Inverter-driven rotary technology

[JohnRHall]

I know Nordyne uses this technology with their IQ drive. Does anyone know if any other manufacturers have similar technology? I can't seem to locate any on the Web. Thanks.

[wolfdog]

Copeland has just come out with one that should filter down soon.

http://www.emersonclimate.com/en-US/products/compressors/scroll_compressors/copeland_scroll_residential/Documents/IS01361-ScrollVariSpdBroc.pdf