Milwaukee County, Wisconsin, Geothermal Contractor Professional Geothermal Systems knows geothermal heating and cooling systems. And Milwaukee County, Wisconsin, residents know it! Which is why they turn to us for all their geothermal installation and service needs. These days, with fuel prices soaring and the economy in general so uncertain, geothermal has risen to the top as the "smarter" heating and cooling alternative. The fact is, geothermal has gone "mainstream." And if you’re just finding out about the whole geothermal idea, we can help guide you through any uncharted waters. We'll demonstrate how geothermal systems work. We'll walk you through step by step with planning your system. Then, we’ll install and service the top geothermal heating and cooling system in the industry today – from WaterFurnace. If you like, you can use our convenient Geothermal Savings Calculator to see what kind of savings a WaterFurnace system could give you. Contact Professional Geothermal Systems. – the smart choice to install and service the top heating and cooling system in Milwaukee County, Wisconsin.