Boston is investigating the use of sea- and river-source heat pumps for large buildings, a move that could turn the city's waterways into a renewable source of heating and cooling. The approach extracts thermal energy from water rather than burning fossil fuels, offering a potential path to lower emissions from the building sector.
Supporters describe the effort as a "thermal revolution," echoing the harbor's history as a site of disruption—though this time the target is climate pollution rather than tea. The proposal is still in early stages, with the city exploring feasibility and likely environmental and logistical considerations.
If the concept advances, Boston could join a small but growing list of cities using nearby bodies of water to decarbonize large buildings. The outcome may offer lessons for other coastal or riverfront communities.