I have an electric water heater and every time I take a shower it makes this loud popping sound. The mobile home was moved from a place that had city water to a place with a well. We've been here 2 years and the popping started about 6 months ago. Thanks Kim

I was wondering if the outside unit is supposed to kick on when I turn on the heat? Our electric bill is so high in the winters and someone said that it sounds like its running on back up heat or something like that. There is also a red light that keeps blinking on the furnace itself. I don't have t...