Considered minimum protection fiberglass synthetic filters prevent dust and dirt from building up on heat exchangers fan motors and other surfaces.
High flow furnace filter.
This filter gets top marks from reviewers and it s marketed as fitting all standard furnace brands.
The glasfloss magna series ht grade air filters are designed for high efficiency commercial and industrial applications.
The price rises to between 15 and 20 for 20 x 30 x 4.
Since the filtration is more thorough it will take more energy and effort from your hvac unit to use them.
High velocity means the filter can handle high flow rates.
Read on for our furnace and ac filter guide.
In part because a recent innovation in air filters permits high merv.
If you re on a budget you might prefer a less expensive option such as the rheem basic household pleated air filter.
Furnace manufacturers prefer the traditional spun fiberglass ac filters merv 2.
A good furnace filter isn t expensive.
Maintaining the furnace manufacturer s specified airflow is critical to achieving energy efficiency and maximum life from the blower motor and heat exchanger.
However it is difficult to give accurate prices because of the enormous variety of materials and sizes and the competitive nature of the furnace filter market.
This is a standard grade furnace filter of the same type that has been protecting furnaces and central air conditioners around the world for over 50 years.
As a rough guide disposable furnace filters start at around 7 or 8 each for 20 x 20 x 1.
For peak equipment protection and energy efficiency these filters should be changed monthly in periods of high use.
The glasfloss magna ht filters are available in merv 11 13 and 14 performances.
They catch up to 80 of particles 50 microns and larger and 25 of particles between 3 to 10 microns.
High efficiency filters a more efficient filter will be more effective at removing particles from the air as they enter your hvac system.
Buy a case and be set for the year.
These filter out enough of the large particles to protect the furnace while providing maximum airflow.
Very high quality filters although initially i wasn t sure what mpr equated to so here s what i found and what they do and how often you should change filters according to rating low to high.
Glasfloss magna ht filters are produced in a wide range of sizes in single or double header combinations.
Merv 6 mpr 300 fpr n a captures lint household dust pollen.
Merv 8 mpr 600 fpr 5 green.
High end air filters can get pretty expensive costing up to 20 each.
Change every 30 days.
Fiberglass or synthetic filters are a cheap and disposable option for your furnace.
A minimum merv 0f 4 is needed to protect the furnace a good value to help indoor air quality is 8 9 this blocks more with the max 16.