That furnace was in Copenhagen. It was a very big furnace.
What we're finding from the research, from what we've done in Drake Landing, where we collect the solar and achieve 90% of the space heating requirements from solar, and from discussions with our technical folks is that there's a more optimal combination around capital costs for solar-thermal energy storage systems in combination with geothermal energy systems and solar photovoltaic to generate the electricity to run the geothermal systems, so our example has resulted in new thinking with respect to increased efficiencies and application of a group of technologies in one single framework.
What we found in Drake Landing was that the capital costs associated with it were in no way market competitive, but it was a demonstration, as we said before, and it would have to be on a much larger scale in order for it to make more economic sense. It would likely be in more of a multi-family style of housing complex than in a proliferation of single detached dwellings.
Our intent, and the desire from the forefront of the project champions, Natural Resources Canada, was to introduce this technology into typical residential housing forms to see the response and to see how the application would work.