For Immediate Release 28 July, 2006

QuestAir receives final order from ExxonMobil Research and Engineering for refinery demonstration

VANCOUVER, B.C. – QuestAir Technologies Inc. (TSX: QAR; AIM: QAR) (“QuestAir” or the “Company”) announced today that it has received a CDN $2.2 million purchase order from ExxonMobil to complete construction of a prototype hydrogen purifier to be demonstrated at an Exxon Mobil refinery.

QuestAir has been working with ExxonMobil Research and Engineering since 2003 to develop a large capacity pressure swing adsorption (“PSA”) system for use in oil refineries and petrochemical plants. The order announced today covers the supply of QuestAir’s proprietary PSA system as part of the prototype plant. In December 2005, QuestAir received initial purchase orders totalling CDN $1.8 million towards the prototype plant construction.

About QuestAir Technologies Inc.
QuestAir Technologies, Inc. is a developer and supplier of proprietary gas purification systems for several large international markets, including existing markets such as oil refining, biogas production and natural gas processing, and emerging markets such as fuel cell power plants and fuel cell vehicle refueling stations. QuestAir is based in Burnaby, British Columbia and its shares trade on the AIM Market of the London Stock Exchange Plc. and on the Toronto Stock Exchange under the symbol “QAR”

Certain statements in this press release may constitute ‘‘forward-looking’’ statements which involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the Company, or industry results, to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. When used in this press release, such statements use such words as “anticipate”, “believe”, “plan”, “estimate”, “expect”, “intend”, ‘‘may’’, ‘‘will’’ and other similar terminology. These statements reflect current expectations regarding future events and operating performance and speak only as of the date of this press release. Forward-looking statements involve significant risks and uncertainties, should not be read as guarantees of future performance or results, and will not necessarily be accurate indications of whether or not such results will be achieved. A number of factors could cause actual results to differ materially from the results discussed in the forward-looking statements.

For further information, please contact:

QuestAir Technologies Inc.
Andrew Hall
Director, Corporate Development and External Communications
Phone: (001) 604-453-6967
Email: hall@questairinc.com
Web: www.questairinc.com

UK media contact:
Charles Ryland
Ben Willey
Eleanor Williamson
Buchanan Communications
Phone: 020 7466 5000

Canadian media contact:
Terry Foster
James Hoggan & Associates
Phone: (001) 604-739-7500


 

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