Jay Egg

In the United States, there are three general types of electrical suppliers. They are: Investor-Owned Utilities (IOU) Municipally Owned Utilities (MUNI) Customer Owned Rural Cooperatives (Co-op) Investor-Owned Utilities include big names in Electrical & Natural Gas distribution such as Con Ed, Florida Power and Light, and Pacific Gas & Electric. These are investor-owned utilities. There Read more

Geothermal heating and cooling is a well-established technology; it’s been around in simplistic forms for more than half a century and has developed at an impressive rate to become a technology that is providing real solutions for decarbonization and grid management. In its years of growth and innovative development, geothermal has taken on many different Read more

This is the first in a multi-part series on the history of geothermal heating and cooling in the United States and beyond. It focuses on the efforts of two men: Dan Ellis and David Hatherton, the latter having trademarked the WaterFurnace name back in 1981 in Ontario, Canada. David Hatherton is the son of a Read more

I often think of a hydronic systems as a living and breathing thing, like a human body.  The hydronic system carries BTUs to the extremities of the building, like a body’s circulatory system, and the circulator pumps are the heart. We have been told that the heart is the strongest muscle in the body, using Read more