THERMO-MIZER ENVIRONMENTAL CORP
S-8 POS, 1997-01-10
MEDICAL, DENTAL & HOSPITAL EQUIPMENT & SUPPLIES
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                                        SECURITIES AND EXCHANGE COMMISSION
                                              WASHINGTON, D.C. 20549
                                           POST EFFECTIVE AMENDMENT NO.1
                                                        TO
                                                      FORM S-8 POS

                                          REGISTRATION STATEMENT
                                                       UNDER
                                            THE SECURITIES ACT OF 1933

                                         THERMO-MIZER ENVIRONMENTAL CORP.
                              (Exact name of registrant as specified in its 
                                                         charter)

                                                     Delaware
                          (State or other jurisdiction of incorporation or 
                                                  organization)

                                                    22-2312917
                                           (Employer Identification No.)

                                      528 Oritan Avenue, Ridgefield, NJ 07657
                                     (Address of principal executive offices)

                                               NONQUALIFIED OPTIONS
                                             (Full title of the plan)

                                               Steven Schuster, Esq.
                                              McLaughlin & Stern, LLP
                                                260 Madison Avenue
                                                New York, NY 10016

                                                  (212) 448-1100
                (Telephone number, including area code, of agent for service)



                                          CALCULATION OF REGISTRATION FEE
- ------------------------------------------------------------------------------


Title of             Amount    Proposed maximum  Proposed maximum    Amount
securities            to be    offering price    aggregate            of
to be registered   registered  per share (1)     offering price (1)registration 
                                                                     fee

- ------------------------------------------------------------------------------


Common Stock,   180,000 shares  $1.16           $208,800             $63.27
par value
$.001 per share



<PAGE>



Class B Warrants360,000 warrants $.05           $18,000               $5.45

Common Stock,
 par value $.001,
underlying
Class B Warrants   360,000 Shares    $3.00          $1,080,000       $327.27


         Total                                                    $395.99(2)


1)        Pursuant to Rule 457 (h) , the offering price of such shares
is estimated solely for the purpose of determining the registration fee.


2)       Paid in connection with filing of Registration Statement on
October 21, 1996.

                  This  Registration  Statement,   including  all  exhibits  and
attachments,  contains 20 pages. The exhibit index may be found on page 7 of the
consecutively numbered pages of the Registration Statement.



<PAGE>



                                                      PART 1
                               INFORMATION REQUIRED IN THE SECTION 10 (A) 
                               PROSPECTUS

Item 1.  Plan Information

         The documents containing the information specified in this Item will be
sent or given to  individuals  who have  been  granted  awards  of  nonqualified
options  by  Thermo-Mizer  Environmental  Corp.,  a  Delaware  corporation  (the
"Registrant"),  and are not being filed with, or included in, this  Registration
Statement on Form S-8 (the  "Registration  Statement")  in  accordance  with the
rules  and   regulations  of  the  Securities  and  Exchange   Commission   (the
"Commission").


         The Board of Directors of the Registrant has authorized the issuance of
nonqualified stock options covering up to 180,000 units, each unit consisting of
one share of Common Stock and two Class B Warrants at a price of $1.16 per unit.
Options  covering  180,000 units have been granted to officers,  directors,  and
employees, subject to the effectiveness of this registration statement.

   
         The Options are immediately  exercisable for a period of five (5) years
commencing upon the filing of this Registration Statement.

         The  Class B  Warrants  included  in the Units  are  exercisable  at an
exercise  price  equal to the greater of (i) $3.00 per share or (ii) 120% of the
offering price of a share of the Registrant's  Common Stock in a public offering
by the  Registrant  which  offering  results in gross  proceeds of not less than
$3,000,000.  The Class B warrants shall be immediately  exercisable for a period
of five years  commencing upon the filing of this  Registration  Statement.  The
Class B  Warrants  shall  otherwise  be on  substantially  the same terms as the
Redeemable  Warrants  issued by the Registrant in its initial  public  offering,
including the antidilution provisions.
    

Item 2.  Registrant Information and Employee Plan Annual Information

         The documents containing the information specified in this Item will be
sent or given to individuals  who have been granted awards by the Registrant and
are not being  filed with,  or  included  in,  this  Registration  Statement  in
accordance with the rules and regulations of the Commission.



