The newest customer survey that was revealed, says that heat pumps have an extended lifetime expectancy. The performed feedback survey has accumulated the calculating particulars from all house-owners who used heat pumps; the survey came up with a mean lifetime span of 16 years. With the directed survey, they also integrated the effect on electrical energy uptake, and astonishingly as it turns outside, all of the house owners were able to acquire a reduction on their electricity bill and were able to spend less. More information: more