Exhibit 23.1
                                                                    ------------




                CONSENT OF INDEPENDENT REGISTERED ACCOUNTING FIRM


We hereby consent to the use in Amendment No. 1 to Form 10-K of our report dated
March 1, 2006 relating to the financial statements of Zond Windsystem Partners,
Ltd. Series 85-C as of and for the years then ended December 31, 2005, 2004 and
2003.




Hein & Associates LLP

Houston, Texas
June 9, 2006