<PAGE>




                                                      PART II
                                INFORMATION REQUIRED IN THE REGISTRATION  
                                STATEMENT

Item 3.  Incorporation of  Certain Documents by Reference

         1. The  description of the shares of common stock,  par value $.001 per
share ("the Common Stock"), contained in the Registrant's Registration Statement
on form 8-A filed with the Commission on October 13, 1995 (File number  O-26982)
pursuant to Section 12 (g) of the  Securities  Exchange Act of 1934,  as amended
(the "Exchange  Act"),  which  incorporates  by reference the description of the
shares of Common  Stock  contained  in the  Registration  Statement on Form SB-2
(File Number  33-87284-NY)  declared  effective by the  Commission on August 14,
1995.

         2.       The Registrant's Registration Statement on Form SB-2
(File Number 33-87284-NY)

         3.       The Registrant's annual report on Form 10-KSB for the 
fiscal year June 30, 1996 filed on September 30 1996.

         4. The  Registrant's  annual  report on Form 10-KSB for the fiscal year
ended June 30, 1995 filed on October 10, 1995.

         5.       The Registrant's quarterly report on Form 10-QSB for the 
quarter ended September 30, 1995.

             6.   The Registrant's quarterly report on Form 10-QSB for the
quarter ended December 31, 1995.

         7.       The Registrant's Registration Statement on Form SB-2 
(File Number 33-80961-NY)declared effective by the Commission on 
February 27, 1996.

         8.       The Registrant's quarterly report on Form 10-QSB for the 
quarter ended March 31,1996.

         9.       The Registrant's quarterly report on Form 10-QSB for the 
quarter ended September 30, 1996.


         All documents filed by the Registrant  with the Commission  pursuant to
Sections 13 (a), 13 (c), 14 or 15 (d) of the Exchange Act subsequent to the date
hereof and prior to the filing of a  post-effective  amendment,  which  indicate
that  all  securities  offered  have  been  sold or which  deregisters  all such
securities  then  remaining  unsold,  shall  be  deemed  to be  incorporated  by
reverence  herein  and to be a part  hereof  from  the  date of  filing  of such
documents.  Any  statement  contained  herein or in a document  incorporated  or
deemed to be incorporated by reference  herein shall be deemed to be modified or
superseded  for  purposes of this  Registration  Statement  to the extent that a
statement  contained  herein or in any other  subsequently  filed document which
also is incorporated  or deemed to be incorporated be reference  herein modifies
or supersedes such statement. Any such statement


<PAGE>



so  modified  or  superseded  shall  not be  deemed,  except as so  modified  or
superseded, to constitute a part of this Registration Statement.


Item 4.  Description of  Securities

         The  description  of the shares of common  stock,  par value  $.001 per
share ("the Common Stock"), contained in the Registrant's Registration Statement
on form 8-A filed with the Commission on October 31, 1995 (File number  O-26982)
pursuant  to  Section  12 (g) of the  Exchange  Act of  1934,  as  amended  (the
"Exchange Act"),  which  incorporates by reference the description of the shares
of Common  Stock  contained  in the  Registration  Statement  on Form SB-2 (File
Number 33- 87284-NY). Such shares are traded on the NASDAQ SmallCap Market under
the symbol "THMZ" and the Boston Stock Exchange under the symbol "THZ."

   
         The  Class B  Warrants  included  in the Units  are  exercisable  at an
exercise  price  equal to the greater of (i) $3.00 per share or (ii) 120% of the
offering price of a share of the Registrant's  Common Stock in a public offering
by the  Registrant  which  offering  results in gross  proceeds of not less than
$3,000,000. The Class B warrants shall be exercisable for a period of five years
commencing  upon the  earlier  of (i) the  consummation  of an  Acquisition,  as
defined,  or (ii) one year from the date on which the Options are  granted.  The
Class B  Warrants  shall  otherwise  be on  substantially  the same terms as the
Redeemable  Warrants  issued by the Registrant in its initial public offering in
March 1996, including the antidilution provisions.

         An  Acquisition  shall  be  deemed  to  include  the  purchase  by  the
Registrant  (by cash or the issuance of  securities,  or both) of a corporation,
partnership  or  other  entity  introduced  to  the  Registrant  by  Solay,  Inc
("Consultant")  and the purchase of the  Registrant  (by cash or the issuance of
securities, or both) by a corporation, partnership or other entity introduced to
the Registrant by Consultant.
    

Item 5.  Interests of Named Experts and Counsel

         Not applicable.

