Today I performed a routine maintenance on both your heat pump split systems. I checked all electrical connections on both indoor and outdoor equipment, changed your air filters, flushed your drain lines, checked your capacitor ratings, and also went ahead and ran both systems and heat mode For the first time. We have a temporary filter in the upstairs unit. I will return sometime this week with the correct filter and batteries for the thermostat besides that both systems are operating properly at this time .