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Market reports 52 REHVA Journal – October 2012 Environment project (Grenelle de l’environnement). The CO2 heat pump is able to reach a high pressure of 130 bars (most other heat pumps that can only reach 15 bars) providing comfort cooling. Switzerland: In 2011, thermea. Energiesysteme installed a high-temperature heat pump thermeco2 at the campus of the University of Applied Sciences South Westphalia. The heat pump uses low-temperature waste heat from the ventilation and refrigeration plant and supplies the university canteen with hot water and heating. With a total heating capacity of 45 kW, the thermeco2 heat pump reaches high performance values (COP) even with a temperature lift of about 65°C. The COP values of 3.0 and 3.5 measured by the manufacturer surpassed values predicted by thermea. Building regulations in EU Member States underpin trend towards sanitary hot water heat pumps The year 2011 saw a trend towards sanitary hot water heat pumps - an application most suitable for R744: ac- cording to latest statistics by the European Heat Pump Association sales of sanitary hot water heat pumps have close to doubled in 2011 compared to 2010 levels reach- ing about 48 000 units. This trend is underpinned by new building codes and regulations adopted in different EU Member States, reg- ulations that typically place a ceiling on primary en- ergy consumption of buildings or require the integra- tion of renewable energy. Sanitary hot water heat pumps provide a straightforward means to integrate renewable energy sources (RES) and reduce primary energy con- sumption in buildings. This is the case in France for example where the 2012 Thermal Regulation (Réglementation Thermique 2012 - RT2012) was launched at the end of 2010, replacing 2005 Thermal Regulations (RT2005). In general, all new building constructions must achieve average prima- ry energy consumption of less than 50 kWh/m2/year for heating, domestic hot water, cooling, lighting and auxil- iary equipment (e.g. fans and pumps) compared to the average of 150 kWh/m2/year required by RT2005. This trend is expected to continue in the long term as more and more national governments in the EU are expected to adopt building codes and regulations that encompass similar requirements and accommodate the requirements of the recast EU Energy Performance of Buildings Directive agreed back in 2010. For example the amendment of the Energy Saving Ordinance (“Energieeinsparverordnung - EnEV”) that regulates energy performance for new and existing buildings in Germany is underway and is expected to raise current requirements further. The Ordinance sets requirements regarding primary energy demand, taking into account both insulation of the building envelope and the energy efficiency of equipment used for heat- ing, sanitary hot water etc. The Joint Research Centre estimates that by 2020 heat- ing and cooling will represent the highest sectoral share in the gross final energy consumption, of 48% (http:// ec.europa.eu/dgs/jrc/downloads/jrc_reference_report_ 2011_reap.pdf). Within this context and as the EU moves towards low or zero energy buildings that en- compass minimal space heating requirements, sanitary hot water and energy efficient technologies for its provi- sion are set to become all the more important. Conclusion Growing environmental awareness coupled with more stringent European building codes and regulations have provided a strong boost to environmentally friendly heating and cooling solutions. Since the revival of CO2 as a refrigerant, started almost 20 years ago in Europe, there has been a strong development of new technology, with CO2 now widely recognised an attractive and com- petitive alternative refrigerant to the synthetic fluids in heat pump applications. Reference: [1] GUIDE 2012: Natural Refrigerants - Market Growth for Europe, shecco publications. Available also at http://guide.shecco.com/guide.php shecco is a marketing & communications expert helping companies worldwide bring their climate friendly solutions faster to market. We focus on the transport and HVAC&R sectors, where in the latter we developed special expertise on natural guide shecco publications refrigerants, including ammonia, CO2, hydrocarbons, water and air. shecco’s services range from world-leading industry platforms, to international workshops, market research and consultancy services, publications, international projects, and public affairs. Get in touch with us to learn how we can help you in gathering business intelligence, getting your climate technology faster to market and spread the message among decision makers. eMail us at research@shecco.com talk to us oN the phoNe (+32) 2 230 3700PDF Image | CO2 heat pumps in europe
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