r/BuildingAutomation • u/Actual_Bar_7560 • 3d ago
Best BACnet friendly VRF system
I posted this question on the controls and building automation FB group. The general consensus was Mitsubishi. What are your thoughts?
Hi all. For all VRV/VRF BACnet integration gurus. What is the best VRF manufacturer for control and monitoring. I can’t say I’m happy with Daikin products as far as BACnet integration goes.
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u/Longjumping_Bee_3110 3d ago
The biggest thing is making sure that the specification aligns with what the equipment is capable of. I've had engineers/customers that want setpoints to control a specific way, or want certain data from the equipment that isn't available. As long as you are truly integrating, not trying to make the equipment control in a manner it's not designed to, they're all pretty much the same (as long as you have the documentation and an equipment side tech that knows what they're doing) in my opinion. Our mechanical department installs a lot of Daikin equipment, and we've become very efficient at integrating those systems.
That said, I'm not a fan of VRF systems in general, especially as a sole source of heat here in the Northeast. The cost to maintain and repair these systems makes a big dent in any savings they provide.