|Exhibit
3.1
|-----------

##### AMENDED AND RESTATED

##### CERTIFICATE OF
INCORPORATION

##### of

##### NORTEK, INC.

|It
is hereby certified that:
|----------------------------

|1.     
The  present  name  of  the  corporation  (hereinafter  called  the
"corporation")  is  Nortek,  Inc.,  which  is  the  name  under  which  the
corporation  was  originally  incorporated;  and the date of filing the original
certificate of incorporation of the corporation with  the Secretary of State of the State
of Delaware is October 14, 1986.
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|2.     
The  certificate  of  incorporation  of the  corporation  is hereby  amended by  striking
out  Articles First through  Fourteenth  thereof and by substituting in lieu thereof new
Articles First through Eleventh  which are set forth in the Amended and Restated
Certificate of Incorporation hereinafter provided for.
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|3.     
The provisions of the certificate of  incorporation  of the corporation as heretofore
amended  and/or  supplemented,  and as herein amended,  are hereby restated and
integrated into the single  instrument which  is hereinafter set forth, and which is
entitled Amended and Restated  Certificate of Incorporation of Nortek,  Inc.  without any
further  amendments other than the amendment  herein certified and without any
discrepancy  between the  provisions of the certificate of  incorporation  as heretofore
amended and  supplemented and the provisions of the  said single instrument hereinafter
set forth.
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|4.     
The amendment and the restatement of the certificate of  incorporation  herein  certified
have  been duly adopted by the  stockholders  in  accordance  with the  provisions  of
Sections  228, 242, and 245 of the  General Corporation Law of the State of Delaware.
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|5.     
The certificate of  incorporation of the  corporation,  as amended and restated herein,
shall  at the effective time of this amended and restated certificate of incorporation,
read as follows:
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##### AMENDED AND RESTATED

##### CERTIFICATE OF
INCORPORATION

##### OF

##### NORTEK, INC.

##### Incorporated October 14,
1986

|FIRST.              The
name of this corporation is NORTEK, INC.
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|SECOND.          The
registered office of this corporation in the State of Delaware is located at 2711
Centerville Road, Suite 400, in the City of Wilmington, County of New Castle.  The name
of its registered agent  at such address is Corporation Service Company.
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|THIRD.               The
purpose of this corporation is to engage in any lawful act or activity for which
corporations may be organized under the General Corporation Law of the State of Delaware.
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|FOURTH.           The
name and mailing address of the incorporator is: John R. Potter, Nortek, Inc., 50
Kennedy  Plaza, Providence, Rhode Island 02903.
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|FIFTH.                The
total number of shares of stock that this corporation shall have authority to issue  is
100  shares of Common Stock, $0.01 par value per share.  Each share of Common Stock
shall be entitled to one vote.
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|SIXTH.                 Except
as otherwise provided in the provisions establishing a class of stock, the number  of
authorized shares of any class or series of stock may be increased or decreased (but  not
below the number of  shares thereof then outstanding) by the affirmative vote of the
holders of a majority of the voting power of the  corporation entitled to vote
irrespective of the provisions of Section 242(b)(2) of the General Corporation Law  of
the State of Delaware.
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|SEVENTH.          
The election of directors need not be by written ballot unless the by-laws shall so
require.
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|EIGHTH.  ;          
In furtherance and not in limitation of the power conferred upon the board of directors
by law,  the board of directors shall have power to make, adopt, alter, amend and repeal
from time to time by-laws of this  corporation, subject to the right of the stockholders
entitled to vote with respect thereto to alter and repeal  by-laws made by the board of
directors.
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|NINTH.              
A director of this  corporation  shall not be liable to this  corporation or its
stockholders for  monetary  damages for breach of fiduciary  duty as a director,  except
to the extent such  exemption from liability  or  limitation  thereof is not  permitted
under the  Delaware  General  Corporation  Law as the same exists or may  hereafter  be
amended.  No  amendment  or repeal of this  Article  NINTH  shall apply to or have any
effect on the  liability or alleged  liability of any director of the  Corporation for or
with respect to any acts or omissions of  such director occurring prior to such amendment
or repeal.
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|TENTH.             
This corporation shall, to the maximum extent permitted from time to time under the law
of the State of Delaware, indemnify and upon request advance expenses to any person who
is or was a party or is threatened to be made a party to any threatened, pending or
completed action, suit, proceeding or claim, whether civil, criminal, administrative or
investigative, by reason of the fact that such person is or was or has agreed to be a
director or officer of this corporation or while a director or officer is or was serving
at the request of this corporation as a director, officer, partner, trustee, employee or
agent of any corporation, partnership, joint venture, trust or other enterprise,
including service with respect to employee benefit plans, against expenses (including
attorney's fees and expenses), judgments, fines, penalties and amounts paid in settlement
incurred (and not otherwise recovered) in connection with the investigation, defense
(including in the preparation to defend), settlement or resolution of such action, suit,
proceeding or claim; provided, however, that the foregoing shall not
require this corporation to indemnify or advance expenses to any person in connection
with any action, suit, proceeding, claim or counterclaim initiated by or on behalf of
such person. Such indemnification shall not be exclusive of other indemnification rights
arising under any by-law, agreement, vote of directors or stockholders or otherwise and
shall inure to the benefit of the heirs and legal representatives of such person. Any
person seeking indemnification under this Article TENTH shall be deemed to have met the
standard of conduct required for such indemnification unless the contrary shall be
established. Any repeal or modification of the foregoing provisions of this Article
TENTH shall not adversely affect any right or protection of a director or officer of
this corporation with respect to any acts or omissions of such director or officer
occurring prior to such repeal or modification.
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|ELEVENTH.      
The books of this corporation may (subject to any statutory requirements) be kept
outside the State of Delaware as may be designated by the board of directors or in the
by-laws of this  corporation.
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Signed
on March 28, 2003

/s/Kevin W. Donnelly
Name:     Kevin W. Donnelly
Title:        Vice President and Secretary