Preformed maintenance inspection on heat pump system. Checked indoor coil and found it to be clean. Preformed leak search on coil and didn't find any leaks at this time. Wiped down blower motor wheel per contract. Did notice some build-up on indoor cabinet. Checked blower motor amp draw and found it to meet manufacturer set points. Checked outdoor coil and found it to be clean with no signs of leaks at this time. Checked outdoor contractor and found some welding on it getting close to being pitted. Checked outdoor capacitor and found it to meet manufacturer set points. Checked compressor and outdoor fan motor amp draws and found them to meet manufacturer set points. Checked pressures with gauges and found them to meet manufacturer set points with current outdoor temperature. Gave customer pricing to install uv photos max to deal with the build up on the inner cabinet. Also gave her the option to install an uv advantage light instead of the photomax in the coil. She declined the es