Item 6.  Indemnification of Directors and Officers

         Reference  is made to Section 145 of the Delaware  General  Corporation
Law, as amended (the "DGCL"),  which  provides that a corporation  may indemnify
any  person  who was or is a party  or is  threatened  to be made a party to any
threatened,  pending or completed  legal  action,  suit or  proceeding,  whether
civil, criminal,  administrative or investigative (other than an action by or in
the right of such  corporation) by reason of the fact that such person is or was
a director, officer, employee or agent of such corporation, or is or was serving
at the request of such  corporation  in such capacity of another  corporation or
business organization.  The indemnity may include expenses (including attorneys'
fees),  judgments,  fines and amounts paid in settlement actually and reasonably
incurred by such director,  officer,  employee or agent in connection  with such
action,  suit or  proceeding  is such person acted in good faith and in a manner
such person reasonably believed to be


<PAGE>



in or not opposed to the best interest of the corporation,  and, with respect to
any criminal action or proceeding,  had no reasonable cause to believe that such
person's conduct was unlawful. A Delaware corporation may indemnify officers and
directors  in an  action  by or in the  right of a  corporation  under  the same
conditions,  except  that  no  indemnification  is  permitted  without  judicial
approval if the officer or director is adjudged to be liable to the corporation.
Where an officer or director is  successful  on the merits or  otherwise  in the
defense of any action  referred to above,  the  corporation  must  indemnify him
against the  expenses  that such  officer or director  actually  and  reasonably
incurred.

         Reference  is also  made to  Section  102  (b) (7) of the  DGCL,  which
enables a corporation in its certificate of  incorporation to eliminate or limit
the personal  liability of a director for monetary  damages for  violations of a
director's  fiduciary  duty,  except  for  liability  (I) for any  breach of the
director's duty of loyalty to the corporation or its stockholders, (ii) for acts
or omissions  not in good faith or which  involve  intentional  misconduct  or a
knowing  violation of law,  (iii) under Section 174 of the DGCL  (providing  for
liability of  directors  for  unlawful  payment of  dividends or unlawful  stock
purchases or redemptions)  or (iv) for any  transaction  from which the director
derived an improper personal benefit.

Item 7.  Exemption From Registration Claimed

         Not applicable.

Item 8.  Exhibits

3(i)       *Certificate of Incorporation

3(ii)      *By-Laws

4(i)     Form of Option to be issued to Officers, Directors, Consultants 
and Employees, as amended.

4(ii)    *Form of Class B Warrant

5           Opinion of McLaughlin & Stern, LLP regarding the legality of the
securities being registered.

24.2      Consent of McLaughlin & Stern, LLP (included in, and incorporated by 
Exhibit 5 hereto).

*Included in, and  incorporated by reference to, the  Registrant's  Registration
Statement on Form S-8, filed on October 21, 1996.

Item 9.  Undertakings.

         The Registrant hereby undertakes:

         (1) To file, during any period in which offers or sales are being made,
a  post-effective  amendment  to this  Registration  Statement  to  include  any
material information with respect to the plan


<PAGE>



of distribution not previously  disclosed in this Registration  Statement or any
material change to such information in the Registration Statement.

         (2) That,  for the  purpose  of  determining  any  liability  under the
Securities Act, each such  post-effective  amendment shall be deemed to be a new
registration  statement  relating to the  securities  offered  therein,  and the
offering of such  securities at that time shall be deemed to be the initial bona
fide offering thereof.

         (3) To remove from registration by means of a post-effective  amendment
any of the  securities  being  registered  hereby  which  remain  unsold  at the
termination of the offering.

         (4)  That,  for  purposes  of  determining   any  liability  under  the
Securities Act of 1933, each filing of the  Registrant's  annual report pursuant
to  Section  13 (a) or  Section  15 (d) of the  Exchange  Act of  1934  that  is
incorporated by reference in this Registration Statement shall be deemed to be a
new registration  statement relating to the securities offered therein,  and the
offering of such securities offered therein, and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

         (5)  Insofar  as  indemnification  for  liabilities  arising  under the
Securities Act may be permitted to directors,  officers and controlling  persons
of the  Registrant  pursuant to the  foregoing  provisions,  or  otherwise,  the
Registrant  has  been  advised  that  in  the  opinion  of the  Commission  such
indemnification  is against public policy as expressed in the Securities Act and
is,  therefore,  unenforceable.  In the event  that a claim for  indemnification
against  such  liabilities  (other  than the payment by  Registrant  of expenses
incurred or paid by a director,  officer or controlling  person of Registrant in
the  successful  defense of any action,  suit or proceeding) is asserted by such
director,  officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter
has been  settles by  controlling  precedent,  submit to a court of  appropriate
jurisdiction the question whether such  indemnification  by it is against public
policy as  expressed  in the  Securities  Act and will be  governed by the final
adjudication of such issue.





