The Impact of Air Filter Ratings on Indoor Air Quality
When it comes to maintaining your HVAC system, one of the most crucial yet often overlooked components is the air filter. Today, let’s dive deep into MERV ratings and why they matter for your indoor air quality and system efficiency.
What is a MERV Rating?
MERV (Minimum Efficiency Reporting Value) ranges from 1 to 20, with higher numbers indicating better filtration. Here’s what you need to know:
- MERV 1-4: Basic filtration for large particles
- MERV 5-8: Medium filtration, good for residential use
- MERV 9-12: Superior residential filtration
- MERV 13-16: Hospital and commercial grade
- MERV 17-20: HEPA filters for specialized applications
Choosing the Right MERV Rating
Most residential HVAC systems work best with filters rated MERV 8-13. Going too high can restrict airflow and strain your system, while too low won’t provide adequate filtration. Consider these factors:
- Home occupants’ health needs
- Presence of pets
- Local air quality
- System specifications
Maintenance Tips
To maintain optimal performance:
– Check filters monthly
– Replace every 60-90 days
– Consider more frequent changes during high-use seasons
– Monitor system performance after filter changes
Remember, proper filter selection and maintenance not only improve air quality but also enhance system efficiency and longevity. Regular maintenance helps prevent costly repairs and ensures your system operates at peak performance year-round.
Contact our experienced technicians for professional guidance on selecting the right filter for your specific system and needs.