The type of standardized hotel room you describe sounds like the small rooms that are made to sleep during the night and leave during the day. Not for "living" in a foreign city.
Homewood Suites is designed to accommodate longer term guests. I spent around 2 months in one years ago - full kitchen, separate living room and bedroom. Laundry onsite.
I believe Candlewood Suites is the same, but less "upscale."
Not that would be comfortable for an adult, but the newer Courtyard King Size rooms have single-person pull-outs that I think are a lot better than what they have at Residence Inn.