<PAGE>



                                                    SIGNATURES

   
         Pursuant  to the  requirements  of the  Securities  Act  of  1933,  the
Registrant certifies that it has reasonable grounds to believe that it meets all
of the  requirements  for filing Amendment No. 1 to Form S-8 and has duly caused
this  Registration  Statement  to be  signed on its  behalf by the  undersigned,
thereunto duly authorized,  in the Town of Ridgefield,  State of New Jersey,  on
this 2nd day of December, 1996.
    

                        THERMO-MIZER ENVIRONMENTAL CORP.

                                            By:    /s/Jon J. Darcy
                                  Jon J. Darcy
                                                     President

         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
Amendment  No. 1 to  Registration  Statement  has been  signed by the  following
persons in the capacities and on the dates indicated.


Signature                          Title                            Date

/s/Jon J. Darcy                    President, Chief Executive  December 2, 1996
- ---------------------------
Jon J.  Darcy                      Officer,  Director


/s/Prem Chopra                     Chief Financial Officer     December 2, 1996
- ------------------------
Prem Chopra


/s/Edward A. Sundberg.             Chairman of the Board       December 2, 1996
- ----------------------
Edward A.  Sundberg                of  Directors


____________________               Director                    December 2, 1996
Carl R. Bruno


/s/K. Ivan F. Gothner              Director                    December 2, 1996
- --------------------------
K. Ivan F. Gothner


/s/Edward A. Heil                  Director                    December 2, 1996
Edward A. Heil





<PAGE>




                                                             SIGNATURES

         Pursuant  to the  requirements  of the  Securities  Act  of  1933,  the
Registrant certifies that it has reasonable grounds to believe that it meets all
of the requirements for filing on Form S-8 and has duly caused this Registration
Statement  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized,  in the Town of Ridgefield,  State of New Jersey, on this 2nd day of
December, 1996.

                        THERMO-MIZER ENVIRONMENTAL CORP.

                                            By:
                                  Jon J. Darcy
                                  President

         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
Registration  Statement  has  been  signed  by  the  following  persons  in  the
capacities and on the dates indicated.

Signature                Title                       Date

                President, Chief Executive       December 2, 1996
Jon J.  Darcy       Officer,  Director


                Chief Financial Officer          December 2, 1996
Prem Chopra


     .          Chairman of the Board            December 2, 1996
- -------------
Edward A.  Sundberg  of  Directors


___________              Director                December 2, 1996
Carl R. Bruno


                         Director                December 2, 1996
         K. Ivan F. Gothner


                         Director                December 2, 1996
         Edward A. Heil

Exhibit 4(i)




<PAGE>



                                                          OPTION AGREEMENT



                  OPTION AGREEMENT dated as of ____________ between Thermo-Mizer
Environmental   Corp.,  a  Delaware   corporation   (the   "Corporation"),   and
______________ (the "Optionee").

                                                           R E C I T A L S
                  WHEREAS,  the Corporation desires to grant to the Optionee the
right and option (the  "Option") to purchase up to ________ units (the "Units"),
each Unit  consisting  of one share of the  Corporation's  common  stock and two
Class B Warrants (the  "Warrants") at a price of $1.16 per Unit on the terms and
subject to the conditions hereinafter set forth;
                  WHEREAS,  the Option evidences the plan to issue non-qualified
stock  options to  officers,  directors  and  employees  adopted by the Board of
Directors of the Corporation in September 1996.
                  NOW, THEREFORE,  in consideration of the receipt of $1.00, and
other  good  and  valuable  consideration,   the  receipt  of  which  is  hereby
acknowledged, the parties hereby agree as follows:
                  SECTION 1  Option To Purchase Units.

                                    (a)  Subject to Section 10 hereof, the 
Corporation grants to the Optionee the  Option to purchase from the Corporation 
 95,000 Units at a price of $1.16 per Unit (the "Option Price").

         The Corporation has registered the 180,000 shares of Common Stock,  the
360,000  Warrants and the 360,000 shares of Common Stock underlying the Warrants
(collectively  the "Securities") on Form S-8 for the issuance and resale thereof
in accordance with the Securities Act of 1933, as amended (the "Act").

