HVAC air filters are integral components for your furnace and your air conditioners. Replacing them is a recommended preventative maintenance measure that you need to perform every few months. If you do not change the air filter often, you will find notable discoloration and dust accumulation when you inspect the filter. This is a clear indication that the filter has run past its total lifetime and a warning sign that you need to replace it.
What does a dirty HVAC Air filter mean?
A dirty filter means that it is not working properly, and worse, you are not getting enough air flow for the vents. This also means that you will be breathing in dirty air inside your home. On top of that, you will also be paying more in utility payments. This is because the accumulation of dust can restrict the airflow into your home.
This is often burdening for the HVAC intake has to utilize more energy in order to give out the same amount of gas. If you have pets, construction, or a dusty environment inside your home, then you will have to replace the air filter more often.
Air Filters – Types and MERV ratings
Your standard setup will most often include a one inch setup that is skinny. Furnace filters are rated according to the MERV systems. In the air conditioning and heating industry, MERV is short for minimum, efficiency, reporting value. The data range that is used is 1 through 16, the higher the number, the more efficient the filter.
Filters that have a MERV rating from 1 to 4 are the disposable ones. This means that they are low in efficiency, and will not capture the smaller and more intricate particles. An air filter that has a MERV rating between 5 through 8 will do a much better job in keeping your equipment clean and keeping it running efficiently for years to come.
Nonetheless, if you are looking for a filter that will help with allergies, asthma, and upper respiratory issues, MERV rating of 9-12 should be the one that you should want. Filters of that rating range are much thicker with more fiber surface. They are not only efficient in keeping your home equipment clean, but also help make your indoor air quality much healthier to inhale.
It will be proficient in capturing about 50 to 70 percent of pollens, microbial growth, and other particles that are sized at 3 microns. Overall, when replacing your air filter to a new one, make sure to inspect the air quality outside your home, and other factors such as pet dander and construction work.
It is critical to replace your air filter, but it is also very important that you understand the type of filter you are getting. Sometimes you may even not need an air filter that offers excessive air filtration qualities which restrict air flow. This is why it is important that you seek professional help whenever you need air filter maintenance.