> a heat pump water heater and it made a noticeable dent in our electric bill. I think, in most of the USA, a natural gas water heater would have made a simila

> a heat pump water heater and it made a noticeable dent in our electric bill. I think, in most of the USA, a natural gas water heater would have made a similar dent in your overall utility bill. But I still am very glad we're working harder towards good heat pumps.