AVC S-4 Registration of securities issued in business combination transactions

Exhibit 99.2

NOTICE OF GUARANTEED DELIVERY

FOR OFFER TO EXCHANGE
$500,000,000 PRINCIPAL AMOUNT OF ITS 8.5% SENIOR NOTES DUE APRIL 15, 2021,
WHICH HAVE BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED,
FOR ANY AND ALL OF ITS OUTSTANDING 8.5% SENIOR NOTES DUE APRIL 15, 2021

NORTEK, INC.

THE EXCHANGE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 5:00 P.M., NEW
YORK CITY TIME, ON          , 2011 (THE “EXPIRATION DATE”) UNLESS EXTENDED.

Registered holders of outstanding 8.5% Senior Notes due April 15, 2021 (the “Outstanding Notes”) who wish to tender their Outstanding Notes in exchange for a like principal amount of new 8.5% Senior Notes due April 15, 2021 (the “Exchange Notes”) and whose Outstanding Notes are not immediately available or who cannot deliver their Outstanding Notes and Letter of Transmittal (and any other documents required by the Letter of Transmittal) to U.S. Bank National Association (the “Exchange Agent”) prior to the Expiration Date, may use this Notice of Guaranteed Delivery or one substantially equivalent hereto. This Notice of Guaranteed Delivery may be delivered by hand or sent by facsimile transmission (receipt confirmed by telephone and an original delivered by guaranteed overnight courier) or mailed to the Exchange Agent. See “The Exchange Offer—Procedures for Tendering” in the Prospectus.

The Exchange Agent is:

U.S. BANK NATIONAL ASSOCIATION

By Regular Mail or Overnight Courier:
U.S. BANK NATIONAL ASSOCIATION Corporate Trust Services U.S. Bank West Side Flats Operations Center 60 Livingston Ave. St. Paul, MN 55107
By Registered & Certified Mail:	In Person by Hand Only:
U.S. BANK NATIONAL ASSOCIATION Corporate Trust Services U.S. Bank West Side Flats Operations Center 60 Livingston Ave. St. Paul, MN 55107	U.S. BANK NATIONAL ASSOCIATION Corporate Trust Services 60 Livingston Avenue 1st Floor – Bond Drop Window St. Paul, MN 55107	For Information or Confirmation by Telephone: (800) 934-6802

Delivery of this Notice of Guaranteed Delivery to an address other than as set forth above will not constitute a valid delivery.

This Notice of Guaranteed Delivery is not to be used to guarantee signatures. If a signature on a Letter of Transmittal is required to be guaranteed by an eligible institution (as defined in the Prospectus), such signature guarantee must appear in the applicable space provided on the Letter of Transmittal for Guarantee of Signatures.

Ladies and Gentlemen:

The undersigned hereby tenders the principal amount of Outstanding Notes indicated below, upon the terms and subject to the conditions contained in the Prospectus dated          , 2011 of Nortek, Inc. (the “Prospectus”), receipt of which is hereby acknowledged.

DESCRIPTION OF OUTSTANDING NOTES TENDERED

		Certificate
	Name and address of	Number(s) of
	registered holder as	Outstanding Notes
	it appears on the	Tendered (or	Principal Amount
	Outstanding Notes	Account Number at	of Outstanding
Name of Tendering Holder	(Please Print)	Book-Entry Facility)	Notes Tendered

SIGN HERE

Name of Registered or Acting Holder:  

Signature(s):  

Name(s) (please print):  

Address:  

Telephone Number:  

Date:  

If Outstanding Notes will be tendered by book-entry transfer, provide the following information:

DTC Account Number:  

Date:  

THE FOLLOWING GUARANTEE MUST BE COMPLETED

GUARANTEE OF DELIVERY
(Not to be used for signature guarantee)

The undersigned, a member of a recognized signature guarantee medallion program within the meaning ofRule 17Ad-15 under the Securities Exchange Act of 1934, as amended, hereby guarantees to deliver to the Exchange Agent its address set forth on the reverse hereof, the certificates representing the Outstanding Notes (or a confirmation of book-entry transfer of such Outstanding Notes into the Exchange Agent’s account at the book-entry transfer facility), together with a properly completed and duly executed Letter of Transmittal (or facsimile thereof), with any required signature guarantees, and any other documents required by the Letter of Transmittal within three business days after the Expiration Date (as defined in the Letter of Transmittal).

Name of Firm:
	(Authorized Signature)
Address:	Title:
	Name:
(Zip Code)	(Please type or print)
Area Code and Telephone No.:
	Date:
NOTE:     DO NOT SEND OUTSTANDING NOTES WITH THIS NOTICE OF GUARANTEED DELIVERY. OUTSTANDING NOTES SHOULD BE SENT WITH YOUR LETTER OF TRANSMITTAL.