Looking for new install ideas. Has anybody done out of the ordinary stuff lately

[Mr. Kym]

Hi All,
I must say this was a great place to practice for my 313D exam.  I recommend it to a lot of people.  Keep up the good work.   It was so good that I had a thought.  We all see some cool installs and I would like to hear what other people are seeing in the field.  It doesn't have to be special to be new.  We re-did a laundry mat with Rinnia Tankless Water Heaters and saved the customer big bucks in Natural Gas.  People don't care what things cost when you can save them that kind of money every month and it was a great feather in our cap.  Anybody doing anything ordinary, out of the ordinary or just plain interesting?