         The  Option  may be  exercised  with  respect to the Units for a period
commencing upon the date hereof and terminating five years from the date hereof.
<PAGE>



         The Class B Warrants shall be exercisable at an exercise price equal to
the  greater  of $3.00  per  share or 120% of the  offering  price of a share of
Common Stock of the Corporation in a public  offering by the  Corporation  which
offering  results in gross  proceeds of a minimum of  $3,000,000.  The  Warrants
shall be exercisable  for a period of five years  commencing upon the earlier of
the  consummation  of an  Acquisition  or one  year  from the  date  hereof.  An
Acquisition  shall be deemed to include the purchase by the Corporation (by cash
or the issuance of securities,  or both) of a corporation,  partnership or other
entity  introduced  to the  Corporation  by Solay,  Inc.  ("Consultant")  or the
acquisition of the  Corporation  by a  corporation,  partnership of other entity
introduced to the  Corporation by Consultant,  which  Acquisition is consummated
within six months after the  termination of the Consulting  Agreement dated July
31, 1996  between the  Corporation  and  Consultant.  Except with respect to the
exercise price and the warrant solicitation fee, the Warrants shall otherwise be
on the same terms as the  warrants  offered by the  Corporation  in the  initial
public  offering  in March  1996,  including  the  antidilution  provisions.  In
addition, the Corporation, at its discretion may elect not to utilize a transfer
agent.

                           (b)        The Option may be exercised by the 
Optionee with respect to the  Units by delivery to the  Corporation,  of a 
written  notice (the "Option  Notice"),  which Option Notice shall state such
holder's  intention to exercise the Option,  the Closing Date on which the 
holder  proposes to purchase the Option  Shares (the  "Closing Date")  and the  
number of Units to be  purchased  on the  Closing  Date,  which Closing Date 
shall be no later than 30 days nor earlier  than l0 days  following
the date of the Option  Notice.  Upon  receipt by the  Corporation  of an Option
Notice from the holder of this  Option,  the  Corporation  shall be obligated to
sell, and the holder of this Option shall be obligated to purchase,  that number
of Units to be purchased on the Closing Date set forth in the Option Notice.
                           (c)        The purchase and sale of Units acquired
pursuant to the terms of this Agreement shall be made on the Closing Date at 
the offices of the  Corporation.  Delivery of the stock  certificate  or other 
instruments  registered  in the  name of  Optionee,evidencing the Units being 
purchased on the Closing Date,  shall be made by the Corporation  to  Optionee
on the  Closing  Date  against  the  delivery  to the Corporation of a check in 
the full amount 
<PAGE>



of the aggregate purchase price therefor.
                           SECTION 2.  Reorganizations; Mergers; Sales; Etc.  
If, at any time during the Option Period,  there shall be any capital  
reorganization,  reclassification of common stock  (other  than a change  in 
par  value or from par value to no par value or from  no  par  value  to  par  
value  or as a  result  of a  stock  dividend  or subdivision,  split-up or 
combination of shares), the consolidation or merger of the  Corporation  with  
or into  another  corporation  or of the  sale of all or substantially all the 
properties and assets of the Corporation as an entirety to any other  
corporation or of the sale of all or substantially all the properties
and assets of the Corporation as an entirety to any other corporation or person,
this Option shall, after such reorganization,  reclassification,  consolidation,
merger or sale,  be  exercisable  for the kind and  number of shares of stock or
other securities or property of the Corporation or of the corporation  resulting
from such consolidation or surviving such merger or to which such properties and
assets  shall have been sold to which such  holder  would have been  entitled if
such  holder  would have been  entitled if such holder had held shares of common
stock   issuable   upon  the   exercise   hereof   immediately   prior  to  such
reorganization, reclassification,  consolidation, merger or sale. The provisions
of  this  Section  3  shall  similarly  apply  to  successive   reorganizations,
reclassifications, consolidations, mergers and sales.
                  SECTION 3.  Adjustment of Units and Option Price.
                                    (a)  The number of Units subject to this 
Option during the Option Period shall be cumulative  as to all prior dates of 
calculation  and shall be adjusted for any stock dividend, subdivision, 
split-up or combination of common stock.
                                    (b)  The Option Price shall be subject to 
adjustment from time to time as follows:
                                            (i)  If, at any time during the
Option Period, the number of shares of common stock  outstanding is increased 
by a stock dividend  payable in shares of common stock, then,  immediately  
following the record date fixed for the determination of holders of shares of 
common stock  entitled to receive  such stock  dividend, subdivision or 
split-up,  the Option Price shall be  appropriately  decreased so that the 
number of Units


