Geothermal Heat Pump Systems State of （地热热泵系统的状态）.pdf

Geothermal Heat Pump Systems GeoExchange Technology Curtis J. Klaassen, P.E. Iowa Energy Center Energy Resource Station Geothermal Heat Pump Technology Introduction What is Geothermal Energy? Geothermal Heat Pump System Types Geothermal System Features ● Pros and Cons ● Applications Economics and the Bottom Line Questions at Any Time…… 1 Energy in Buildings Buildings Use 39% of the Nation’s Primary Energy 21% Total Residential = 21% 28% Total Commercial = 18% Residential Commercial 18% Industry Transportation 33% Energy Efficiency – Building Blocks Step 1 – Reduce Energy Load ● Site Orientation and Building Arrangement ● Efficient and Effective Building Envelope Step 2 – Improve Efficiency of Systems and Equipment ● HVAC Systems – Geothermal Systems ● Efficient A/C units, Boilers, Motors, Light Fixtures ● Lighting Systems – Daylighting ● Computers and Office Equipment Step 3 – Effective Building Operations ● Proper Control – Energy Management Systems ● Commissioning ● Operations and Maintenance – Training and Support ● Leverage Utility Company Rate Schedules Step 4 – Alternative Energy Sources ● Renewable Energy Options – Solar, Wind, Biomass