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pinballlooking · 11-06-13, 08:00 AM

I don’t think a CVT will work for a retro fit. I only have three speeds cool, heat and fan only.
I am not changing out the old equipment so they still need about the same air flow.
I would like it to use less energy and have a very efficient low quite fan only mode.
What 3 phase motor and VFD would you recommend? I am an old navy electronics technician but a novice when it comes to HVAC.

11-06-13, 08:00 AM	#8
pinballlooking Super Moderator Join Date: Jun 2013 Location: SC Posts: 2,923 Thanks: 172 Thanked 564 Times in 463 Posts	I don’t think a CVT will work for a retro fit. I only have three speeds cool, heat and fan only. I am not changing out the old equipment so they still need about the same air flow. I would like it to use less energy and have a very efficient low quite fan only mode. What 3 phase motor and VFD would you recommend? I am an old navy electronics technician but a novice when it comes to HVAC.