SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                     FORM 15

Certification  and Notice of Termination of Registration  under Section 12(g) of
the Securities  Exchange Act of 1934 or Suspension of Duty to File Reports Under
Sections 13 and 15(d) of the Securities Exchange Act of 1934.


                             Commission File Number                1-8138      
                                                    ----------------------------

                            Alarmguard Holdings, Inc.
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             (Exact name of registrant as specified in its charter)


               125 Frontage Road, Orange, CT 06477 (203) 795-9000
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   (Address, including zip code, and telephone number, including area code, of
                    registrant's principal executive offices)


                    Common Stock, par value $0.0001 per share
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            (Title of each class of securities covered by this Form)


                                      None
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(Titles of all other  classes  of  securities  for which a duty to file  reports
under section 13(a) or 15(d) remains)


        Please  place an X in the  box(es) to  designate  the  appropriate  rule
provision(s) relied upon to terminate or suspend the duty to file reports:

               Rule   12g-4(a)(1)(i)  [x]    Rule   12h-3(b)(1)(ii)    [ ]
               Rule   12g-4(a)(1)(ii) [ ]    Rule 12h-3(b)(2)(i)       [ ] 
               Rule 12g-4(a)(2)(i)    [ ]    Rule  12h-3(b)(2)(ii)     [ ] 
               Rule 12g-4(a)(2)(ii)   [ ]    Rule 15d-6                [ ] 
               Rule 12h-3(b)(1)(i)    [ ]


Approximate number of holders of record as of the certification or notice 
                                                               date:      1
                                                                      ----------

        Pursuant to the  requirements  of the  Securities  Exchange Act of 1934,
Alarmguard Holdings,  Inc. has caused this  certification/notice to be signed on
its behalf by the undersigned duly authorized person.

DATE: March 18, 1999              ALARMGUARD HOLDINGS, INC.

                                  By: /s/ Mark H. Swartz
                                      ---------------------
                                  Name: Mark H. Swartz
                                  Title: Vice President