Preformed first prepaid maintenance services on a Goodman split heat pump unit, model and serial numbers match in the system. Replaced the filter and checked pressures checked amp draws and checked wiring connections. Cleaned coils and cleaned drain line, added algecide treatment to drain pan for drain line prevention. Tested float switch and tested temperature split. Delta-t is 22 degrees and heat pump heat supply is 106 and climbing. Heat strips engage and disengage with a 2 degree temperature call over what it is inside. Heat strips are working properly. After completion of maintenance all systematic components are working properly at this time.