Using excess heat generated by data centers to warm homes isn’t a new idea. Earlier in our research we stumbled upon Qarnot, a french company proposing to decentralize the data center into meshed radiators to distribute computing resources across people’s homes (we’re guessing they took their name from Carnot’s Limit ;). They announced a partnership with the city of Paris to heat 350 low-income housings in 2013.

However, they are not the only rats in the race…