Ultravation News and Information Center

Building a Comprehensive Indoor Air Quality System

Over the past few weeks, we have discussed the importance of scheduled replacements of UV lamps and air filters to keep indoor air quality optimized. But did you know that combining ultraviolet light disinfection and air filtration creates a comprehensive IAQ system that adds up to more than the sum of its parts? By working together, these units can eliminate a much wider range of indoor air contaminants then they ever could separately. Let’s take a deeper look:

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How often should you change your Ultravation air filter and why?

It is important to maintain your air filter regularly. If you don’t, you run the risk of straining the HVAC system, potentially causing costly repairs and re-polluting your indoor air.

Depending on your climate, a 5″ Ultravation ProgressiveMedia filter (which has 32 sq ft of pleated, filtering media) will last 6 months to a full year. But every home has different conditions, so be sure to begin checking your filter at about 6 months to determine the schedule best for you. If you live in a dusty or dry area, more frequent filter changes may be needed due to these environmental demands and your individual respiratory situation.

After 12 months, it does not matter where you live–you need to change the filter. By this time, the filter media will be very full and won’t be functioning well. A dirty filter wastes energy, as the HVAC system has to operate longer and work harder to pull the air through the filter.

If you are using our 1″ filter (which has 6 sq ft of pleated, filtering media), we recommend changing it once a month, but again, check it once in a while to make sure it isn’t filling up too quickly and disrupting airflow. Adjust your replacement schedule based on your individual and environmental circumstances.

If you have any questions or concerns, contact your HVAC contractor. They will have direct knowledge of your particular environmental circumstances.


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How often should your UV lamps be changed and why?

The frequency of changing a UV lamp for effective indoor air quality improvement depends on how you are using the system. Typically, a UV lamp being used primarily to disinfect the air circulating through a home or small office should be replaced every 9000 hours or approximately every 12 months. For people with respiratory conditions or other acute sensitivities, we strongly recommend keeping to an annual lamp replacement schedule for the best control of airborne microorganisms and allergens. Read the rest of this entry »