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Is it realistic to assume that the average American falls asleep in front of the TV more than once a week, or every night for that matter? The UL report strongly suggests that the claim of 50% energy savings for a typical user is unrealistic and not representative of typical use.
Another way to think about a 50% energy saving is as follows: If the IR-only Tier 2 APS is designed to switch off the television and connected equipment when not in use, a 50% energy savings implies that the average American leaves their TV on without watching it roughly half of the time. For example, if someone watches TV for four hours per day, this means that they are only watching TV for two hours. Similarly if someone is actually watching TV for 4 hours a day then a 50% saving implies the TV is left on for 8 hours a a day.
Recognising a 50% savings claim for an IR-only Tier 2 APS is unrealistic for a typical user is imperative when deploying a Tier 2 APS into energy efficiency programs to avoid program evaluation reductions.
The UL Environment report and simple common sense do not support 50% energy savings for the vast majority of users. To date there is also currently no actual pre-post field testing to support an energy savings claim of 50% energy saving from an IR Tier 2 APS.
This article was reviewed and approved by UL prior to publication.