Preform maintenance on (2) Gas fired forced air furnaces: * Replaced and dated 16 x25x1 and 20x25x1 air filters at equipment * open furnace and blower cabinet doors * vacuumed and dusted out furnace cabinet and components * vacuumed and dusted out blower cabinet and components clean and clear * removed flame sensors- cleaned with copper bristle brush and polished with steel wool * inspected hot surface igniters- the second floor igniter is in good condition while first floor is showing much more ware * the customer Decided to move forward with replacement at this time * Remove the first floor, hot service igniter from the furnace and install a brand new one in its place * flushed and tested condensate tubing and drainage * blew out and vacuumed burner section and burner jets * secured and inspected electrical wiring and connections * tested thermostats / zoning panel and dampers- operational * call for heating: inducer motors are on, pressure and limits close, igniters glow up, gas va