UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	December 29, 2011  5:00 A.M.

Form:	S-4
CIK: 0001216596 Company Name: NORTEK INC File Number: 333-178716
CIK: 0001302808 Company Name: Broan-NuTone LLC File Number: 333-178716-38
CIK: 0001435223 Company Name: Aigis Mechtronics, Inc. File Number: 333-178716-37
CIK: 0001302994 Company Name: Broan-Mexico Holdings, Inc. File Number: 333-178716-36
CIK: 0001399560 Company Name: Magenta Research Ltd. File Number: 333-178716-35
CIK: 0001303020 Company Name: Broan-NuTone Storage Solutions LP File Number: 333-178716-34
CIK: 0001302876 Company Name: CES Group, LLC File Number: 333-178716-33
CIK: 0001303002 Company Name: CES International, Ltd. File Number: 333-178716-32
CIK: 0001399572 Company Name: CLPK, LLC File Number: 333-178716-31
CIK: 0001035523 Company Name: ELAN HOME SYSTEMS LLC File Number: 333-178716-30
CIK: 0001525185 Company Name: Ergotron, Inc. File Number: 333-178716-29
CIK: 0001349883 Company Name: Gates That Open, LLC File Number: 333-178716-28
CIK: 0001399564 Company Name: Gefen, LLC File Number: 333-178716-27
CIK: 0001302907 Company Name: Governair LLC File Number: 333-178716-26
CIK: 0001399570 Company Name: Huntair, Inc. File Number: 333-178716-25
CIK: 0001399568 Company Name: Huntair Middle East Holdings, Inc. File Number: 333-178716-24
CIK: 0001302995 Company Name: Linear LLC File Number: 333-178716-23
CIK: 0001399563 Company Name: Lite Touch, Inc. File Number: 333-178716-22
CIK: 0001303071 Company Name: Mammoth, Inc. File Number: 333-178716-21
CIK: 0001349887 Company Name: Niles Audio CORP File Number: 333-178716-20
CIK: 0001303073 Company Name: Nordyne LLC File Number: 333-178716-19
CIK: 0001349884 Company Name: NORDYNE International, Inc. File Number: 333-178716-18
CIK: 0001349889 Company Name: Nortek International, Inc. File Number: 333-178716-17
CIK: 0000073373 Company Name: NUTONE LLC File Number: 333-178716-16
CIK: 0001303006 Company Name: OmniMount Systems, Inc. File Number: 333-178716-15
CIK: 0001303082 Company Name: Operator Specialty Company, Inc. File Number: 333-178716-14
CIK: 0001399573 Company Name: Pacific Zephyr Range Hood, Inc. File Number: 333-178716-13
CIK: 0001349885 Company Name: Panamax LLC File Number: 333-178716-12
CIK: 0001303019 Company Name: Rangaire GP, inc. File Number: 333-178716-11
CIK: 0001303021 Company Name: Rangaire LP, Inc. File Number: 333-178716-10
CIK: 0001399559 Company Name: Secure Wirless, Inc. File Number: 333-178716-09
CIK: 0001112421 Company Name: SPEAKERCRAFT, LLC File Number: 333-178716-08
CIK: 0001303083 Company Name: Temtrol, LLC File Number: 333-178716-07
CIK: 0001504762 Company Name: AVC Group, LLC File Number: 333-178716-06
CIK: 0001525186 Company Name: TV One Broadcast Sales Corp File Number: 333-178716-05
CIK: 0001302948 Company Name: Xantech LLC File Number: 333-178716-04
CIK: 0001399576 Company Name: Zephyr Ventilation, LLC File Number: 333-178716-03
CIK: 0001525187 Company Name: Barcom Asia Holdings, LLC File Number: 333-178716-02
CIK: 0001525188 Company Name: Barcom China Holdings, LLC File Number: 333-178716-01