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1. Technician/ Supervisor Leading to Business Ownership or Partnership. Duct Cleaning, Heat Exchange Coil Cleaning and Refurbishment of Air Conditioning Systems. Indoor Air Quality.

Accepting applications now.

We have a 1 position available immediate start. $18-$50 per hour. Location Perth Metro. The work involves refurbishment and remediation of air conditioning related work to do with indoor air quality and legionnaires disease. We survey buildings for risk and then do the necessary rectification work. Typical jobs may involve duct cleaning, heat exchange coil cleaning, corrosion control, cleaning and sanitisation of AC units, coating of exposed fiberglass with BCS DuctSeal™ etc. Please apply below, if problems call JOHN CHARLICK 0427 748 720. We prefer computer literate applicants and would like you to use the on line application form below. However written and fax applications will also be accepted. Fax 9386 8829. 45A Loch St, Claremont. Please email attachments and applications to john@biologicalcontrolsystems.com


We are looking to leave this lucrative part of our business to concentrate on a reduced number of core activities. We are looking for someone to employ on the basis that they can see the nature of our work with a view to entering into a partnership/part ownership/franchise. We have a number areas in which we are highly competitive having developed a number of unique products and processes. Some of these can be seen at
Click here to download our system for coating fibreglass insulation of air conditioning systems
Click here to dowload our system for cleaning of AC coils
Click here to download our indoor air quality manual

The person we choose to enter into a business relationship must be reliable, honest and ambitious. Please apply if you fit these criteria.

Our online application system is down at the moment - please fax or email your application.

Thank you for your interest in the above positions. To apply for one of these positions, do one of the following:

  1. Fill in our on-line application form for modern web-browsers by clicking here. If you get an error message please accept our apologies- we are having problems- email/ fax us (see above). This form may display and function correctly only with Netscape or Internet Explorer. It will look something like this:

    Internet Explorer screenshot

  2. Fill in our on-line application form for other web-browsers. This form is not as easy to follow, but can be used with other web browsers. The online form It will look something like the following picture. You may also like to look at this sample application form to guide you.

    OmniWeb screenshot

  3. Send an email to john@biologicalcontrolsystems.com with your application for one of the advertised positions. You may include your application details as text within the email, or as an attachment (such as in Acrobat PDF or Microsoft Word format). You may like to use this sample application form as a guide .

Biological Control Systems