replacement.

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Are you wondering how to take care of them?
Read on for a detailed gas furnace filter guide.
What Is A Gas Furnace Filter?
A gas furnace filter is a crucial component within an HVAC system, as it traps airborne particles such as dust, debris, and allergens.
It ensures cleaner indoor air quality by preventing these particles from circulating throughout the home. By capturing and containing these impurities, the filter enhances air quality and protects the furnace from potential damage caused by debris accumulation.
A dirty air filter, whether in an air conditioner or a gas furnace, is the root of many gas furnace problems; beware.
The Uses of Gas Furnace Filters
“I clean this house often, but it is always stuffy and dusty...” Have you considered that the problem could be a dirty filter? When offering heater repair Santa Clarita, we’ve noticed that this is a common issue many homeowners need to address.

So, what is the role of air filters in your home and HVAC operation? Here are the uses of gas furnace filters.
- Improved Air Quality: Gas furnace filters are a barrier, capturing and containing airborne particles. These can include dust, pet dander, pollen, and other allergens. The filter traps these impurities, preventing them from recirculating throughout the home and enhancing indoor air quality. This is especially beneficial for people with respiratory problems or allergies.
- Enhanced Efficiency: A clean filter allows for better airflow within the HVAC system. Unobstructed airflow ensures the furnace operates efficiently, allowing it to distribute heat evenly throughout the home. This, in turn, reduces energy consumption, resulting in lower utility bills.
- System Protection: Air filters prevent debris and particles from entering the inner mechanisms of the furnace. Accumulating dirt or dust within the system can lead to malfunctions, overheating, or damage to vital components. The filter acts as a safeguard, prolonging the furnace’s lifespan and minimizing the risk of gas furnace replacement.
Gas Furnace Filter: Types of Air Filters
Looking to get a new air filter? Keep in mind that they come with different features. Be sure to consider filter efficiency, thickness, size, and whether you want a washable or disposable filter.
Some HVAC systems are designed to use only a specific type, while others are compatible with different varieties. Please consult your HVAC technician if you need clarification on your gas furnace.
Either way, here are the most popular home air filter types:
- Fiberglass Filters: These are the most common and affordable filters. They consist of layered fiberglass and are designed to capture larger particles. While they’re suitable for protecting the HVAC system, they might need to be more effective at improving air quality.
- Pleated Filters: Pleated filters provide enhanced filtration through increased surface area. Their increased efficiency in capturing smaller particles makes them a popular choice for homes.
- HEPA Filters: These high-efficiency particulate Air (HEPA) filters are popular for their exceptional filtration capabilities. They can trap up to an incredible 99.97% of particles as small as 0.3 microns. These are highly beneficial for individuals with allergies or respiratory issues.
- Washable Filters: Washable air filters can be cleaned and reused, making them a more eco-friendly choice. While they may save money in the long run, they often have a lower filtration efficiency than disposable filters.
- Activated Carbon Filters: These filters are highly effective in removing odors and gases from the air. They use activated carbon in their operation. They’re commonly used alongside other filters for odor control and particle capture.
- UV Filters: These filters are primarily designed to sterilize the air rather than physically trap particles. They use ultraviolet light in their operation. They’re effective against specific airborne pathogens, such as bacteria and viruses.
Understanding the different types of HVAC filters will help you choose a new filter that best suits your needs.
Gas Furnace Filter: Care And Maintenance
Taking care of your gas furnace filter can help lower energy costs and keep airborne particulates at bay.

