266
people found this helpful, as of 2023
ranked #103,472 most helpful
out of 571,544,897 reviews
★★★★★
It works!
I was told about this product from a family member whom praised this product. I since have ordered and utilized this product for my primary home and casita. My utility provider has an app where I can see the utilization of this unit has made a marked difference. Definitely recommend!
the product in question
Heunwa Power Save, 90V-250V 30KW Electricity Saving Box, Energy Saver Saving Device for Household Office Market Factory(US Plug)
3.5★ · 3,504 ratings, as of 2023