Living in Houston, we experience a unique climate—hot summers, high humidity, and plenty of airborne allergens like pollen and dust. Your HVAC system works hard to keep your home comfortable, but one of the simplest and most effective ways to maintain it is by changing your air filters regularly.
But how often should you replace them? The answer depends on a few key factors.
General Rule of Thumb for Air Filter Changes
For most Houston homes, it’s recommended to change your air filter every 1 to 3 months, but specific factors may require you to do it more frequently.
Factors That Affect How Often You Should Change Your Air Filter
1. Houston’s Humid & Dusty Climate
• The humidity in Houston can cause air filters to clog faster, especially in the summer.
• Pollen and dust levels can also be high, making it important to check your filter every 30-60 days.
2. Type of Air Filter You Use
• Fiberglass filters: Cheaper but need replacing every 30 days.
• Pleated filters: Last longer, typically 60-90 days.
• HEPA filters: Can last up to 6 months, but they may restrict airflow if not checked regularly.
3. Do You Have Pets?
• Pet hair and dander can clog filters quickly. If you have pets, change your filter every 30-45 days.
4. Allergy Sufferers in the Home
• If you or a family member suffer from allergies or asthma, replacing the filter every month can help improve indoor air quality.
5. How Often You Run Your HVAC System
• If your AC runs constantly (which is common in Houston summers), your filter will clog faster. Consider replacing it every 30-45 days.
Why Changing Your Air Filter Matters
✔ Improves Air Quality – Reduces allergens, dust, and pollutants inside your home.
✔ Extends HVAC Lifespan – A clean filter prevents strain on your system, reducing wear and tear.
✔ Saves on Energy Bills – A clogged filter makes your HVAC system work harder, increasing energy costs.
✔ Prevents Costly Repairs – A dirty filter can lead to overheating, frozen coils, and airflow issues.
Final Recommendation for Houston Homeowners
• Standard Homes (no pets/allergies): Change every 60-90 days
• Homes with Pets: Change every 30-45 days
• Homes with Allergy Sufferers: Change every 30 days
• High-Usage HVAC Systems (especially in summer): Check every 30 days
Need help with HVAC maintenance? Orbit Air and Heat is here to help! Contact us today for expert service and advice on keeping your system running efficiently.
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