Performed 1 system heating maintenance. Airhandler voltage absorbsion system metering under acceptable limits and needs to be replaced. System needs surge protection to prevent damage to electrical components. Outdoor unit voltage absorbsion system also metering low on fan side and needs to be replaced. Replaced indoor and outdoor voltage absorbsion systems. Installed surge protector. Recovered 1 1/2 pounds of r410a. System was overcharged and shutting offon high pressure. If system needs to have refrigerant added because of recovery in spring there will be no charge.