Maintaining proper indoor air quality and keeping your HVAC system running efficiently in your Columbia, Maryland, home are two of the most important things for both your comfort and your wallet. One way to help your system work well and keep the pollutants from circulating through your indoor air is by getting a filter with the proper MERV rating.

What is a MERV Rating?

MERV stands for Minimum Efficiency Reporting Value, and it is a way to measure the efficiency of your HVAC air filter. Efficiency is scored by the number of pollutants and allergens that the filter effectively traps and prevents from getting into the air. Basically, as the MERV rating goes up, so does the percentage of airborne contaminants that will be trapped, leading to better indoor air quality.

What Are the Ranges for MERV Ratings?

Your MERV ratings will fall into one of the four ranges listed below.

  • Rating 1-4 – These ratings are considered on the low end of the filters. These filters can remove the large contaminants that could cause damage if they were to work their way into the HVAC system. While they help protect your system, they do little to improve air quality.
  • Rating 5-8 – These filters usually have 1 to 2 -inch pleats and are used in both commercial and residential settings. They not only remove large contaminants, but also smaller harmful particles such as dust, biological growth, and VOCs.
  • Rating 9-12 – This range of filters prove to be more efficient and can help improve indoor air quality in your home. They have deeper pleats and work well at removing many airborne pollutants.
  • Rating 13-16 – These filters are primarily used in hospitals to completely eliminate contaminants but are not advised for homes as they can restrict airflow and are only meant to be used with commercial systems.

Want to find out more about which MERV rating will work the best for your home and system? Contact Griffith Energy Services, Inc. at 888-474-3391 to learn more.

Image provided by Shutterstock

Dear Customers,

At this time, when the news is dominated by the Coronavirus (COVID-19) health emergency around the world, we wanted to personally reach out and let you know that we are vigilantly implementing enhanced protocols to ensure your safety and the safety of our team.

We are closely monitoring the guidance of the World Health Organization and the Centers for Disease Control regarding the spread of the virus. This is an evolving situation and we will continue to develop and take necessary measures as needed. Our focus is to ensure that we meet customer needs while doing our part to keep you, our employees, and our communities safe.

Here’s what we’re doing:

  • Everyone on our team has received enhanced training and protocol briefings. We will continue to evolve and adjust these protocols as needed.
  • We are implementing telecommuting options for positions where applicable.
  • Non-essential work travel is currently on hold for all employees.
  • We are conducting enhanced cleaning practices at our locations and are instructing employees to continually sanitize their work stations and vehicles.
  • We are also urging all employees to be vigilant about frequent hand washing.

Information for you:
If you have an existing service appointment, we look forward to seeing you and want to reassure you that we are doing everything we can to promote a safe and secure service experience.

During this challenging time, if you are experiencing symptoms related to the COVID-19 virus or have been exposed to it, in order to protect our team and all the customers we serve, we encourage you to please reschedule your service appointment, by calling us at 888-474-3391.

Your safety is our highest priority and we truly appreciate the trust that you place in our team and our company.

Best regards,
Griffith Energy Services

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