I have been thinking of how to cut down on running to the rental. I was thinking that the smart locks could help. I need security too. This article provides some options.
Energy Efficiency Report for Heating
This report is really geared towards big buildings. But, could prove useful on saving energy for steam heating.
Building Classifications
I always wondered what these were. I found this. Will add it to the links section.
http://nycserv.nyc.gov/nycproperty/help/hlpbldgcode.html
The other side of Airbnb
This is the big concern with Airbnb to me.