Tune up and preventative maintenance on Goodman 100k btu furnace. Replaced 1" Merv 7 filter and removed a buzzing transformer from the furnace electrical junction box. HVAC service, repair, Installs, and more in Palatine, Wheeling, Rolling Meadows, Northbrook, Glenview, Barrington, Itasca, Schaumburg, Arlington Heights, Elk Grove Village, Des Plaines, Wood Dale, Roselle, Hoffman Estates, Buffalo Grove, Long Grove, Prospect Heights, Addison, Lincolnshire, Inverness, Deer Park, Killdeer and more