![]() This damage caused by UV often prevents the cell from carrying out normal cellular processes, stopping it from reproducing and eventually killing it. The UV light sparks a reaction between molecules of thymine, which is one of the structural units that makes up DNA. Today, many hospitals, grocery stores, restaurants, and other businesses where hygiene is a concern are using UV-based lights for germicidal purposes. In fact, we’ve known this for a long time the Nobel Prize in Medicine was given to Niels Ryberg Finsen in 1903, thanks to his work in using UV radiation to cure skin infections. UV lights are capable of killing 97 percent of bacteria, even bacteria resistant to antibiotics, and can kill viruses and mold as well. It’s clinically proven that UV lights work. So do UV lights for HVAC systems really do what they’re supposed to? Positioning UV lights in your systems air conditioner condenser coils or in your core ductwork, the intention is to kill these microorganisms in a clean, efficient way, to purifying the air in your home. UV lights attempt to stop these particles at the source, before they can enter your home's air supply. ![]() These pathogens can negatively interfere with our health if they spread through the air. Some of the most common particles responsible for these negative health effects include bacteria, viruses, mold, and other types of fungi. Long-term effects could include the development of contagious diseases, or the aggravation of asthma or allergies. Depending on the nature of the pollutant, these particles could have short-term effects, causing people to experience eye irritation, sneezing, or even headaches and fatigue. The main purpose of a UV light can be reduced to “improving air quality.” Your HVAC system is responsible for circulating air throughout your home, so it has the potential to introduce or distribute particulate matter that could be detrimental to you and your family, interfering with your comfort or in some cases, your health. Let’s start with a basic introduction to UV lights, including how they’re designed to work, and what they purport to do. But how exactly do they work, and are they really worth the investment? UV light attachments, like the RGF REME HVAC HALO 24V Air Purification System Light, attempt to counteract these pollutants. Under normal conditions, ventilation systems can contribute pollutants to your living or working space, spreading bacteria, mold, dust, dander, and other particles that can aggravate respiratory conditions or contribute to the spread of illnesses. ![]() Along with energy efficiency, one of the biggest categories of breakthroughs has been the emergence of products and technologies to improve overall indoor air quality. I have 2 small Winex air purifier floor units (from Costco) that I use but I've learned that isn't enough to remove harmful mycobacteria and mold spewing into the air from the HVAC air ducts and the AC coil where moisture builds up.The world of HVAC is always advancing, making use of new technologies and new approaches to improve the capabilities of the average homeowner’s heating, cooling, and ventilation systems. I live in a townhouse with a small space for the HVAC system. All of these products are hard to decipher. I'm also looking at whole-house UV purifiers without ozone (e.g., APCO-X, Purity, Field Controls Trio). I've read that UV in whole-house air purifiers (and whole-house water systems) is safe for humans – I'm more concerned about whole-house air purifiers that emit ozone. I also couldn't get a straight answer as to whether the UV light is part of the Reme HALO or a separate UV bulb that shines on the AC coil (called the BLU QR UV stick light) or whether both have a UV component. They say it's "safe" but I've read people with lung problems shouldn't breathe in any ozone (I have Bronchiectasis). Has anyone found a safe whole-house air purifier system that is installed in (or around) your in-home HVAC system? My HVAC company recommended the Reme HALO whole-house in-duct air purifier by RGF, but I was concerned to learn it's an "ionized hydro-peroxide" output that includes some level of ozone being emitted into the air from what I read in their literature/site and from talking to the manufacturer.
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