AirTest introduces LonWorks(R) sensors to expand market opportunity



    DELTA, BC, June 3 /CNW/ - AirTest Technologies (TSXV:AAT) is pleased to
announce the immediate availability of the TR9294-Lon CO(2) transmitter that
is LonWorks(R) communicating. LonWorks(R) is a widely accepted sensor and
control communication standard that is used to easily and inexpensively
network sensors and systems in all types of new and existing buildings. In
essence, Lonworks(R) provides one wire through which all components are
attached and can share common information, much like computers are easily
connected to a network and to the internet.
    AirTest's CO(2) transmitters are used in buildings to save energy by
controlling ventilation based on actual occupancy. CO(2) sensors are placed in
a building much like thermostats and work with existing building control
equipment to better control fresh air ventilation. In most buildings 20% to
40% of heating and cooling is devoted to conditioning outside air. "Virtually
every existing building can save substantial energy with CO(2) control, but
installation has been hindered by complications associated with integrating
the sensors into existing building systems" said George Graham, President of
AirTest Technologies Inc., "Adding LonWorks(R) capability to our sensors will
mean that integration of AirTest CO(2) transmitters into existing buildings
will become much easier for a large percentage of buildings." Many of the
world's major control companies now use LonWorks(R) which can reduce
installation and integration costs in both new and existing buildings.
    AirTest has also recently joined the LonMark(R) association, which is
dedicated to promoting "Open" control systems that allow a wide variety of
products made by different manufacturers, to easily talk to each other. This
group also tests and certifies devices to ensure they are 100% compatible with
other LonWorks(R) products. The TR9294-Lon is the only product of its kind
that has LonMark(R) certification. Members of LonMark International include
the world's leading manufacturers, integrators and users of control systems in
a variety of industries, including building automation, security, lighting,
home/whitegoods, elevators/lifts, mass transit, semiconductor-manufacturing
equipment, consumer appliances, sunblinds, energy metering, construction,
commercial real estate, and industrial automation. Further information on
LonWorks(R) and LonMark(R) certification of products can be obtained at
www.lonmark.org.

    About AirTest: AirTest Technologies is a Green-Tech company specializing
in sensors that improve commercial building operating efficiency and at the
same time create energy savings. These sensors are all based on technical
innovations developed in the last ten years and comprise a growing second wave
of energy saving technologies that will make a significant contribution to the
Sustainable Buildings Program. AirTest offers its products to leading-edge
building owners, contractors and energy service companies targeting the
buildings market. AirTest also provides energy cost reduction solutions to
building equipment and controls manufacturers who incorporate AirTest sensor
components in their products.
    For more information about AirTest's contribution to the Green Buildings
initiative, please contact George Graham at 604-517-3888 or visit the AirTest
website at www.AirTestTechnologies.com .

    Statements about the Company's future expectations and all other
statements in this press release other than historical facts are "forward
looking statements". The Company intends that such forward-looking statements
be subject to the safe harbours created thereby. Since these statements
involve risks and uncertainties and are subject to change at any time, the
Company's actual results may differ materially from the expected results.

    The TSX Venture Exchange does not accept responsibility for the adequacy
    or accuracy of this release.





For further information:

For further information: Mr. George Graham, President, Phone: (604)
517-3888, Fax: (604) 517-3900, Email: ggraham@airtesttechnologies.com,
Website: www.airtesttechnologies.com

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AIRTEST TECHNOLOGIES INC.

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