FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0104 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person *   RS Properties I LLC 2. Date of Event Requiring Statement (Month/Day/Year) 06/19/2007 3. Issuer Name and Ticker or Trading Symbol KRONOS ADVANCED TECHNOLOGIES INC [KNOS.OB] (Last) (First) (Middle) 40 WALL STREET, 23RD FLOOR 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director __X__ 10% Owner _____ Officer (give title below) __X__ Other (specify below) Member 13(d) group owning +10% 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) NEW YORK, NY 10005 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Secured Convertible Promissory Note	  (1)	06/19/2010	Common Stock	328,751,428 (2)	$ 0.0028 (3)	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
RS Properties I LLC 40 WALL STREET, 23RD FLOOR NEW YORK, NY 10005	Â	  X	Â	Member 13(d) group owning +10%

Signatures

/s/ John Lack		06/29/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Immediately.
(2)	Assumes the current principal balance of $920,000 million of the Secured Convertible Promissory Note is converted at a Conversion Price of $0.0028. The number of shares of Common Stock the Secured Convertible Promissory Note is convertible into is determined by dividing (x) that portion of the outstanding principal balance under the Secured Convertible Promissory Note being converted as of the date of conversion by (y) the then applicable Conversion Price. Excludes up to 1,985,714,285 additional shares of Common Stock which may become issuable if the Secured Convertible Promissory Note is funded in full. The holder has the right to advance an additional $5.56 million under the terms of the Secured Convertible Promissory Note.
(3)	Subject to adjustment under certain specified circumstances.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.