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 →

How heat recovery chillers work

A heat recovery chiller is a traditional screw type chiller where the heat of condensing is absorbed by a water loop, which is then used for heating.  Typically, the temp of the water produced by the heat recovery chiller is not high enough to do stand alone heating, and the higher the temp of water... Continue Reading →

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