While renewable energy holds appeal to homeowners and businesses, it can be daunting to understand how different systems work and what benefits they provide. Geothermal energy has been harnessed by humans for thousands of years, and the technology that utilizes geothermal today is ever-evolving. In this article we’ll take a look at geothermal heating and cooling: what it is, how it works and when it makes the most sense to choose geothermal as a primary HVAC system. Read more at THERMA >>