Germany Heat Pump Market Size By Product [Geothermal {Ground Source ((Closed Loop (Vertical, Horizontal), Open Loop)), Water Source (Water to Water, Water to Air)}, Air Source {Air to Air, Air to Water}, Sole to Water], By Application {Residential, Industrial, Commercial (Education, Healthcare, Retail, Logistics & Transportation, Offices, Hospitality)} Industry Analysis Report, Application Potential, Competitive Market Share & Forecast, 2018 - 2024