It is not only for the good of the people living in your house. It is also beneficial for the longevity of your HVAC system.
Here are some tips to take good care of your filter:
- Regular Inspections: Check the air filter regularly, ideally once a month, especially during peak seasons. A visual inspection helps determine if the filter is clogged or dirty and needs replacement.
- Replacement Schedule: Filters should be replaced based on the manufacturer’s recommendations or every 1-3 months, depending on usage and the type of filter. Higher-efficiency filters might have longer lifespans but still require periodic replacement.
- Proper Installation: When installing a new filter, ensure it’s placed correctly, following the directional arrows to ensure adequate airflow. Improperly installed filters can decrease system efficiency.
- Professional Maintenance: Incorporate filter checks and replacements into routine HVAC maintenance schedules. Professionals can assess the system and provide guidance on optimal filter choices and replacement frequencies.
- Cleaning Washable Filters: If using washable filters, follow the manufacturer’s guidelines for cleaning. Regular filter cleaning ensures they maintain their efficiency without accumulating dirt.
- Monitoring Air Quality Changes: Keep an eye on changes in air quality or system efficiency. If the air quality decreases or the system’s performance is reduced, it may be time to check or replace the filter.
Gas Furnace Filter: DIY Filter Replacement
While services such as furnace installation in Santa Clarita, CA are best left for professionals, some, such as simple filter replacement, can be done by you.

DIY furnace filter replacement is a manageable task, but it’s essential to do it properly to maintain the system’s efficiency and indoor air quality. Here’s a step-by-step guide:
1. Safety First
Before starting, turn off the furnace to prevent it from kicking in while working on it. This is crucial for your safety.
2. Locate the Filter
Finding “where the furnace filter is located” would be your next step.
The air filter, often rectangular in shape, resides near the blower. It’s usually encased in a frame, and its size is usually marked for easy identification. Refer to the furnace manual if you need clarification on its placement.
3. Assess Filter Size and Type
Ensure you have the correct replacement filter, in the correct size and type (e.g., pleated, HEPA, washable). The filter size is usually printed on the frame(1).
4. Remove the Old Filter
Carefully slide out the dirty filters, taking note of their orientation if it’s not marked. Dispose of it properly. Keeping the orientation in mind will help you know which way to put the air furnace filter in the furnace.
5. Install the New Filter
Put a new filter in the same orientation as the old one. Follow directional arrows on the filter, ensuring it faces the correct airflow direction.
6. Securely Close the Compartment
Ensure the filter is securely in place and the compartment is closed correctly before turning the furnace back on.
7. Record Replacement Date
Record the replacement date to track when the following change is due. This can be noted on a calendar or in your phone for reference.
Change the filter at least monthly, especially during the peak season.
8. Turn the Furnace Back On
Once the new filter is installed, turn the furnace back on and monitor its performance to ensure everything works properly.
HVAC Santa Clarita To The Rescue: Furnace Filter Replacement
Remember, while DIY filter replacement is manageable, it’s always best to consult a professional if you’re unsure about any step. Additionally, if your furnace is in a hard-to-reach location or requires specialized tools for access, having a technician handle the replacement might ensure it’s done accurately.
Feel free to call us to consult on filter sizes, changing, and replacement services. If you are in Santa Clarita, we’re just a phone call away from you.
We can also service, repair and install heating system Santa Clarita.
FAQs – Gas Furnace Filter
What problems can arise from dirty air filters?
Dirty air filters can cause reduced airflow, leading to strain on the HVAC system, decreased efficiency, and increased energy consumption. It can result in frozen coils, overheating, poor air quality, and potential system breakdowns, impacting both comfort and the system’s longevity.
How Often Should I Replace the Gas Furnace Filter?
Gas furnace filters should be replaced every 1 to 3 months, depending on factors such as the type of air filter, household conditions, and usage. High-efficiency filters last longer, while homes with pets or those with allergy sufferers may require more frequent replacements for optimal performance.
Final Words: Gas Furnace Filter
We’re now calling it a wrap for our gas furnace filter guide.
HVAC Santa Clarita is committed to ensuring your home’s comfort and air quality. Our expert team offers comprehensive HVAC services, including precise installations, thorough maintenance, and swift repairs for heating and cooling systems. We also offer heat pump services in Santa Clarita.
We guide you in selecting the ideal filters to optimize air quality and system efficiency. With a focus on customer satisfaction, we provide tailored solutions, from resolving complex HVAC issues to offering routine maintenance tips. Trust us to deliver reliable, high-quality service, ensuring your HVAC system operates at its best and providing a comfortable, healthy home environment for you and your family.
References
https://www.nytimes.com/wirecutter/reviews/furnace-and-air-conditioner-filters-we-would-buy/