What was found
AT TAKEOFF, WITH ALL CABIN HEAT ON, SOME SMOKE IN CABIN WITH A CHEMICAL ODOR. TAKEOFF ABORTED WITHOUT INCIDENT. INSPECTED ACFT HEATER SYS, FOUND ENGINE WASH FLUID ODOR PRESENT. GROUND RUN ACFT WITHOUT HEATER, NO SMOKE OR ODOR NOTED. TURNED HEATER ON UNTIL ODOR HAD DISSIPATED, NO FURTHER DEFECTS NOTED, OPS CHECK FLIGHT REQUIRED.