VRF Chillers, Our Next Step Forward?

VRF chillers are an interesting development. 

Being able to take the technology of VRF and combine it with hydronics is a great move. 

So many of the issues with VRF systems is the piping installs and oil management. 

This also gets the refrigerant out of the building/confined space. 

As VRF systems have been implemented the scale of the systems has grown. 

I have worked on some that were pushing 300lb of refrigerant for a single bank. 

I like how keeping the refrigerant in the outdoor unit will really speed up and simplify a lot of service tasks. 

That terrifying feeling of recovering a system for a repair fearing the pressure test and evac because of the line set. 

I think this is a good direction overall. 

MTT

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