If you work from home and live somewhere that's blessed by cold, long winters, you'd probably agree that keeping the home office warm during the day, when no one else is home, is both a challenge and a waste of energy, often requiring heating the entire house. Fed up, Berlin-based Davidson Rafailidis decided to amend the situation and built a smaller, insulated room inside a larger one, framed out with lumber, lined with plastic, and connected to a window, with a regular, hollow-core door for entry.
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