<font face="Theinhardt, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen-Sans, Ubuntu, Cantarell, Helvetica Neue, sans-serif">“Sustainability is often used as a big banner. On this traditional house, we wanted the aesthetic to be subtle but the performance to be loud,” explains architect Christine Lara Hoff. The team </font>incorporated<font face="Theinhardt, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen-Sans, Ubuntu, Cantarell, Helvetica Neue, sans-serif"> heated concrete floors and</font><span style="font-family: Theinhardt, -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen-Sans, Ubuntu, Cantarell, &quot;Helvetica Neue&quot;, sans-serif;"> other new features, such as the steel stairs. </span>  Photo 2 of 15 in A 19th-Century Farmhouse in Eastern Germany Gets New Tricks With an Ecologically Minded Update

A 19th-Century Farmhouse in Eastern Germany Gets New Tricks With an Ecologically Minded Update

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"Sustainability is often used as a big banner. On this traditional house, we wanted the aesthetic to be subtle but the performance to be loud," explains architect Christine Lara Hoff. The team incorporated heated concrete floors and other new features, such as the steel stairs.