| NAME OF      SUBSIDIARY                                 | Jurisdiction              |
|---------------------------------------------------------|---------------------------|
| Nortek      Holdings, Inc.                              | Delaware                  |
| Nortek,      Inc.                                       | Delaware                  |
| Best S.p.A.                                             | Italy                     |
| Best Deutschland GmbH                                   | Germany                   |
| Best France S.A.                                        | France                    |
| Best Poland S.p.zo.o.                                   | Poland                    |
| Combi Parts S.r.l.                                      | Italy                     |
| Stilpol SP.Zo.O.                                        | Poland                    |
| Broan-NuTone Canada, Inc.                               | Ontario,      Canada      |
| Venmar Ventilation Inc.                                 | Quebec,      Canada       |
| Innergy Tech Inc.                                       | Quebec,      Canada       |
| Venmar CES, Inc.                                        | Saskatchewan,      Canada |
| Venmar Ventilation (H.D.H.)      Inc.                   | Quebec,      Canada       |
| NuTone Inc.                                             | Delaware                  |
| Broan-NuTone LLC                                        | Delaware                  |
| Aubrey Manufacturing,    Inc.                           | Delaware                  |
| Broan-NuTone (HK)    Limited                            | Hong      Kong            |
| Broan Building Products (Huizhou) Co.,      Ltd.        | China                     |
| Pacific Zephyr Range Hood,      Inc.                    | California                |
| Rangaire LP                                             | Delaware                  |
| Zephyr Corporation                                      | California                |
| Eaton-Williams Holding      Limited                     | United      Kingdom       |
| Elektromec S.p.A.                                       | Italy                     |
| Imerge Limited                                          | United      Kingdom       |
| Jensen Industries, Inc.                                 | Delaware                  |
| Broan Building Products-Mexico, S. de      R.L. deC.V.  | Mexico                    |
| Linear LLC                                              | California                |
| Advanced Bridging Technologies,      Inc.               | California                |
| Aigis Mechtronics, Inc.                                 | Delaware                  |
| Allstar Pro, LLC                                        | Delaware                  |
| Elan Home Systems, L.L.C.                               | Kentucky                  |
| Gefen, Inc.                                             | California                |
| GTO, Inc.                                               | Florida                   |
| HomeLogic LLC                                           | Delaware                  |
| International Electronics,      Inc.                    | Massachusetts             |
| Lite Touch, Inc.                                        | Utah                      |
| Magenta Research, Ltd.                                  | Connecticut               |
| Niles Audio Corporation                                 | Delaware                  |
| OmniMount Systems, Inc.                                 | Arizona                   |
| Operator Specialty Company,      Inc.                   | Michigan                  |
| Panamax Inc.                                            | California                |
| Secure Wireless, Inc.                                   | California                |
| SpeakerCraft, Inc.                                      | Delaware                  |
| Sunfire Corporation                                     | Delaware                  |
| Xantech Corporation                                     | California                |
| Linear H.K. Manufacturing      Ltd.                     | Hong      Kong            |
| Nordyne Inc.                                            | Delaware                  |
| CES Group, Inc.                                         | Delaware                  |
|    Cleanpak      International, Inc.     | Delaware                  |
| Governair Corporation                                   | Oklahoma                  |
| Huntair, Inc.                                           | Delaware                  |
| Mammoth, Inc.                                           | Delaware                  |
| Mammoth (Shanghai) Air Conditioning      Co.,      Ltd. | China                     |
| Mammoth (Zhejiang) EG Air Conditioning      Ltd.        | China                     |
| Nordyne de Puerto Rico,    LLC                          | Puerto      Rico          |
| NORDYNE International,    Inc.                          | Delaware                  |
| Miller de Mexico S.A. de R.L. de      C.V.              | Mexico                    |
| Temtrol, Inc.                                           | Oklahoma                  |
| Ventrol Air Handling Systems      Inc.                  | Quebec,      Canada       |
| Webco, Inc.                                             | Missouri                  |