QuestAir Announces Board Changes

    FOR:  QUESTAIR TECHNOLOGIES INC.

TSX, AIM SYMBOL:  QAR

August 24, 2007

QuestAir Announces Board Changes

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Aug. 24, 2007) - QuestAir Technologies Inc.
(TSX:QAR)(AIM:QAR) announced today that Harold Copping, a non-executive director of QuestAir since
2004, has given notice of intention to retire from the board of directors on September 30, 2007.

Mr. Copping's resignation is part of a managed transition that saw QuestAir appoint an additional
Board member at its most recent Annual General Meeting. Mr. R. Terry Blaney joined the board of
directors in May 2007, in order to allow for an orderly transition of responsibilities in advance of
Mr. Copping's pending retirement.

Commenting on Mr. Copping's retirement, Denis Connor, Chairman of QuestAir said, "We are grateful to
Harold for his years of service to the Company. His insights have informed the governance and
strategic direction of QuestAir at an important stage in the Company's development. We wish him well
in his retirement."

Disclosure of changes in the board of directors is made pursuant to the rules governing the operation
of AIM as established by the London Stock Exchange Plc.

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".

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.
Jonathan Wilkinson
Chief Executive Officer
[phone]
Email: [e-mail]
Website: www.questairinc.com

OR

Buchanan Communications
Charles Ryland
UK media contact
[phone]

OR

Buchanan Communications
Ben Willey
UK media contact
[phone]

OR

Canaccord Adams
Robert Finlay
[phone]

OR

Canaccord Adams
Erin Needra
[phone]


								
QuestAir Technologies Inc.