One potential danger of UV filters is that they can transform oxygen into ozone, which can be hazardous for your health. When air passes through the HVAC unit, the UV lamps disinfect it with germicidal radiation. UV filters are excellent for killing microorganisms that could be hazardous to your health, including mold spores. Fumes, gasses and odors are too small for HEPA filters, and pollutants like mold spores may settle on the filter itself, reducing its effectiveness and likely requiring replacement sooner than expected.Īs their name suggests, UV filters use short-wave ultraviolet light to kill bacteria and viruses. Cons: While they’re great at ridding your home of most pollutants, there are still some pollutants HEPA filters are helpless against.These filters are also fairly cost-effective and only need to be changed every few years. The design of these filters makes it ideal for capturing larger pollutants, like pet dander and pollen.
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To help gather information and weigh your options, you can compare the basic pros and cons of each filter type.
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It’s wise to speak to an HVAC professional before making any decisions about air filters.
You’ll also want to consider factors like the cost of the filters. Not all filters are built the same, so choosing the right filter depends on what you need to purify from the air. The ratings range from 1 to 16 and give you an idea of how well the filter can trap pollutants that are as small as 0.3 microns and as large as 10 microns, with 16 being the most effective.Īir Quality Services in Central PA Which Filter Type Is Best for Your Home? The materials air filters are made of vary from fabrics to fiberglass. Filters are also rated using the Minimum Efficiency Reporting Value (MERV), which was developed by the American Society of Heating and Refrigerating and Air Conditioning Engineers (ASHRAE).
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Some people need HVAC system filters that will keep the air free of allergens and other pollutants, while others just need a basic filter to get the job done. Generally, high-efficiency filters that are also cost-effective are best for homes, but other considerations should include whether there are pets in the home, whether mold or mildew is a threat and how often the filters should be changed. Each of these filters has its own set of pros and cons, which vary based on your goal for your home.
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