Heat Pump Not Running Efficiently

I have a 48k unit outside, 5 heads in the house2 – 12k1 – 9k2 – 6kI leave only two 12k units on in heating mode on auto fan while… I have a 48k unit outside, 5 heads in the house2 – 12k1 – 9k2 – 6kI leave only two 12k units on in heating mode on auto fan while…Read MoreGreenBuildingAdvisor