Atmospheric CO2 removal technology

I came across an article recently about Climeworks, a Swiss company who is manufacturing machines to extract CO2 from the air.  The machines look somewhat like a jet engine (see below) and they saturate a filter with the CO2, then extract it from the filter by heating it.  One jet engine looking module extracts 150... Continue Reading →

Plant based ventilation systems

What do you think this is? If you said a CO2 generator for a green house, that's correct.  Plants thrive with added CO2.  What do they do with it?  According to climatecentral.org, "In a process called “photosynthesis,” plants use the energy in sunlight to convert CO2 and water to sugar and oxygen. The plants use the sugar for food—food that we use,... Continue Reading →

Living Green Walls – the presentation

Last week, I gave a presentation at PEDCO's High Performance Building Seminar on Living Green Walls.  I had a super fun time preparing the presentation.  The subject is fascinating and hopeful, somehow, I guess because plants are everywhere and it was surprising to realize how many wonderful things they do.  Also, viewing the pictures of... Continue Reading →

Application of a Heat Recovery Chiller

This is an expanded version of an earlier post. A heat recovery chiller is a traditional screw type chiller where the heat of condensing is absorbed by a heating water loop.  Typically, the temperature of the water produced by the heat recovery chiller is not high enough to do stand-alone heating, so it supplements the... Continue Reading →

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