ZeroEnergy Design

ZeroEnergy Design ZeroEnergy Design is a leading sustainable architecture firm based in Boston, specializing in high-performance, net-zero energy buildings.

ARCHITECTURE: Green architect specializing in high performance homes and buildings. CONSULTING: Energy consulting and mechanical design for homes and buildings, including Passive House consulting.

Last week ZED hosted our Bottom Lines regional peer group on our home turf in Boston! We kicked things off in with a d...
05/20/2026

Last week ZED hosted our Bottom Lines regional peer group on our home turf in Boston! We kicked things off in with a dual site visit to two nearby projects - one complete, one under construction. Check 'em out!

What's Bottom Lines you say? Created by , Bottom Lines is a program for NESEA members to advance their like-minded businesses that utilize a triple bottom line - People, Planet, and Profit - approach. The two-day program is organized around a peer group model for learning and sharing with other like-minded business people pursuing sustainability in the built environment. We get a ton of value from being part of Bottom Lines and highly recommend it - feel free to reach out if you're curious to learn more! Our partners below:







BPC Green Builders


Step into a well-designed, energy-efficient home and the difference is palpable. The temperature is consistent from room...
04/30/2026

Step into a well-designed, energy-efficient home and the difference is palpable. The temperature is consistent from room to room, the air is fresh without a window cracked, and the outside noise fades away. Architect Noah Fitch has spent his career designing energy-efficient homes that perform at the highest level and knows what matters most. Check out Noah's guide to creating one of these homes - and what anyone designing one should understand before they start.

https://www.zeroenergy.com/blog/how-to-build-an-energy-efficient-home

Seen here is one of Noah's recently completed projects, a Passive House Certified custom home project in Stow, MA built by Star Contracting Company, Inc. Noah can be seen enjoying a stroll (and a climb) through the house!

Glass, wood, air, and lightA house shaped with its climateLiving gently here.Earth Day, every day! StowMA
04/22/2026

Glass, wood, air, and light
A house shaped with its climate
Living gently here.

Earth Day, every day!

StowMA

What is a Passive House, Really? 
From the outside, it looks like a house. A well-designed one. Quietly modern, nothing ...
04/10/2026

What is a Passive House, Really? 
From the outside, it looks like a house. A well-designed one. Quietly modern, nothing performative. The difference is what you don’t see, but will definitely feel.

Heating is the largest form of energy consumption in a typical New England home. A superinsulated, airtight building enclosure - the walls, windows, doors, foundation, and roof - can be used as a passive strategy to reduce the heating energy required. In other words, the ‘passive’ in Passive House means the design does the work.

A Passive House prioritizes:

🏡 Insulation → a continuous thermal ‘jacket’ to slow heat loss
🚪 Airtightness → no uncomfortable drafts or energy waste and improved durability
🌬️ Fresh air ventilation → consistent, healthy indoor environment for your family
🪟 High performance windows → triple pane windows allow for warmer indoor temperatures and provide extra noise reduction
🧭 Design + orientation → siting to optimize solar heat gain

The result is a home that requires a fraction of the heating and cooling energy, along with incredible thermal comfort, healthy indoor air, and a peaceful interior environment. It’s a smarter way to build, especially in cold climates.

If you’re thinking about building or renovating, these decisions matter most before the walls go up. Link in bio for more about Passive House benefits.

Light belongs everywhere - even below grade. Thoughtfully placed windows and window wells transform basements from dark ...
03/10/2026

Light belongs everywhere - even below grade. Thoughtfully placed windows and window wells transform basements from dark storage to bright, livable space. As architects, we study sun angles, grade, and interior layout so daylight reaches deeper than you’d expect. The result: healthier, more comfortable rooms that feel connected to the outdoors.

Dynamic space is not about size, it’s about section. Ceiling heights often vary throughout a home, creating different ex...
01/22/2026

Dynamic space is not about size, it’s about section. Ceiling heights often vary throughout a home, creating different experiences as you move and offering suggestions about how spaces could be used. Taller volumes feel more expansive and social, while lower ones feel calm and protected. These subtle shifts separate rooms without walls, allowing spaces to flow together while still feeling distinct.

Some things to consider when designing a home with varying ceiling heights: well-designed heating and cooling systems to avoid air stratification, a smart shading strategy to limit unwanted glare, soft finishes and materials to reduce echo, and integrated lighting to create smooth transitions between spaces.

As we close the chapter on 2025, we want to extend our heartfelt gratitude to our incredible clients, partners, and frie...
01/09/2026

As we close the chapter on 2025, we want to extend our heartfelt gratitude to our incredible clients, partners, and friends. Your dedication to creating a more sustainable world inspires us every day. Here’s to new adventures together in the year ahead! ✨ 🌍

House

Congratulations to Noah Fitch, who received two awards this weekend from - an Honor award for design excellence, and an...
12/09/2025

Congratulations to Noah Fitch, who received two awards this weekend from - an Honor award for design excellence, and an Emerging Professional award - both in recognition of the Stow Passive House! This project benefited from great clients and a stellar team. Some compliments from the jury:

‘The jury was really impressed by this project’s rigorous commitment to passive house principles, paired with an exceptional level of architectural craft. It has super-insulated assemblies, airtight construction and solar optimization, which are seamlessly integrated into the elegant residential composition. It succeeds in proving that high performance buildings do not compromise on spatial richness, refined detailing or formal clarity. For an emerging professional, the achievement is especially notable, demonstrating technical mastery and design maturity in equal measures.’ Incredible job Noah! 🙌

Architecture & Mechanical Design: ZeroEnergy Design
Builder: Star Contracting Company, Inc.
Structural Engineer: Siegel Structural Engineers
Landscape Architect: Caroline Braga Landscape Architecture

We’re honored that Providence Net Zero has been awarded a Gold Medal for Best Single Family Detached Home (6,000–8,000 S...
10/30/2025

We’re honored that Providence Net Zero has been awarded a Gold Medal for Best Single Family Detached Home (6,000–8,000 SF) at the 2025 PRISM Awards!

Thank you to the incredible team that collaborated on this project and to for this recognition!

Architecture and Mechanical Design:
Construction:
Interior Design:
Landscape Architecture:
Photography by

This Providence home blends classic New England charm with modern, sustainable innovations. Sun-filled spaces invite reading, writing, and gathering, while thoughtful glazing connects the interiors to the lush, landscaped yard. The design fosters a unique “urban family compound,” linking nearby relatives through adjoining gardens and shared outdoor spaces. Wrapped in renewable cork insulation and powered by solar energy, the home achieves carbon-neutral comfort without fossil fuels. A green roof, spa, and beautifully designed patios complete this urban oasis balancing warmth, efficiency, and a deep connection to nature.

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156 Milk Street, Suite 3
Boston, MA
02109

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