The New Canaan Library replaces a similar-sized building but increased the useable space by 30% while using less energy. It is all electric, with an Energy Use Intensity (EUI) of 17, which is 89% lower than the baseline. A photovoltaic array provides up to 50% of its power. Green space was increased by 25%.

Our approach included a blend of glass and stone with substantial insulation through thermally broken clips, phenolic panel insulation, and insulated spandrel panels. Low E window coatings and a custom frit pattern control heat gain and loss. Efficient VRF systems and dedicated outdoor air systems with energy recovery provide heating, cooling, and fresh air circulation. The building was constructed by commissioning fine-tuned system operations for optimal performance.
Bifacial rooftop panels cover half of the library’s annual energy needs, with potential for future solar installations to meet its entire energy demand. The library exclusively purchases renewable energy from its utility provider.

The landscape uses native plant species and creates diverse habitats to support pollinators, birds, and wildlife. These include a pollinator pathway, rain gardens, a native cedar grove, and a locust shade garden. Additionally, glazing and lighting are designed to minimize impacts on birds. Landscaping design facilitates rainwater absorption and natural infiltration, reducing runoff as it replenishes groundwater. A green roof combats urban heat island effects, absorbs runoff, and reduces energy consumption during the cooling season. Inside, low-flow plumbing fixtures further conserve water.

Stone walls, chosen for their durability and thermal insulation, are constructed as thin veneers to reduce transportation emissions while maintaining structural integrity. Local materials celebrate the beauty of local stone and sustainably sourced wood, including FSC-controlled North American veneers.

The design substitutes 30% of the cement with ground glass pozzolan sourced from Connecticut’s recycling stream. This substitution achieved a one-to-one reduction in carbon emissions, resulting in a 30% decrease compared to the baseline, marking substantial savings in the building’s concrete carbon footprint.
The design uses recycled materials throughout the building, including structural steel and milk jugs for chairs in the children’s library.

The library employs natural materials such as low VOC finishes and wood furniture. The VRF system and high-efficiency, low emissivity glass ensures optimal thermal comfort throughout the library. Acoustic planning ensures that spaces cater to varying levels of interaction, while strategic daylight optimization enhances natural light. Thoughtful landscape design creates a tranquil oasis, while the use of formaldehyde-free composite wood products improves indoor air quality.

Category:Green ArchitectureYear:2025Location: New Canaan, Connecticut, USAArchitects:Centerbrook Architects and PlannersDesign Team:Aaron Emma, Anna Shakun, Eric Lubeck, Jiaying Bai; Jim Childress, Katie Watts; Ken Cleveland, Mark Herter, Misha Semënov-Leiva, Centerbrook Architects and Planners, Centerbrook, Connecticut, United StatesClient:Turner Construction Company, Shelton, Connecticut, United StatesPhotographers:Jeff Goldberg/Esto