Columbia, MD – August 22, 2011 – Havtech (www.havtech.com), one of the largest commercial HVAC
equipment suppliers serving the Washington, DC metropolitan area, has been named the exclusive
distributor of Krueger VAV Products.

Krueger is a division of Air System Components, Inc. based in Richardson, TX that manufacturers air
distribution products in four facilities located across the United States.  Krueger is dedicated to quality
and innovation which has driven tremendous growth in their market penetration across the United States.

“Krueger’s focus on getting innovative VAV products to market quickly and with a very high level of
quality in both engineering and manufacturing makes them a great fit for Havtech and our focus on
innovation in commercial building comfort systems,” says Joe Roetering, Vice President and General
Manager of Havtech.

Havtech’s representation of Titus, also a Division of Air System Components, Inc. will end effective
September 1, 2011.  Havtech will continue to support clients with Titus products for existing projects
and open quotations during an open ended transition period.

About Havtech
Havtech (www.havtech.com) is the largest and most experienced independent heating, ventilation,
and air conditioning (HVAC) systems sales and service agency serving the Baltimore and Washington,
DC regions.

The Company represents many of the most innovative HVAC equipment and building automation
system manufacturers serving both the commercial and industrial markets.  This depth combined with
expertise in energy efficient HVAC system design and green building methods allows Havtech to offer
cost effective solutions that provide a low environmental impact at the highest return on investment for
the client.

About Krueger
As an industry leader, we service a dedicated customer base accustomed to quality and innovation in
air distribution products.Our goal has always been to offer a diverse product line. We continue in support
of this goal today with an extensive product selection and a special focus on clean room, industrial and
architectural marketplaces.

With five manufacturing locations in four states, Krueger is positioned as the leader in manufacturing
capacity. Krueger excels in providing the market quality products in the most timely manner with state
of the art manufacturing processes.

Media Contact:
Joe Roetering
Vice President and General Manager
Havtech
cell: 443 812-4037