RNS Number:3983A
QuestAir Technologies Inc
27 March 2006

For Immediate Release                                            27 March, 2006

                           QuestAir Technologies Inc.

                    
                    QuestAir to supply methane recovery system
                             to Cincinnati Landfill




VANCOUVER, B.C. - QuestAir Technologies Inc. (AIM: QAR; TSX: QAR) announced
today that that it has received an order for a M-3100 system to recover pipeline
grade methane from landfill gas ("LFG") at the Rumpke Sanitary Landfill located
near Cincinnati, Ohio.


GSF Energy LLC ("GSF") has purchased QuestAir's system, valued at approximately
US$2 million, as part of an expansion of an existing methane recovery plant
operated by GSF at the landfill site. QuestAir's M-3100 will replace an existing
pressure swing adsorption ("PSA") methane purification system that has reached
the end of its useful life.


Jonathan Wilkinson, President and CEO of QuestAir said that purified methane
from QuestAir's system will be injected into an existing natural gas pipeline
operated by Cincinnati Gas & Electric Company, and supplied to residential and
commercial customers in suburban Cincinnati.


"High energy prices and a tight supply of natural gas in North America have
increased interest in upgrading renewable sources of methane such as LFG to high
value fuel to supplement existing supplies of natural gas. QuestAir's M-3100
provides unique value to developers of these so-called "high Btu" LFG projects
by offering attractive economics and accelerated equipment delivery lead times."


"The landfill gas market represents an exciting growth opportunity for QuestAir.
On average 20 to 30 new LFG energy projects are developed in the US each year,
and the US Environmental Protection Agency has identified over 600 candidate
landfills for project development," Wilkinson said.


The Rumpke Sanitary Landfill serves approximately two million residents and
20,000 local businesses in Ohio, Kentucky and Indiana. Once installed,
QuestAir's M-3100 system will upgrade 6.0 million cubic feet of LFG per day,
producing sufficient purified methane to heat approximately 8,700 homes.


About the QuestAir M-3100

QuestAir's M-3100 PSA product upgrades methane-containing gas streams to
high-purity methane, suitable for supplementing existing natural gas supplies.
QuestAir's proprietary PSA technology was originally developed to purify
hydrogen for industrial markets, such as oil refineries, and for fuel cell
markets. QuestAir's PSA process and proprietary rotary valve technology deliver
higher efficiency than conventional PSA systems in a more compact,
cost-effective package. QuestAir has sold more than 60 PSA systems since 1997 to
customers in North America, Asia and Europe.


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 refuelling
stations. The Company has joint development agreements with Exxon Mobil Research
and Engineering Company and Shell Hydrogen, and a collaboration with FuelCell
Energy. 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.


Contact Information:


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


UK media contact: Canadian media contact:
Charles Ryland Terry Foster
Ben Willey James Hoggan & Associates
Eleanor Williamson Phone: (001) 604-739-7500
Buchanan Communications
Phone: 020 7466 5000



                      This information is provided by RNS
            The company news service from the London Stock Exchange

END
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