Call Us
Schedule Service

It is essential to understand air filters and their crucial role in maintaining healthy indoor air quality. This post will explore the key aspects of air filters—an indispensable part of your HVAC system—and highlight their importance in ensuring a clean and breathable environment.

The Role and Functionality of Air Filters

Air filters protect HVAC components from particulate damage and improve indoor air quality by capturing contaminants like dust, pollen, and other airborne particles. Typically made from fiberglass or pleated paper within a cardboard frame, these filters are essential for maintaining an efficient, high-performing HVAC system.

Importance of Regular Air Filter Changes

Regularly changing your air filters is an important part of HVAC maintenance. A dirty or clogged filter blocks airflow, making your system work harder. This can lead to higher energy bills and costly repairs. How often you need to replace your filter depends on factors like the size of your home, the presence of pets, and the frequency the system is used. Most 1-inch filters should be changed every two to three months.

Understanding MERV Ratings

The minimum efficiency reporting value (MERV) measures how well air filters trap particles. Higher MERV ratings capture smaller particles, but they can also reduce airflow. For most homes, a MERV rating between 8 and 11 works best. Consulting a professional can help you select the right air filter for your HVAC system.

HEPA Filters

High-efficiency particulate air (HEPA) filters, known for their high MERV ratings, offer excellent filtration, but their dense design can severely restrict airflow. As a result, they are generally not suitable for standard residential HVAC systems without major modifications. It’s important to consider this to avoid unintentionally damaging your system.

Proper Fit and Replacement

It’s important to make sure your air filter fits correctly. It should not be too tight but secure enough to seal properly. If the filter is the wrong size, air can bypass it and make it ineffective. Always check the dimensions of your old filter when buying a new one. 

Choosing the Right Air Filter

Choosing the right air filter can be overwhelming. You need to consider several factors such as material type, your home’s specific needs, your local climate, and your HVAC system. Consulting a local HVAC professional can guide you through the selection process, helping to ensure optimal indoor air quality and system efficiency.

Ashworth Heating & Cooling is here to help you choose the right air filter. We offer top-notch HVAC services to residents of Milton, WV, and the surrounding areas. Call us at (304) 743-8895 or fill out our contact form for a consultation.