How Long Does a UV Bulb Last in an AC Unit? - A Comprehensive Guide

Most quality lamps will emit at least 80% of their original UV-C emission at the end of a year, and it is essential to replace them at some point. But how long does a UV bulb last in an AC unit? The answer depends on the type of system, as well as the manufacturer's recommendations. Generally speaking, a UV bulb will last between 1 and 5 years. A “blue tube” system bulb usually lasts 1 to 2 years, while an APCO or APCO X bulb can last more than 3 to 5 years.

It is recommended to replace all UV bulbs every three years, regardless of how often they are used. UV-C bulbs have a lifespan of around one year, but it is important to clean them several times a year, as they tend to accumulate dust. Every three months, turn off the air conditioning system, remove the lamp and clean the UV bulb with a soft cloth. If the bulb is especially dirty, you can use a common glass cleaning solution.

The longevity of your UV bulb will depend on several factors, such as how you use the system and how often you use it. Generally speaking, the UV germicidal light used to disinfect indoor air must be replaced every 9000 hours. This equates to approximately 12 months. If you or your family members have allergies or asthma, it is essential to follow a regular UV bulb replacement plan.

UV light purifiers are a great addition to your HVAC system because they offer many benefits of clean air in your home. Two studies point to the effectiveness of UV light in killing mold and bacteria, one in hospitals and the other in a commercial air conditioning system. While it is true that UV light can damage some materials, you don't have to worry about a UV lamp damaging your air conditioning system. The most common type of HVAC light is an internal light that is placed near the central air system fan.

By installing the light as close to the center of the duct as possible, you'll ensure that the UV light absorbs as much air as possible when the air conditioner or heater is working. If you mount it this way, UV light will remove air from the boiler and central air system, if you have it. If your UV lamp has reached the three-year mark, turn off the system until the UV bulb is replaced. Since germicidal UV light is most likely installed in the air purifier, you don't have to worry about it affecting vulnerable plastic components.

The only downside is that working with UV lights can be dangerous, so it is best to hire a professional to install them or take some safety precautions if you decide to do it yourself. But what happens after the UV light is installed? How often do you need to change UV bulbs? Should you wait for them to sell out? This means that when the boiler or central air conditioning system expels air through the house, the UV light will turn on when there is no air circulating and the light will turn off to save energy.