AirTest completes key test phase of new wireless control system

    DELTA, BC, April 8 /CNW/ - AirTest Technologies (TSXV: AAT) announced
today the completion of in-field, beta-testing of its new wireless based
control system for parking garages. The completion of this phase of product
development, which involved deployments in a garage environment, means the
company is on track for commercial introduction of the product later this
    AirTest's sensor-based, demand controlled garage ventilation system can
typically reduce energy costs by 90% and kW demand by 80%. Using this approach
the AirTest system modulates code required ventilation rates to reflect actual
vehicle activity in the garage. "Airtest's wireless approach can significantly
reduce the cost of installing these types of systems by 30% or more while
considerably simplifying the installation process," said George Graham,
President of AirTest. Graham added that "We estimate that as many as 75% of
enclosed parking garages in North America are wasting energy by not utilizing
Airtest's demand controlled ventilation strategy. By going wireless we can
overcome the reluctance of building owners to installing an elaborate and
costly wired system."
    This beta test focused on ensuring that AirTest's wireless system could
easily communicate in a variety of actual parking garage environments, which
can be a challenge for conventional wireless approaches because of the
concrete and rebar construction as well as constantly changing number of metal
vehicles that can reflect signals. According to Mike Schell, Director of
Business Development, "AirTest's approach has been to develop a highly
durable, battery operated system that is easily deployed. After studying the
issue for over 3 years we settled on a proprietary approach that utilizes a
proven wireless radio that has been successfully applied in a variety of
industrial and commercial applications."
    Given the completion of these tests in real garage environments, AirTest
anticipates that its first wireless systems for parking garages will start
selling in the summer of this year.

    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.

    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.

    %SEDAR: 00012286E

For further information:

For further information: Mr. George Graham, President, Phone: (604)
517-3888, Fax: (604) 517-3900, Email:,

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