Certified GeoExchange Desiger Certification – The CGD – What is it? Who needs it? How to get it?
Certified GeoExchange Designer Certification is the most prestigious credential that exists within the geothermal heat pump industry because few people have it. It’s hard to get because you can’t sit for the exam without some combination of education and experience (these requirements are explained in detail below). It’s also really hard to understand the process […]