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Installed them.
Pros
Very efficient
Quiet
Cons
Price (equipment and labor)
Maintenance
More pumps, valves, and controls=more things to fail
No power=no hot water (why I don't have one in my house)
They do work well but expect to pay each year for maintenance and also to be replacing parts more often than you'd think.
Last edited by stoney2677; 09-10-2017 at 09:13 PM.
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