Quote:
Originally Posted by AC_Hacker
Since this is a DIY kind of forum, how will you create a working solution?
-AC
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The power of the reversing valve is within the reach of many. This device itself makes heat pumps out of air conditioners in the phase change world. It also makes it impossible for many would-be DIY people to complete such a transformation. Between the intimidation factor, the tools necessary, and the skills required, there is a rite of passage not many of us are willing to suffer.
Residential units are engineered for a wide range of conditions of operation, and a somewhat narrow range of high efficiency. They are also designed to be installed in carbon-copy fashion by an average HVAC specialist or technician. The industry just went through great pains to train their techs how to size and install mini-split units, so now they have been grouped in with the "magic wizardry" of comfort control devices in general. Between that and the whole R410a bungle, the prices of these units will probably never deflate significantly from where they are now.
If you want the technology, but don't want to pay the price (either having one installed by a pro or investing time and effort in the DIY), you're just out of luck. If it was cheap and easy, everyone would be doing it.
Many ecorenovators have conquered the reversing valve. Can you?