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June 17,2009
ATI Airtest Technologies Inc.



DELTA, BC, June 17, 2009 –- AirTest Technologies (TSXV: AAT) announced today that it has introduced the TR9294-WF wireless CO2 and temperature sensor that significantly reduces the cost of installation of this energy savings control technology into existing buildings. This proprietary sensor technology is designed to communicate using WiFi (IEEE 802.11), currently the most widespread, inexpensive and robust wireless network available for homes and buildings.

The new wall mounted wireless CO2 sensor is designed to take advantage of existing WiFi voice/data networks that are already installed in millions of office buildings, health facilities, university campuses, hospitality venues and public assembly areas worldwide. According to George Graham, President of AirTest “The cost of wiring CO2 sensors into buildings is often many times the cost of the sensor. By tapping into this already widely deployed method of wireless communication, the total installed cost of our sensor system can be reduced by 50 to 70% resulting in energy paybacks that will occur in a matter of months for many types of buildings.”

The signal from the sensor can be directed over a local network to a building control system and/or over the Internet to any remote monitoring/data collection location. It can be used for temporary or permanent deployment. The TR9294-WF is also very secure and supports major wireless encryption protocols (WEP128 and WPA2=PSK) and will support DHCP or a static IP address. The device is self-calibrating and maintenance free. The cost and nuisance of battery replacement is eliminated because the device uses 24VAC low-voltage power, which is readily available throughout most buildings. “This sensor offers simple installation and immediate activation” said Graham, “Attach the TR9294-WF to the wall, power it up and it will start communicating instantly with the building’s local wireless network to monitor and/or control both temperature and building ventilation”.

The unit has been designed with the highly popular LEED green building certification program in mind. This program, initiated by the US Green Building Council, provides certification points for including CO2 measurement and control in new and existing buildings. As required by this program, the TR9294-WF transmitter can provide an audible and visual indicator of elevated levels indicating a possible malfunction of the building control system.

AirTest's self-calibrating CO2 sensors save energy in buildings by regulating outside air ventilation based on the actual number of people in a space. This ensures that only enough outside air is heated or cooled to meet the immediate needs of occupants. Much of the demand for this type of sensor is driven by the growing interest in making buildings energy efficient, an important contribution to the creation of green and sustainable buildings. CO2 ventilation control can represent a simple but highly effective way for almost all buildings to reduce energy use while ensuring good indoor air quality for occupants.

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.

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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.

For further information, please contact:

Mr. George Graham, President
Phone: (604) 517 3888
Fax: (604) 517 3900

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Published: June 17,2009 Last Updated: June 17,2009