Performed maintenance on an Lennox XP25 heat pump. North side of the house. Cooling split is 21 degrees. Heating temperature split is 27. Condensate lines are clear at this time. Indoor coil is clean. Duct runs are sealed and free of obstruction. Customer provided merv 11 filter was changed today. Outdoor coils were chemically cleaned. Refrigerant pressures are ok at this time. Performed maintenance on a Lennox XP25, south side of the house. Systems cooling split is 20 degrees. Evaporator coils are clean at this time. Customer provided merv 11 filter was changed today. Condensate lines are clear. Duct runs are sealed and clear of obstruction. Blower housing is clean. Outdoor coils were chemically cleaned. Refrigerant pressures are in range.