Entropy Energy Network
For Mansfield residents

A good neighbor first.

If a project is going to operate in our town, it should be quiet, safe, and clearly good for the community. Here's a straight answer to the questions neighbors actually ask — and how to raise the ones you don't see here.

The short version

What it is, and what it isn't.

What it is

A small, sealed computing system that produces heat, paired with plumbing that delivers that heat to a nearby public building. It is being organized as a community-benefit entity — a 501(c)(4) social welfare organization — so its purpose is to serve Mansfield.

What it isn't

It is not a sprawling industrial site, not a smokestack, and not a private operation hidden from public view. There's no combustion on the heating side and no large outdoor cooling equipment.

Living next to it

The everyday questions, answered plainly.

Is it noisy?

The computing equipment is immersion-cooled and sealed, which removes the loud fans and cooling towers people picture when they hear “industrial computing.” The audible footprint is closer to a building's mechanical room.

Is it safe?

The heat side uses conventional hydronic plumbing installed to Massachusetts building, fire, electrical, and plumbing codes, and is reviewed by the town's own inspectors before it can operate.

Will it raise my taxes?

The goal is the opposite: by lowering what public buildings spend on heating fuel, the project aims to ease pressure on the budgets that property taxes support.

Is it clean?

There's no fuel burned to make the heat. Recovering and reusing energy that would otherwise be wasted means less natural gas or oil burned to warm the same rooms.

Will it strain the grid?

It's built to do the reverse. The load can power down within seconds when the regional grid is stressed, giving capacity back at the moments it's needed most.

Who's accountable?

The project is organizing as a Massachusetts 501(c)(4) with a community-benefit mission, and any agreement with the town goes through public boards and the same procurement rules as other municipal contracts.

This is led by a neighbor. The project is being developed by Jim Carlson, a Mansfield resident, with the explicit goal of keeping the benefits — and the accountability — local.

Have a concern we haven't addressed?

That's exactly what we want to hear. Ask a question, request a neighborhood briefing, or come find the project at a public meeting.