How Often to Change a Furnace Filter in Perris, CA

Do you know how often to change a furnace filter? Now’s your chance to learn! As a provider of heating repair services in Perris, CA, Inland Empire Comfort outlines your ideal replacement frequency below.
A Brief Intro to Furnace Filters for Perris Property Owners
Before diving into the topic at hand, let’s explore some furnace filter basics:
- Each HVAC system works best with a particular filter type. Every filter has a Minimum Efficiency Reporting Value, which details the smallest particle size it can capture. Choose the MERV rating recommended by your HVAC manufacturer.
- Dirty filters decrease energy savings and overwork your furnace. If you forget to change your filter for too long, you’ll pay more for utility bills and repair services in Perris, California.
- You can choose from replaceable or reusable filters. You can’t reuse replaceable filters, but you can wash a reusable one while placing the other one into your return register.
Now, you want to know how often to change a furnace filter. Let’s jump into the details.
How Often to Change a Furnace Filter
Most Perris residents need a filter replacement at least every three months. However, the frequency may fluctuate based on your lifestyle habits, household cleanliness, and overall health. You’ll see how these factors determine replacement frequency below.
With Pets
Pets like dogs and cats shed hair dander from their bodies. These particles add more airborne debris to your home. As the filter catches them, they reduce airflow efficiency by preventing clean air from moving through the fibers. Therefore, you should replace your filter every month or two.
When Smoking Indoors
Smoke is a potent allergen and air quality contaminant. Ideally, a property owner will take their habit outdoors. Indoor smokers should switch their filters once every two weeks to keep tar and other chemicals from continually circulating throughout the building.
When You Have a Respiratory Health Condition
You might have a respiratory illness that makes breathing difficult under typical circumstances. Some examples of these health conditions include:
- Asthma
- Sleep apnea
- Lung cancer
- Emphysema
- Chronic obstructive pulmonary disease or COPD
If you suffer from these or other respiratory diseases, you might switch out your old furnace filter every 20 days or a month and a half.
Tips for Filter Maintenance
What else should you know about furnace filters? After all, knowing how to change a furnace filter isn’t the only aspect. Consider the following recommendations from our HVAC team:
- Schedule twice-annual seasonal maintenance with Inland Empire Comfort.
- Dust your exit vents and return registers regularly.
- Sweep the floor around your return register every other day.
- Sweep the whole building’s floor two to three times weekly.
- Dust and wipe down surfaces once or twice weekly.
You can also try Inland Empire Comfort’s indoor air quality solutions to supplement your efforts.

Ask Inland Empire Comfort About Heating Maintenance Recommendations in Perris, California
Now that you know all about how often to change a furnace filter, find out about other HVAC topics, like wiring a furnace shutoff switch. Contact Inland Empire Comfort for HVAC maintenance and air quality solutions in Perris, California.
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