info@wisgeo.org
888-782-6815
Responsibly advancing the geothermal heating and cooling industry in Wisconsin
About Geothermal
How it works
Components
Closed Loop Systems
Open Loop Systems
Applications
Projects
FAQ
The Pros
Master Geothermal Installer
Find a Pro
How to choose a pro
Code of Ethics
Events
Annual Conference
Golf Outing
Geo Ride!
News
Newsletters
Geo Tech Bulletins
Links
Sponsors
About
Contact Us
Join
Shop
Geo Tech Bulletins
Click the links below to access the Geo Tech Bulletin PDFs.
How can something operate at 400% efficiency?
Properties of refrigerants
Illustration of Energy Cost Savings – Heating
Illustration of Energy Cost Savings – Cooling and Water Heating
Open Loop or Closed Loop?
GeoExchange and School Buildings
Do you have…Dirt?
Energy Pricing
Responsibly advancing the geothermal heating and cooling industry in Wisconsin