Upon arrival homeowner wanted to have maintenance done on both units will looking at thermostat. Performed a two system maintenance checking heating. Checked all electrical, mechanical and safety components. Changed customer supplied filters, cleaned flame sensors and checked amp draws. Both systems are operating properly at this time. Upstairs thermostat will need to be replaced with a icomfort s-30. Emailed estimate over to replace the thermostat. Homeowner signed up for maintenance.