Preventative maintenence inspection on Waterfurnace 5 Series geothermal unit running in great condition. Current air filter is in good. UV bulb is operating properly. Visual inspection of blower and compressor compartments for any damage or loose wiring. None found. Test operation of electric heat strips. All are operating properly. Test run operation of geothermal heating aswell. Refrigerant pressures are within spec. Ground loop pressure is within spec. All parts and measurements are within spec. System is operating properly, efficiently and ready for Winter.