The Lonely Planet´s newsletter dated 2015-09-08 “The road less pedalled + 3 for 2 across” and there: “The road less pedalled: cycling in the USA” / “Where to stay” is giving such info:
“Online cycling community, Warm Showers (warmshowers.org), offers opportunities to couch-surf with local cyclists, which is a great way to save money and meet like-minded people.”