QuestAir to Supply Hydrogen Purifier to Hydro-Chem for Eastern European Hydrogen Plant

FOR: QUESTAIR TECHNOLOGIES INC.

TSX, AIM SYMBOL: QAR

August 25, 2006

VANCOUVER, BRITISH COLUMBIA--(CCNMatthews - Aug. 25, 2006) - QuestAir Technologies Inc. (TSX:QAR)(AIM:QAR)
announced today that it will supply one of its H-3200 hydrogen purifiers to Hydro-Chem, a leading global
supplier of industrial hydrogen plants. Hydro-Chem is a division of Linde BOC Process Plants LLC.

Jonathan Wilkinson, President and CEO of QuestAir said that the H-3200 pressure swing adsorption ("PSA") system
will be included in a hydrogen plant that Hydro-Chem is supplying to an industrial customer in Eastern Europe.

"This is our first sale of a full-scope PSA system to Hydro-Chem, and follows the manufacturing license
agreement that we signed with Hydro-Chem earlier in 2006 which covered our larger capacity H-3100 PSA systems,"
said Wilkinson. "We are extremely pleased to extend our commercial relationship with Hydro-Chem to include our
smaller capacity H-3200 systems."

Dennis Norton, Hydro-Chem's president said, "QuestAir's H-3200 PSA hydrogen purifier has established a market-
leading position in hydrogen purification market, and we are very pleased with the performance and cost
benefits that the H-3200 offers to Hydro-Chem's smaller-capacity hydrogen plants."

About QuestAir H-3200

QuestAir's H-3200 purifies hydrogen-containing gas streams to high purity hydrogen for use in industrial
processes, on-site hydrogen plants and hydrogen fueling stations. The H-3200's optimized Pressure Swing
Adsorption ("PSA") process and proprietary rotary valve technology deliver higher efficiency than conventional
PSA systems in a more compact, cost effective package. Since the product launch in 2003, QuestAir has sold more
than 30 H-3200 systems to customers in Europe, Japan and North America.

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".

About Hydro-Chem

Hydro-Chem specializes in the design, engineering and construction of modular hydrogen plants. Hydro-Chem has
supplied over 140 hydrogen plants to key clients in the food, steel, glass and petrochemical industries since
1975. Hydro-Chem is a division of Linde BOC Process Plants LLC.

Forward-Looking Statements

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.

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FOR FURTHER INFORMATION PLEASE CONTACT:

QuestAir Technologies Inc.
Andrew Hall
Director, Corporate Development
(604) 453-6967
hall@questairinc.com
www.questairinc.com

Buchanan Communications
Charles Ryland
UK Media Contact
+44 (0) 20 7466 5000

Buchanan Communications
Ben Willey
UK Media Contact
+44 (0) 20 7466 5000

James Hoggan & Associates
Terry Foster
Canadian Media Contact
(604) 739-7500

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QuestAir Technologies Inc.

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