I went to a training seminar on those a couple years ago. Got to play with one that was cut open so we could spin the compressor by hand... Then I never really had to work on one, though I've seen them in operation. They're extremely quiet. You hear a little compressor whine and the refrigerant rushing through the system. They make for very quiet mechanical rooms.
Originally Posted by engineerdave
They're definitely expensive, but they're also extremely energy efficient. It's a tough call for a lot of companies between a turbocor compressor and a screw. Screws are cheaper, turbocors are more efficient. If the turbocors were a little cheaper I think we'd see a lot more of them out there. I wish there were more of them out there. They sure are easy to be around while in operation.
Or more probable is Engel can't find a company willing to make them since their engineers didn't design it.
I had 2 of these swing motors on a Norcold fridge in my boat. First one lasted 15 yrs other 20 yrs. It was cheaper to buy a new fridge then replace compressors.