the city as a mine willem heeffer, Tag

Did you know that the average American family of four spends a whopping $2,000 per year on energy bills? Fortunately, there are many ways to save big on utility costs...

Willem Heeffer developed the Boiler Lamp collection, a series of lighting fixtures made from boilers taken out of discarded espresso machines. The line of upcycled lamps was created as the first feature in his new research...