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Air Filters Can Help Reduce Allergies Indoors

Higher-rated air filters help reduce allergies and allergy symptoms by minimizing the actual amount of indoor allergens in the home. Find out which filter to choose.
Last Updated on December 30, 2021

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air filters reduce allergies

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If you’re someone who stocks up on antihistamines when the seasons change (or even year-round), you’re likely also someone who would benefit from upgrading home air filters. The spring and summer months are periods of high outdoor pollen levels that easily aggravate allergies. Also, depending on specific allergy triggers, there are plenty of indoor allergen sources. And they exist every season. Allergy symptoms are miserable, and it causes many to wonder how they can reduce allergens in their home.

One option that many allergy sufferers consider is better air filters. While filters certainly cannot eliminate allergies or sources of allergens entirely, they do drastically improve indoor air quality. Of course, air filters should not be viewed as a replacement for routine cleaning or your daily antihistamine, but they can truly help. Upgraded air filters can result in noticeably improved air quality and reduced allergy symptoms.

What Are Allergens?

Allergens range from food allergies to environmental allergies to chemical allergies. According to the American Academy of Allergy Asthma & Immunology, an allergen is a “usually harmless substance capable of triggering a response” resulting in an allergic reaction. Sneezing, itchy throat and runny nose, are all caused by our immune systems overreacting to the presence of the allergen.

This is why indoor air quality upgrades are a helpful solution for allergy sufferers. IAQ control solutions reduce the number of indoor pollutants, including allergy triggers! So, what are the more common indoor air allergens?

How to Deal With Indoor Allergies: Indoor allergens are found in places like animals and dust mites, but also the air you breathe when indoors. Ventilating well to improve your home’s indoor quality is one way of preventing or alleviating these symptoms. Read More →

Common Indoor Allergens

Common indoor allergens include:

  • Pets + Pet Dander
  • Dust + Dust Mites
  • Pollen
  • Mold + Mildew
  • Cockroaches
  • Fabric
  • Houseplants

We often associate allergies with spring, but seasonal allergies actually occur in spring, summer and fall. All three seasons can suffer from high pollen levels. Plus, seasonal hay fever is not the only allergy condition. For those allergic to pet dander or mold, those are triggers present the entire year. Fighting indoor contaminants requires year-round solutions.

Choosing a Home Air Filter to Fight Allergies

But why bother upgrading home air filters? HVAC filters are actually designed to protect the equipment from dust and damage, not to protect human occupants from allergens and indoor pollutants. The goal of standard air filters it simply to keep the HVAC system running efficiently. Higher-rated air filters are needed to reduce allergy symptoms and create a healthier indoor space.

Here are two factors to consider when choosing a filter to reduce allergies:

1. MERV Rating – This is a very important rating to consider. MERV ratings, on a scale from 1-16, measure the efficacy of an air filter. The best air filter to reduce allergy symptoms are higher-rated MERV filters. These filters can trap smaller-sized particles and trap larger particles more efficiently. The minimum rating we suggest using to target allergens is MERV 11. However, MERV 13 is the ideal filter choice for homes. This is the highest MERV level that is compatible with most residential HVAC systems.

What Is a MERV Rating and Which Rating Is Best for Home Use? When you’re in search of the perfect air filter for your home, there are plenty to choose from. What’s more is that some people may not even know what type they need or want! It can be difficult making an educated decision when faced with so many options – but don’t worry because we’ve got everything covered.
Our guide to everything you need to know →

2. Filter Fit – The actual fit of the filter is also important. Air should not pass around the sides of the filters. That means no gaps. Make sure to measure correctly to ensure a snug filter fit. That way, all indoor airflow is filtered, reducing allergens and capturing as many contaminants as possible.

IAQ to Reduce Allergens

Choosing home air filters with a higher MERV rating is a step in the right direction for allergy sufferers. Filters are a popular choice to improve IAQ. They are one of the simplest and easiest (and cheapest!) ways to actively intervene in your space. Not only will better air filters reduce allergies and symptoms, but they’ll also improve your home’s overall air quality.

Zephyr MERV 13 Home Air Filter: When you need a replacement for your filter, this is the one! The 3 inch deep pleated MERV 13 Zephyr filter can provide up to six times longer life than regular filters and it’s highly efficient. Learn More →
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