Quote:
Originally Posted by 8gv
When I was arranging the purchase and installation of my Mitsubishi mini split system the sales person asked me how much heat I wanted. The units were going into a seasonal cottage so I chose not to get extra heating capability.
When you reference "Hyper heat", is that provided by a resistance type heating coil in each evaporator unit?
If so, it may be cheaper to burn oil when it's really cold.
Not having any experience with that capability I stand ready to be educated.
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No, there is no resistance heating coil. It is supposed produce heat down to -22 degrees but the lower the temp goes the less efficient it is.
In Ma they will give you a 10K rebate if you remove your old fossil fuel heating system but I would have had to do more insulation work and add a water heater which would have ate up the extra 5K. So, I kept my oil boiler and went with the 5K rebate.
I'm going to keep running the mini splits as long as they can keep a comfortable temperature even if I have to turn them up.