Review on ⚡ Heunwa Power Save Box, 90V-250V 30KW Energy Saving Device, Electricity Saver for Household, Office, Market, Factory (US Plug) by Gerard Hudson

I bought this after reading mixed reviews. I wasn't expecting it to save me a lot of money, but since about half the reviews were positive I figured if it saved me a buck or two a month it would pay for itself in a year. about a month and 1/2 and my electric bill went up a bit! The weather was unusually warm then, so it couldn't be due to the increased use of stoves. I researched this product further and found that it is a capacitor that is basically useless in residential applications. The unit was warm to the touch and I had read some reports of those cheap capacitors catching fire so I immediately unplugged it and sent it back for a full refund.