As an expert in the field of HVAC systems, I have been asked countless times about the effectiveness of UV lights in reducing microbial growth. And my answer is always the same - yes, they do work. In fact, the use of ultraviolet light radiation to cure skin infections was so groundbreaking that it earned Niels Ryberg Finsen the Nobel Prize in Medicine in 1903. But how exactly do these UV lights work and are they worth the investment? Let's dive into the science behind it.
UV lights
, also known as germicidal ultraviolet (UVGI) irradiation systems, specifically target microorganisms such as bacteria, viruses, and mold spores.You may have heard of the age-old practice of hanging clothes in sunlight to kill germs and mold - well, UV lights work in a similar way. These pesky intruders can greatly affect indoor air quality and can easily pass through the filter of an HVAC system, circulating throughout a home or business. This is where UV lights come in to save the day. The interior coil of an air conditioning system not only helps cool a space, but it can also be a breeding ground for microscopic misery.
Countless health studies have shown that UV lights installed in HVAC systems can effectively eliminate bacteria and allergens as they enter the system. This not only improves air quality but also increases system efficiency. Additionally, with less mold and mildew circulating through the HVAC system, drain pipes are less likely to clog - a common issue with air conditioning systems. For those who suffer from allergies or illnesses caused by germs and particles, UV HVAC lights are a game-changer.
However, it's important to note that purifying the air with UV lights is not as simple as some manufacturers may make it seem. Not every home or business necessarily needs a UV light system, and there are certain priorities to consider when it comes to indoor air quality. For example, UV bulbs can become less effective when covered in dust, so regular cleaning is necessary - about once every two months, or more frequently if you live in a particularly dusty area. It's also important to note that the UV-C section of the spectrum is the most effective for germicidal properties, with a frequency level of 253.7 nm being the ideal for DNA absorption.
While the benefits of UV HVAC lights may seem endless, there are also some drawbacks to consider before making the investment. While these lights are designed to work as air purification systems for HVAC systems, they do not clean the system itself and should not be used as a substitute for regular duct cleaning. Additionally, if your only symptom is sneezing, it's possible that dust or dandruff is the real culprit - and unfortunately, UV lights won't solve those issues. According to manufacturers of UV lighting systems, these lights are most effective in destroying harmful microorganisms such as mold, fungi, bacteria, and viruses.
So, are UV lights worth it? As an expert, I can confidently say that installing a UV light in your HVAC system can greatly benefit everyone in your home or business - especially those with allergies or respiratory problems. Symptoms of black mold in air conditioners include headaches that disappear when outdoors, coughing, sneezing, rashes, nausea, and fatigue - all of which can be prevented with the use of UV lights. Not only do these lights improve indoor air quality and airflow by removing particles like mold and bacteria, but they also provide peace of mind for those concerned about their health.