2025 PCSA Heating Check Up Prepaid Heating Maintenance Checked wire connections. Replaced filter (customer provided). Heat strips were operating normally. Several of the components for the electric heater package are looking rusty and may need replaced before the warranty expires. Thermostat was operating normally. Puron levels were within range. Defrost mode was operating normally. Everything else was clean and checked out well. System is operating normally at this time.