As the effects of climate change become ever more alarming, sustainable home builders are taking major steps to lessen the impact of their work on the environment. According to a report by the United Nations Environment Programme and the Yale Center for Ecosystems and Architecture, the building and construction sector is the largest emitter of greenhouse gases. However, the following firmsall of which are members of the AD PRO Directoryreduce their carbon impact through the use of sustainable building practices and materials, reduction of waste, and implementation of energy-efficient systems. If youre building a new home or renovating your current residence, these AD-approved sustainable home builders can make the process easier for youand better for the environment.Scandic BuildersScandic Builders completed a shingle-style home in Harding, New Jersey, that incorporates Hydronic Radiant Flooring and a geothermal system.Courtesy of Scandic BuildersTraditional craftsmanship meets modern innovation in the work of New Jerseybased Scandic Builders. The environmentally conscious builder utilizes recycled and sustainable materials, renewable energy sources, and other green technology. Recent projects have utilized solar shingles, battery backups, geothermal heating and cooling systems, and the firm's patented Hydronic Radiant Flooring system. Scandic Builders emphasizes natural building, using long-lasting materials such as stone, cedar, slate, and copper to reduce its impact on the environment while incorporating the latest learnings on sustainability and conservation.J Kramer CorpThis duplex built by J Kramer Corp and architect Anders Lasaterbone structu is the first BONE Structure building in Orange County. Made with preformed steel, the structure demands utmost precision during the building process. The design of this beachside duplex, steps away from Divers Cove in Laguna Beach, received the AIA Peoples Choice award in 2020.Mellon StudioLaguna Beach custom-home builderJ Kramer Corpappreciates a challenge, whether it's building on a steep hillside site or constructing the first home with a BONE Structurea patented steel-construction technologyin Orange County. The latter, a prefab modern duplex, also boasts skylights and large windows to bring in natural light, as well as solar and battery power. Natural materials are a through-line in the firm's work, from a home built into a Laguna Beach site's natural sandstone to wood-clad cabins in Mammoth.OOR Design BuildIn a historic New York City town house, OOR Design Build renovated to honor the home's history while embracing modern innovations in sustainability and well-being, including solar panels, LED lighting, low VOC paints, and an advanced HVAC system.Gil HayonFor New York Citys OOR Design Build, sustainability is more than just selecting eco-friendly materials; its about designing intentionally and purposefully to create homes that support those who inhabit them. The company, which was founded by Leah Almog Arazi and specializes in high-end renovations, considers sustainability integral to its approach for every project. Reclaimed materials, state-of-the-art HVAC systems, LED lighting, low VOC paints, and solar panels are all incorporated into its modern designs.Z BuildersZ Builders Atelier 211 blends eco-luxury with cutting-edge technology, featuring a custom-designed, eco-smart saline swimming pool and advanced energy systems that seamlessly integrate with the natural environmenta testament to how technology can elevate sustainable living.Adrian GautMost PopularTravelThe 21 Most Beautiful Countries in the WorldBy Amelia MularzArchitecture + DesignBrandin Cooks: Inside the NFL Players Modern Pacific Northwest HomeBy Juliet IzonArchitecture + DesignAD100 ArchitectsBy The Editors of ADThanks to its partnership with architecture and interiors firm Studio Zung, Z Builders brings a unified vision to each home it designs and builds. Led by founder Tommy Zung and principal Kupal Fontaine, the New Yorkbased company considers sustainability a driving principle, and carries that ethos through all aspects of the construction process. It meticulously selects long-lasting, ethically sourced materials; works under eco-conscious conditions; and partners with environmentally conscious suppliers and artisans.Perez ConstructionPerez Construction collaborated with design firm Love & Interiors on a modern residence in San Franciscos Glen Park neighborhood.Vivian JohnsonFounded in 2017 by Everson Perez, San Franciscos Perez Construction has become a go-to partner for designers and architects in the Bay Area. From historic renovations to large-scale modern remodels, the family firm does it all and approaches its work with a strong commitment