Preventative maintenence inspection on 2019 Waterfurnace 5 Series geothermal system running in great condition. Current air filter is in good condition. Check again in 1-2 months. Inspected blower and compressor for anything unusual. Nothing of concern found. Test ran operation of electric heat strips. All strips are operating properly and within Amp draw specifications. Blower motor is operating properly. Electric strip heat temperature rise is within specs. Test ran system in geothermal heating mode stage 2. Temperature rise, ground loop pressure and temperature drop, and refrigerant temperatures are all within specifications. Did not check refrigerant as there are no issues suspected. System did not have any operational fault codes. Only hot water generation limit and system reset codes. These codes are normal and do not indicate any issues with the system. Waterfurnace is operating properly, efficiently and ready for Winter.