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UV water filters have proven to offer an effective way of water disinfection.
Millions of homes in the US now use this type of system. If you’re considering getting a UV water purifier, too, you might want to know how much electricity it uses and what it’ll cost you. This article will explain exactly that.
So, how much electricity does a UV water filter use?
The amount of electricity a UV water filter uses largely depends on the type of system in question. There are two main types: Point-of-entry (POE) and point-of-use (POU) UV water filters.
Since POE filters have to purify much more water, they’re bound to use more electricity than POU systems.
The UV lamps in POE water filters are more powerful than those of POU filters; hence they use more energy. Whole house UV water filters typically have bulbs that use between 25 and 60 watts. For comparison, this is around the number of watts a regular light bulb uses.
Furthermore, whole house UV units typically run 24/7. Some of these systems use a flow meter that reduces energy consumption if they don’t detect water flow, but this is an exception. Most UV systems do not have a flow meter.
To calculate how much a POE UV filter would cost, you need to multiply the number of hours it runs per day by its power. For instance, if your UV filter uses 50 watts and you use it for 24 hours a day, it’ll cost $0.18 daily (based on average electricity rate of $0.15).
Two more examples of real-life whole house UV water purifiers:
POU water filters use far less energy than POE UV filters. On average, they use between 10 and 15 watts. As a result, they incur less energy costs than POE systems.
For instance, the Crystal Quest CQE-UV-00101 Ultraviolet Water Sterilizer uses no more than 11 watts. At 24 hours, this adds up to 0.264 kWh daily and 96.36 kWh yearly. This adds up to only $14.45 every year. And it’ll be even less if you don’t let the system run around the clock.
If you have any thoughts about the question, how much electricity does a UV water filter use, please don’t hesitate to leave a comment below!
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