An environmental gauge monitor indicates wind direction, wind speed, outside temperature, outside relative humidity, and the building’s energy usage, and advises on whether or not it is appropriate to open the windows. (Photo by Mignon O’Young)

An environmental gauge monitor indicates wind direction, wind speed, outside temperature, outside relative humidity, and the building’s energy usage, and advises on whether or not it is appropriate to open the windows. (Photo by Mignon O’Young)

An environmental gauge monitor indicates wind direction, wind speed, outside temperature, outside relative humidity, and the building’s energy usage, and advises on whether or not it is appropriate to open the windows. (Photo by Mignon O’Young)