<PAGE>



included in the Units  issuable  upon the exercise  hereof shall be increased in
proportion to such increase in outstanding shares.
                                            (ii)  If, at any time during the
Option Period, the number of shares of common stock outstanding is decreased by 
a combination of outstanding  shares of common stock,  then,  immediately 
following the record date for such combination,  the Option  Price  shall be 
appropriately  increased  so that the  number  of Units issuable upon the 
exercise hereof shall be decreased in outstanding shares.
                  SECTION 4.  Transfer of Option; Successors and Assigns.
                           This Agreement and all the rights hereunder shall be
binding upon and inure to the benefit of the parties hereto and their 
respective successors, assigns and transferees.
                  SECTION 5. Notices.  All notices or other communications which
are  required  or  permitted  hereunder  shall be in writing and  sufficient  if
delivered  personally,  by  telecopy,  overnight  courier or  registered  mail,,
postage prepaid, return receipt requested, addressed as follows:
                  If to the Corporation or Optionee, to:
                  Thermo-Mizer Environmental Corp.
                  528 Oritan Avenue
                  Ridgefield, New Jersey 06757

                  With a copy to:

                         McLaughlin & Stern LLP
                         260 Madison Avenue
                         New York, New York  l0016
                        Attention:  Steven W. Schuster, Esq.

or to such  other  address  as the party to whom  notice is to be given may have
furnished  to the other party in writing in  accordance  herewith.  If delivered
personally,  by courier or  telecopy,  such  notice  shall be deemed  given when
delivered.  If mailed as aforesaid,  any such  communication  shall be deemed to
have been given on the third  business day  following the day on which the piece
of mail containing such communication is posted.

                           SECTION 6.  Governing Law.  This Agreement shall be
governed by, and construed in accordance with, the laws of the State of New 
Jersey.



<PAGE>



                           SECTION 7  Entire Agreement .  This Agreement 
contains the entire agreement between the parties  hereto with  respect to the  
transactions  contemplated  herein and supersedes   all   previously   written  
or  oral   negotiations,   commitments, representations and agreements.

                           SECTION 8.  Execution in Counterpart. 
This Agreement may be executed in one or more counterparts,  each of which 
shall be deemed an original, but all of which shall constitute one and the same 
instrument.

                           SECTION 9.  Amendments and Modifications.  This
Agreement, or any provision hereof, may not be amended,  changed or modified  
without the prior  written  consent of each of the parties hereto.

                           SECTION 10.  Termination.  In addition to the
termination provisions set forth in Section 1  hereof,  the  Option  shall 
terminate  and the  Option  shall no  longer  be exercisable  on the date  
five (5) years  from the  commencement  of the  Option Period.

         IN  WITNESS  WHEREOF,  the  parties  hereto  have  caused  this  Option
Agreement to be executed and delivered as of the date first above written.


                                           THERMO-MIZER ENVIRONMENTAL CORP.


                                                     By:



























<PAGE>


Exhibit 5




January 7, 1997

United States Securities and
Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549

RE: Thermo-Mizer Environmental Corp.

Gentlemen:

       Reference  is  made  to the  Registration  Statement  on  Form  S-8 ( the
"Registration Statement"),  filed with the Securities and Exchange Commission by
Thermo-Mizer  Environmental Corp (the "Company") on October 21, 1996, as amended
by Post-Effective Amendment No. 1..

       We hereby advise you that we have examined  originals or copies certified
to our satisfaction of the Certificate of Incorporation  and amendments  thereto
and the  By-Laws  of the  Company,  minutes  of the  meetings  of the  Board  of
Directors and Shareholders and such other documents and instruments, and we have
made such examination of law as we have deemed  appropriate as the basis for the
opinions hereinafter expressed.

       Based on the foregoing, we are of the opinion that:

                  1.       The Company has been duly incorporated and is 
validly existing and in good standing under the laws of the State of Delaware.

                  2.  The  180,000  shares  of  Common  Stock,  360,000  Class B
Warrants, and the 360,000 shares of Common Stock underlying the Class B Warrants
which are due to be sold pursuant to the  Registration  Statement have been duly
and validly  authorized  and, when issued and paid for, will be validly  issued,
fully paid, and non-assessable.

       In  addition,  we hereby  consent to the  reference to our firm under the
caption  "Legal  Matters" in the  prospectus  forming part of such  Registration
Statement  and to the filing of this  opinion as an exhibit to the  Registration
Statement.



                                Very truly yours,



                                                     McLAUGHLIN & STERN, LLP




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