Our Picks for Best Furnace Filters for Allergies

By | October 20, 2016

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This year has been a bad year for allergies at least for me. Locally were I live the dust and pollen’s in the air seem to be worse than usual making me sneeze constantly and a nose that wont stop running.
 
Beside allergy medication there is not much I can do about it at work, but while at home there are things that can be done to help those like me that are sensitive for allergies.
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One of the main things is to have a good air filter on your furnace or HVAC system.
 
All furnaces have a filter that is meant to keep the system clean from debris that can build up and block air flow.
 
Having good air flow in a HVAC system is important for it to regulate the temperature. If the air flow is blocked the temperature inside a furnace will rise until a High Limit Switch shuts it off.
 
Most everyone knows that the filter needs to be replaced every 1-3 months depending on how much dust and other debris is in the air.
 
The right furnace filter can improve the air quality of a home and reduce allergies.
 
Cheap low cost filters are commonly used and work well enough to keep debris from clogging up a HVAC system, but they do little in cleaning the air in a home.
 
Filter are rated with a MERV or MPR rating that measures the particle size that can pass through.
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The smaller the particle size that can pass through the better in keeping the air clean. There is also electrostatic filters that build up a electrostatic charge which dust clings.
 
Allergy surfers should get a filter with a Merv rating of at least 9-12.
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Merv rating go higher for those who need cleaner air. A 13-16 Merv filter would be better for those who have very bad allergens.
 
Here is our picks for best furnace filters for those who have allergies.
 
As always be sure to read the reviews on Amazon or elsewhere to be sure one is a good fit for your home.
 

Our Picks for Best Furnace Filters for Allergies

Filtrete Healthy Living Filter, 20-Inch by 25-Inch by 1-Inch, 1-Pack

Filtrete makes good filters that can improve a home air quality.
 
It has a good MPR rating of 1500 which is equivalent to a MERV rating of 12.
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This gives it a 3-10 micron sized holes to grab particles in the air, or will catch 90 percent of dust mite debris, pollen, and mold spores flowing through it.
 
If you have moderate allergies than Filtrete are a good option.
 
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AllergyZone AZ16251 Air Filter for Allergy Sufferers, 16 x 25 x 1″

AllergyZone makes filters specially for those with allergies.
 
They can remove up to 95% of airborne allergens which in turn cleans up the air.
 
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Nordic Pure 20x25x5 Honeywell Replacement AC Furnace Air Filters, MERV 12 (Box of 2)

Nordic Pure makes many good filters with this electrostatic version.
 
Electrostatic units build up a static electric charge as air flows though them. This helps in capturing and holding particles that other filter let through.
 
Besides electrostatic disposable there is also washable permanent electrostatic. Washable cost more initially but is cheaper in the long run since they can be used over and over again.
 
 
How To Buy a Replacement Furnace Filter
Replacements are measured in width and length with inches to fit into place.
 
Most all old filters will have the measurement on it such as 20-X-25, which means 20 inches wide, and 25 inches in length.
 
A tape measure can also be used to measure width and length for a replacement.
 
 
Summary
Having a quality furnace filter will greatly improve the air inside a home.
 
How often a filter is replaced depends on the environment. For example those who live in a desert with a lot of dust will need to change it much more often then less debris in the air.
 
Units that have good Merv ratings also have smaller particles sizes that capture more which in turn often need replacement much sooner than less effective units.
 
While they are usually changed every 2-3 months each home is different and may need changing more often for the best results.
 
Disposable units while cheaper initially can cost more after long term use since they need to be thrown away once dirty.
 
Washable are more expensive to buy but can be cheaper after long term use since they can be used over-and-over again.