The bare minimum basic repairs to get the system running today. Customer has 8 y/o 3-zone Lennox heat pump system that operates for whole house. Customer has confusion regarding thermostat setting. Advised customer to set all thermostat in same settings or cut particular thermostats not being used off. Explained the operation of heat pump system. Found filter was very dirty. Replaced customer supplied 18x20x1 filter. Condenser coil cleaning performed. Replaced suction line insulation. During inspection, noticed that dual capacitor is bad. Pressure levels were fair. Bypass damper needed for zoning. Blower wheel cleaning needed. Water protection is poor. Breaker for heat pump is incorrect. Significant biological growth presence. Recommend UV BlueTube to target and prevent biological growth. Informed customer of all findings. System is currently working.