Tested, Proven, and Ready To Go

Smart energy is here, and so are we.

The zero-carbon, hyper efficient, and affordably sustainable home is no longer a pipe dream. The technnologies have arrived, and we’re here to bring them to you.

Stephens and Company is proud to be Nantucket’s leader in HERS–the national Home Energy rating system. HERES standards are always evolving, but we keep ahead of the curve, combining our years of experience with advanced analytics and specialized software.

Beyond demonstrating compliance with codes and standards, the benefits of the HERS rating are profound.

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Taking a Deeper Dive

The world of high-performance building is dense with emerging materials, systems, and strategies–at times requiring more than a surface-level overview.

Context, comparison, application… that’s where our performance Resource Library enters the picture.

Inside, you’ll find original articles crafted to serve architects, builders, and planners–examining tthe principles and practicalities tha tdrive smart energy design.

Go beyond the basics

The Soundest Investment

Spend any time at all with us and you’re sure to hear us talk about long-term cost of ownership.

The surest way of reducing that long-term cost is by maximizing your home's energy efficiency. We call it “fiscal environmentalism.”

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Trusted Testing for Nantucket Builders

We provide trusted HERS ratings for Nantucket builders, delivering independent energy testing and certification that ensure compliance, improve efficiency, and add long-term value. From code documentation to incentive eligibility, our process makes it easy for teams to meet standards, future-proof projects, and give homeowners the confidence of a well-built, energy-smart home.

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Smart energy goes together with comfort, craftsmanship, and high design. Let us tell you more.