ASHRAE Journal - July 2013 - 6

INDUSTRY NEWS

(Left) Markos Kalo explains how Swegon’s Tellus system supplies both HVAC and domestic hot water, independently or simultaneously. (Right) Alongside the entertainment areas of the large stands, the 190,000 visitors to ISH expect in-depth product
discussions from application engineers.

Energy, Water Efﬁciency ISH Focus
FRANKFURT—The German trade fair ISH has attracted suppliers Italian, Chinese, U.S., Turkish, Korean, Japanese or one of the
and buyers to Frankfurt for 50 years. The 2013 edition, held here many other countries from which exhibitors came, use of energy
March 12–16, debuted a new marketing push: The World Trade and water efﬁciently was the focus as suppliers differentiated
Fair for Energy and Water. It reﬂects the integrated approach that themselves by describing their market-ready solutions and the
is a staple of sustainable building design and operation.
engineering advancements on which they relied.
The numbers did not disappoint. ISH drew 2,434 exhibitors.
ISH is noteworthy for its mega-stands. There was no shortage
Exhibits spread over an area of 2.8 million ft2 (258 000 m2). Dur- of them in 2013. In a display surrounding picnic tables at which
ing the ﬁve days of the fair, about 190,000
beer and sausage were served, the Gervisitors, many from outside of Germany,
man pump specialist WILO SE displayed
took stock of the innovations of the world’s
a pump drive with a motor efﬁciency that
leading manufacturers displaying marketit says exceeds IE4, the most stringent
ready solutions.
class deﬁned today. What lies at the heart
A stand at the entrance to the hall in
of the Wilo-Stratos GIGA is EC motor
which controls companies exhibited told
technology. These motors are claimed to
much about the current state of the Gerhave almost no rotor-related losses. WILO
man economy. Representatives of a Gerachieves further loss reductions by making
man “head-hunting” ﬁrm busily handed
the Wilo-Stratos GIGA more compact. It
out brochures.
The exhibitor Vaillant provided velomo- can be as small as one-third of the size of a
“There is demand in Germany for quali- biles to transport visitors around the 11 conventional asynchronous motor with the
ﬁed workers,” said Stefan Jonen. “Ger- halls of Messe Frankfurt.
same rated motor power. By reducing the
man companies are growing because of
motor size, it is possible to achieve higher
exports, and the economy is competitive. Hiring the best workers speeds without negatively impacting component service lives. As
gives companies an edge in the marketplace.” Two young men the size shrinks, so do the material resistances. A further beneﬁt
took a brochure and walked away. “If they have good technical of EC motor technology is that speed can be adjusted precisely
training, they have a good future,” said Jonen. “But if not, they to hydraulic components.
will have little chance.”
Compared to the WILO IL-E series, Wilo-Stratos GIGA uses
Once inside the controls hall and the 10 other halls of ISH, the about 31% less energy per year, and the company says 70% less
economic might of Europe’s largest economy was readily appar- than comparable uncontrolled pumps. With 6,000 operating
ent. Italian companies were in full force, some trying to capital- hours per year and an energy price of 0.22 EUR per kWh, the
ize on the strong German export market by supplying German investment (compared to IL-E series models) begins to pay for
OEMs with components, others reaching out to end users in one itself after one year.
of the few European countries in which new construction and
German fan manufacturer Ziehl-Abegg presented its energy
major renovation are not distant memories. But whether German, efﬁciency solution—a new generation of fan systems. “With
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