Service call for no heat on Trane furnace. Found a dirty flame sensor, cleaned and unit is running. Recommended a turn up due to dirty unit. HVAC service, repairs, installs, and more in Palatine, Wheeling, Rolling Meadows, Northbrook, Glenview, Barrington, Itasca, Schaumburg, Arlington Heights, Elk Grove Village, Des Plaines, Roselle, Hoffman Estates, Buffalo Grove, Long Grove, Prospect Heights, and more