Just completed a routine maintenance and tuneup on a Luxair natural gas furnace that we installed 10 years ago in the Wilmington Delaware area. After a good wipe down, everything is looking brand spanking new, all levels are pointing towards a very healthy unit! Thank you, Mary Ann for allowing us in your home and trusting us with your comfort! If you have any questions or concerns, please not hesitate to give us a shout, we are always just one phone call away. Thank you so much and enjoy your week.