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Grohe quality and product testing

Featuring up to four spray patterns and available in a choice of three designs styles, Cosmopolitan, Contemporary and Rustic, New Tempesta showers combine an exciting choice of showering sensations with unbeatable value.

But don’t just take our word for it. In a product test initiated by GROHE and conducted by independent market research institute, The Consumer View, in cooperation with the University of Applied Sciences Nordhausen, test participants replaced their hand shower with a New Tempesta. After using the shower at home for two weeks, the consumers were asked to give feedback.

The results speak for themselves: 9 out of 10 consumers said that they preferred the New Tempesta to their current hand shower.

Grohe showers are invigorating

In an extensive scientific research the University of Wuppertal proved that GROHE showers have a measurable vitalising effect. The comprehensive study of the Institute for Physiological Psychology showed impressive results for several GROHE showers, such as Rainshower®, Relexa, Euphoria and Tempesta. The so-called “Objective Emotional Assessment” is a holistic approach linking measurable physical reactions with subjective statements of the test persons.

GROHE technology in lever mixers

GROHE patented technology is at the heart of our single lever mixers.

In a challenging mechanical endurance test for single lever mixers GROHE went up against nine products of other renowned international manufacturers. Areas tested included 1. actuation forces, 2. lever play, 3. precision of water adjustment and 4. water tightness. The result – GROHE Eurodisc was the clear test winner. This success can be attributed to the unique GROHE SilkMove® Technology. Benchmark standards that continue to define quality for the rest of the industry.

Tests conducted by TÜV SÜD Product Service GmbH, Germany, a globally acknowledged certifier and major international service group with decades of testing and certification experience.

The TÜV SÜD is an internationally acknowledged testing and inspection company, guaranteeing highest levels of objectivity and quality standards.

The long time comparison test of the mechanical performance of single lever mixer for wash basins is based on the two technical standards DIN EN 817: 10/1997 and NF 077: 07/2005.

The test dimensions were:

  1. actuation forces.
  2. lever play.
  3. precision.
  4. water tightness split into a total of 40 individual tests.


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