EXHIBIT 31.2

CERTIFICATION
PURSUANT TO RULE 13a-14
OF THE
SECURITIES EXCHANGE ACT OF 1934 as adopted pursuant to section 302 of
 the Sarbanes-Oxley act of 2002ofChief Operating
Officer

I, Brian Reach, Chief
Operating Officer, President and Director of Henry Bros. Electronics, Inc. (the
 Registrant ), certify that:

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|1. | I have
  reviewed this annual report on Form 10-K of the Registrant;                                                                                                                                                                                                                                              
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|2. | Based on my
  knowledge, this report does not contain any untrue statement of a material
  fact or omit to state a material fact necessary to make the statements made,
  in light of the circumstances under which such statements were made, not
  misleading with respect to the period covered by this report;
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|3. | Based on my
  knowledge, the financial statements, and other financial information included
  in this report, fairly present in all material respects the financial
  condition, results of operations and cash flows of the Registrant as of, and
  for, the periods presented in this report;                   
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|4. | The
  Registrants other certifying officers and I are responsible for establishing
  and maintaining disclosure controls and procedures (as defined in Exchange
  Act Rules 13a-15(e) and 15d-15(e)) and internal controls (as defined in Exchange Act Rules 13(a)-15(f) for
  the Registrant and have:          
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|   | a)                                                                                                                                                                                                                                                                                                                 | Designed
  such disclosure controls and procedures, or caused such disclosure controls
  and procedures to be designed under our supervision, to ensure that material
  information relating to the Registrant, including its consolidated subsidiaries, is made known to us by
  others within those entities, particularly during the period in which this
  report is being prepared;
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|   | b)                                                                                                                                                                                                                                                                                                                 | Designed
  such internal controls over financial reporting or caused such internal
  control over financial reporting to
  be designed under our supervision to provide reasonable assurance regarding
  the reliability of financial reporting and the preparation of financial
  statements for external purposes in accordance with generally accepted
  accounting principles;      
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|   | c)                                                                                                                                                                                                                                                                                                                 | Evaluated the effectiveness
  of the Registrants disclosure controls and procedures and presented in this
  report our conclusions about the disclosure controls and procedures, as of
  the end of the period covered by this report based upon such evaluation; and                                                                                                                  
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|   | d)                                                                                                                                                                                                                                                                                                                 | Disclosed
  in this report any changes in the Registrants internal financial reporting
  that occurred during the Registrants most recent fiscal quarter (the
  Registrants fourth quarter) that has materially affected or is reasonably
  likely to materially
  affect, the Registrants internal control over financial reporting.                                                
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|5. | The
  Registrants other certifying officers and I have disclosed, based on our
  most recent evaluation of internal control over financial reporting, to the
  Registrants auditors
  and the audit committee of the Registrants board of directors (or persons
  performing the equivalent function):         
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|   |                                                                                                                                                                                                                                                                                                                    | a)                                                                                                                                                                                                                                                                                                                                                                                       | All
  significant deficiencies and material weaknesses in the design or operation
  of internal control over financial reporting which are reasonably likely to adversely affect the
  Registrants ability to record, process, summarize and report financial
  information; and
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|   |                                                                                                                                                                                                                                                                                                                    | b)                                                                                                                                                                                                                                                                                                                                                                                       | Any
  fraud, whether or not material, that involves management or other employees
  who have a significant role in
  the Registrants internal control over financial reporting.                                                                                                 

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|---------------------- |  |  | -------------------------------------------------------------------
|Date: October 17, 2007 |  |  | /s/ Brian Reach                                                    
|                       |  | 
|                       |  |  | Name: Brian Reach
  Chief Operating Officer, President and Director

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