As for what's most practical, I think it's the same thing because that principle actually applies in the south. It's what I would call passive and very few, or no, bells and whistles, such as solar and this and that. It's really the basics, with an energy-efficient building envelope, which is airtight and highly efficient, with high-level or good quality windows and doors. All of those are basic. Orientation towards the sun is also practical, as the sun is very cheap. It's inexpensive, so having windows facing the sun is important.
What does that mean? It means that the town and community planning has to allow from that. We've developed a house that could literally flip, so depending on where your sun comes from, you can actually flip the plan and it will be built to face the sun, because, as we all know, the sun is actually very effective. It's a good source of energy. We're not talking about solar panels; we're just talking about sun pouring into your house.
Those are actually short-term measures, yet for a long time have been the most cost-effective ways of ensuring an energy-efficient home, whether it's here or in the Arctic. In the Arctic it will require a little more. When we're talking about air tightness, in the south, there's a little bit of elbow room. If it's not perfectly air tight, you might not know. However, in the Arctic, if it's not perfectly air tight, ice will start building up in the walls and you'll start having issues, whereas here it's not so critical. Out there, it is critical.