again, youre ignorant to what youre talking about. I, as well as other members of this site, install them currently. I put in two last week. There isn't thousands of feet of pipe or thousands of pounds of refrigerant. Its more like 10-25 lbs, depending on the system. Youre passing judgement on something you obviously know nothing about. As far as breaking a pipe, who pays for the well pipe to be replaced when a hdpe pipe breaks?
Got any info you would be willing to PM me on these systems?
My dad was talking about these a few years back, before he got sick and passed.