John Siegenthaler Investigates: Low Ambient Air-to-Water Heat Pumps

Low Ambient Air-to-Water Heat Pumps: An emerging renewable heat source for North American hydronic systems.
Electrically powered heat pumps, in many varieties, are destined to play an increasingly important role in heating and cooling buildings around the world.

Heat pumps capture low grade heat from solar-resupplied sources such as outside air and soil several feet below the earth’s […]

GeoPro Product Training on HeatSpring

Learning about geothermal? Interested in GeoPro product training?
Join HeatSpring and GeoPro University in four new totally free lectures.

1. GP101: Introduction to GeoPro Products
The first step to a successful grouting project is choosing the right grout. Take this short course to get familiar with GeoPro’s full line of geothermal grouting products and thermal enhancement compounds. Learn the […]

Using Solar to Heat – Net Metering Makes a Difference

In the article below, Vaughan Woodruff, Expert Instructor, Solar Approaches to Radiant Heating, outlines a response to a student who recently asked a question regarding the use of solar electricity for heating and how advances in battery storage might impact the suitability of using solar electricity to provide heating.
“Even though grid-tied electric battery storage is less efficient, is it […]