EXHIBIT 23.1

 
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
 


Board of Directors
Telkonet, Inc.
Germantown, MD


We consent to incorporation by reference in the Registration Statements (Registration No. 333-142986, 333-148731, 333-114425, 333-129950, 333-137703, 333-141069, 333-138001, 333-152051) on Form S-3 of Telkonet, Inc. and its subsidiaries of our reports dated April 1, 2009, with respect to the consolidated balance sheets of Telkonet, Inc. and its subsidiaries as of December 31, 2008 and 2007, and the related consolidated statements of losses, stockholders' equity, and cash flows for the two years ended December 31, 2008, which reports appear in the December 31, 2008 annual report on Form 10-K of Telkonet, Inc. and its subsidiaries.


 
/s/ RBSM LLP
 
RBSM LLP
 
Certified Public Accountants


New York, New York
April 1, 2009