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Energy & Environment

Adsorption Chillers Are Conquering More and More Areas of Application

The touch screen
The touch screen
Market leader InvenSor receives record quantity of orders / New industrial applications on the rise / Sales team is being expanded 2014-08-06 09:37:20
Berlin, August 6, 2014 – According to a new future study by BP Energy Outlook, global energy demand is set to increase by up to 41% by 2035. This is primarily due to rising demand in emerging nations like China and India. Chillers and air conditioners still make up a very large proportion of this total energy consumption; in Germany, for example, they account for around 15% of total end-use electricity consumption. For this reason, there have long been efforts by governments to promote the procurement of energy-saving chillers. Adsorption chillers are now making an increasing contribution to improving the energy efficiency of chillers and air conditioners. German companies like InvenSor GmbH, with offices in Berlin and Lutherstadt Wittenberg, are pushing this development. What’s unique about the multi-award-winning InvenSor chillers is that they are powered by waste heat rather than electricity. Additionally they also help the environment by using pure water as a refrigerant.

Thanks to its innovative products and increasing demand for efficient and environmentally friendly chillers and air conditioners, InvenSor has been continually expanding. The company reports that it has received more orders in the past six months alone than in the entire business year 2013. One reason for this success is that the chillers are conquering more and more areas of application: data centers, banks, schools, furniture stores, medical facilities, restaurants, and car dealerships, as well as communal buildings like government offices, are all kept cool with adsorption chillers. Another growing market segment are industrial applications such as food production, plastics processing, or electroplating. InvenSor, whose chillers have received several awards, recorded its highest recent growth rates in these areas.

A growing number of adsorption chillers is also powered by solar energy and being installed in warmer countries (for instance, in Italy and Spain).

Sören Paulußen, CEO of InvenSor GmbH, is satisfied with the company’s development. “We’re seeing clear signs that there’s growing demand on the market for thermally powered chillers. There’s increased awareness among planners and installation companies. We are able to offer more and more attractive application options. We’ve been able to implement a series of exciting new projects at home and abroad in the past few months, especially in the area of industrial applications and solar cooling.”

Against the backdrop of growing demand, InvenSor GmbH has been increasing its sales team since the start of the year. The team is now been led by a new head of sales since June 2014: Hendrik Pilz combines specialist knowledge from his training as a utility engineer with many years of experience in distribution, and brings with him expertise in logistics and company structuring. Co-founder and shareholder Uwe Eckstein is now focusing on marketing and the development of new areas of business.

There is a wide variety of applications for adsorption chillers in the 5–100 kW range. In Germany, most InvenSor chillers are used in trigeneration installations. These systems provide electricity, heating and cooling through a clever combination of combined heat & power units (CHP) and adsorption chillers. The CHP units produce electricity and waste heat that can either be used directly for heating applications or for the chiller. Thanks to significantly lower CO2 emissions than conventional air conditioners, these systems protect the climate and environment. “We are currently receiving a significant number of new orders from industrial companies, especially in the plastics processing industry where we are able to achieve very good annual operating hours of the chillers due to continuous operation of the processes, resulting in favorable payback time for the systems. It’s a very promising area of application for the future,” according to Niels Braunschweig, CEO and director of R&D at InvenSor.

InvenSor adsorption chillers are some of the most user-friendly and reliable chillers on the market. With their color touch display in multiple languages, it couldn’t be any easier to program target temperatures of chilled water and of water in the return flow of the driving circuit. The chillers even come prepared for use as a heat pump: this mode can be activated on the device. With the integrated hydraulic unit, professionals and planners can implement their individual solutions, including free cooling on cold days, without significantly increasing the entire system’s complexity and the associated risk of failure. With the easy-to-use commissioning mode, automatic optimization of operations, and the default Internet interface, InvenSor systems are plug-and-play devices that can be operated even without much prior knowledge.

InvenSor - Pioneer in User-Friendly Adsorption Cooling

Based in Wittenberg and Berlin, InvenSor GmbH is one of the world’s leading companies in the development and production of adsorption chillers in the power range from 5 kW to 100 kW. Chillers from InvenSor produce cold water using heat instead of electricity to drive the system. Typical heat sources include combined heat and power units, solar power systems, and industrial processes. The possible applications for cooling are diverse, ranging from data centers, offices, and stores to the cooling of industrial processes. The company’s engineers succeeded in making extremely effective use of zeolites in the adsorption units. Water serves as an environmentally-friendly refrigerant. The company, which received the Kältepreis (“cooling award”) from the German Federal Ministry for the Environment in 2009 and 2012 and the Intersolar Award in 2010, offers high-tech engineering “made in Germany.”

Press Information

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Enno Hennrichs

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