to sustainability. Perez Construction advocates for environmentally sustainable renovation practices and is a part of the Building Decarbonization Coalition, an organization committed to eliminating fossil fuels in buildings.Escobedo GroupUsing the DARIO Panelized System, the Escobedo Group designed and fabricated this residence in Austin, Texas, then installed it in five days on a site in rural Colorado.Aman JohnsonMost PopularTravelThe 21 Most Beautiful Countries in the WorldBy Amelia MularzArchitecture + DesignBrandin Cooks: Inside the NFL Players Modern Pacific Northwest HomeBy Juliet IzonArchitecture + DesignAD100 ArchitectsBy The Editors of ADTexas-based Escobedo Groups process emphasizes efficiency without sacrificing quality and craftsmanship. Its 60,000-square-foot facility outside Austin keeps stone, millwork, and metal fabrication all under one roof, and the firm cold-rolls its own light-gauge steel framingmade of 75% recycled material to reduce waste. The firm also created the DARIO panelized construction system, which allows homes to be installed in dayslimiting the impact on the landscapeand utilizes high-efficiency mechanical systems, bamboo floors and exterior decks, and pier and beam foundation that reduces the use of concrete.ClaytonThis modern living space comes from one of Claytons eBuilt home floor plans. Clayton's manufactured homes are built to meet the Department of Energy's rigorous Zero Energy Ready Home Manufactured Home National Program Requirements, and therefore deliver significant annual energy savings.Courtesy of ClaytonClayton makes it easy for homeowners to reduce their carbon footprint with its eBuilt collection of manufactured homes. The single-family home builder has worked to make its process more sustainable by reducing waste, recycling and reusing materials, and expanding its use of renewable energy. The eBuilt homes are constructed ready for renewable energy systems and include energy-efficient features like a Rheem hybrid water heater, argon gas low-E windows, LED lighting, and increased insulationall helping to reduce energy costs.NS BuildersIn the sunlit pantry of a home by NS Builders and Tiek Design Group, lush green cabinetry by Materia Millwork, warm wood countertops, and brass accents create a cozy, inviting space.Robert Benson PhotographyMost PopularTravelThe 21 Most Beautiful Countries in the WorldBy Amelia MularzArchitecture + DesignBrandin Cooks: Inside the NFL Players Modern Pacific Northwest HomeBy Juliet IzonArchitecture + DesignAD100 ArchitectsBy The Editors of ADLed by founder Nick Schiffer, NS Builders emphasizes sustainability in its new builds and renovations across Boston and Eastern Massachusetts. The construction company uses eco-friendly building techniques and materials in each project, and has built several projects to Passive House standards, including the firms first development project in Wellesley, Massachusetts. NS Builders is also sensitive to its impact on the existing landscape, as evidenced by the care it took when building a new home around a 100-year-old sweet gum tree.MatPel BuildersMatPel Builders has had a strong focus on sustainability since it was founded in 1986. The general contracting firmwhich builds primary and secondary homes in the San Francisco Bay area and Wyominghas decades of experience with sustainable materials, systems, and building practices, including assisting with LEED and Build It Green certifications. Recent projects have included features such as rammed earth walls, geothermal heat pumps, green roofs, and photovoltaic power, and the firm's work has received multiple awards from the AIA Committee on the Environment.JGB Custom HomesLed by founder Jake Badger, JGB Custom Homes has been crafting custom homes in the Austin area for almost 15 years. Whether it is remodeling a midcentury residence or building a new home, the company displays meticulous attention to detail and commitment to craftsmanship. In addition to offering consultations on sustainable building practices, JGB Custom Homes has experience building to the five-star rating standards set by Austin Energy Green Building.Mayfair ConstructionSince 1990, Southampton-based Mayfair Construction has been building high-end custom homes for discerning clients in the Hamptons, Connecticut, Westchester, and Long Islands North Shore. The family-owned boutique firm combines traditional craftsmanship with modern innovation and cutting-edge technology and is a member of the U.S. Green Building Council and the Institute of Classical Architecture & Art. Mayfair Construction regularly collaborates with top architecture and design firms, including AD100 studios Redd Kahoi and Ken Fulk Inc., and Oliver Cope Architects.