Manufacturer Carrier Model # 25HCB53A0300 Serial # 4109E10747 Installed new whole house air scrubber, and cleaned out the interior of the whole unit, then I completed a preventative maintenance on carrier heat pump. Changed the 16x20x1 filter. The temperature split was 20 degrees. Also, cleaned out the drain lines. After that I performed a amperage readings on the compressor 5.4 amps and the condenser fan motor was at 0.5 amps system is operating properly at this time.