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issue: May 2007 APPLIANCE European Edition

Europe Report
Sustainability in Home Appliances


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by Paul Roggema, Europe Correspondent

 

The buzzword these days is sustainability. A few years ago, this meant responsibility in a broader sense. Now, the focus is more on actual products. So which alternatives can the industry offer to the appliance industry’s well-known products? And are these actually large, revolutionary steps?

In white good appliances, there are several alternatives. Europeans switched to high-efficiency horizontal drum washers a long time ago—a revolutionary technology that left little room for improvement. The next big step might be to heat the water with gas instead of electricity. One should wonder why we even continue to use electric heating technology: During generation and transport, about half of the total energy gets lost. Only premium brand Miele offers European washers with dual water inlets. Sadly, customers stick with what they know and what current plumbing allows.

Martin Elektrotechnik is one German company that offers an automatic external water selector. It detects activation of the heating element and switches accordingly. However, at 285 euros, sales have been limited. The same unit can also be used for the dishwasher.

The clothes dryer is another story. These appliances use 3 to 4 kWh per run, and there are more efficient alternatives—the gas dryer and the heat pump dryer. Europe has a few gas dryer manufacturers, including UK-based Crosslee with their White Knight brand and Miele. Despite the advantages of efficiency and shorter drying time, they have not caught on in the larger marketplace. They only come as vented units, not as condenser units, and connecting the gas is just too much of a hurdle for many consumers, even when there is a click-on gas connector system available.

Heat pump dryers are relatively new. Electrolux started in 1997 with an almost hand-built model under their premium, environmentally oriented AEG brand. At a price point of 1,500 euros, even wealthy German consumers would not buy many of them. In 2005, the company started selling a redesigned model, called Öko-Lavatherm. It claimed energy savings up to 40 percent for around 700 euros, which is more in line with the cost of other premium models.

Other manufacturers of heat pump dryers include Blomberg, the German brand owned by Turkish market leader Arçelik, and Swiss Schulthessm. Of course, the feature-focused Japanese companies are able to top all this: Panasonic offers (only in Japan) a tilted-drum washer-dryer with a heat-pump drying system.

In cooling, there have been no large breakthroughs. Years ago, there was talk of vacuum insulated panels, but no models were produced. Instead, there have been a number of smaller-scale efficiency improvements and, today, the industry suggests that consumers simply buy new, extra-efficient models. AEG offers a typical case: a 300-L cooler/freezer in the A++ efficiency class now uses only 200 kWh per year, where a 10-year-old model used as much as 500 kWh.

And what about the heating industry? Remember that in chilly Europe, heating is the largest energy user. The advice here is almost the same as for white good appliances—just replace old equipment. There are still many non-condenser boilers on the market and a significant percentage of houses are insufficiently insulated.

German Vaillant is calling its efficiency initiative “Generation Efficiency.” But, like the home appliances market, progress is gradual. Current boilers are already highly efficient. Other technologies, such as solar panels, combined heat-and-power units and heat pumps, catch on more slowly. Still, there were 1.1 million renewable energy units sold in Europe in 2006 compared to 440,000 just 2 years earlier.

Some of the company’s smaller steps forward were seen at ISH. The small Vaillant ecoCOMPACT combiboiler now has a high-efficiency pump, which is said to reduce electricity use by 50 percent. Hot water output is higher for user comfort, and there are new modules for remote access for better preventive service.

The main obstacle for customers wanting a heat pump is the installation, as sometimes complex drilling is needed. Vaillant solved that issue by taking over a drilling company and offers all of the services for a fixed price, just like its competitor, BBT Thermotechnik.

Although not new, another interesting product under the BBT Junkers brand is the Aerastar ventilation unit with built-in heat exchanger, which can reportedly recycle up to 70 percent of heat from outgoing air. There are three models available; two of which have an additional heating function.

Across the board, it seems manufacturers continue their efforts toward sustainability. The question now seems to be whether or not consumers will take advantage of the technology.

 

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