Pyramid Triple pane skylights brightens up kitchen of NH colonial high performance renovation

Nick and Jen embarked on a comprehensive renovation and update of a traditional Hanover, NH village colonial home to accommodate their growing family. The renovation they envisioned would focus on energy performance and comfort, air and environmental quality, and also lowering embodied carbon in their construction, without compromising on the classical aesthetics of their home. They brought on 475 High Performance Building Supply as building science consultant to partner with their existing design team (whose experience was more focused…


Improve your competences on #PassiveHouse construction sites – commissioning

If you are a Certified Passive House Designer/Consultant or Tradesperson looking for an additional qualification, this is for you! Improve your competencies on #PassiveHouse construction sites, including commissioning energy-efficient buildings and the certification process of Passive House / EnerPHit projects! Join PHI's upcoming Construction Verifier / Site Supervisor online course in June 2024! The early bird discount is valid until May 1, 2024! For registration and further information, click on…


Let’s play another round of

“Spot the ROCKWOOL” - Bay Area Rapid Transit (BART) Edition Today’s game brings us to South San Francisco and is brought to us by DES Architects and Engineers, DPR Construction and , of course, B.T. Mancini Co., Inc. Hint: Find the Terra Cotta Rainscreen panels Also, some special thanks goes to Pamela Jean Sadler CSI, CDT and Robbie Quintero from ROCKWOOL North America for making it all possible. By Todd…


Earth Day 2024 Festival

C+GA’s Director of Sustainability and New York Passive House (NYPH) Board Member Crystal Ng recently co-hosted a booth at the Earth Day 2024 Festival, alongside NYPH Co-Founder and Executive Director Andreas M. Benzing, and fellow NYPH Board Member George Kontaroudis, AIA, LEED AP, CPHD. They presented the sustainability features and Passive House design of several C+GA projects, including 4697 Third Ave, Melrose North, 819 Grand, and Three Arts. We are…


Passive Houses come with a string of benefits that separate them from traditionally constructed homes.

Why do so many of our clients choose to do Passive House? What even is a Passive House?   Passive Houses come with a string of benefits that separate them from traditionally constructed homes. They are well-sealed from air leakage, bugs, and dust, provide filtered, fresh air 24/7 and drastically reduced street noise, and require almost no heating, lowering energy bills and operational carbon emissions. Dive deeper into the what,…


Terracotta for Rainscreen

Excited to dive into exploring terracotta as a rainscreen for our overclad project. There are endless options for colors, textures, and profiles! 🌟 🌟 🌟 Made from clay and water, with a low carbon footprint and no harmful chemicals. Terracotta is strong, long-lasting, and eco-friendly! ♻️ 🌿


The Beacon receives NYSERDA Buildings of Excellence Award

  👂Have you heard??? Our pipeline project, The Beacon is a NYSERDA Round 4 Buildings of Excellence winner! This means not only 280+ affordable, climate future-proof homes in East Harlem, but a fully-renovated multi-service center focusing on health, wellness, and economic opportunity to boot! Read More


Congratulations to Daniel Piselli AIA, LEED, CPHD, who was named one of Crain’s New York Business’ 2024 Notable Leaders in Sustainability!

Crain's wrote of Dan's biggest professional win, "Piselli co-authored research studies showing that the energy efficiency made possible by passive house design standards applies to tall buildings and urban schools. This influenced the firm's work on projects including La Central, a $1 million New York State Research and Development Authority Buildings of Excellence winner." Learn More



Better Project & Better Practice Awards

  We’re proud to be recognized with a 2024 Better Project Award from the U.S. Department of Energy (DOE)’s Better Buildings Initiative! These annual awards highlight select partners for innovative and industry-leading accomplishments in implementing and promoting practices, principles, and procedures of energy management. We have been honored for Melrose North, whose sustainable Passive House design integrates a solar photovoltaic array, high-efficiency heating and domestic hot water heater, Energy Recovery…


Press Release – Energy retrofits work. Really well.

27th International Passive House Conference presents solutions for renovations & much more Darmstadt, Germany /Innsbruck, Austria. "It's the existing buildings that matter!" From the start of the 27th International Passive House Conference in Innsbruck, the Passive House The institute emphasized the importance of highly energy-efficient renovations for climate protection. Diana Ürge-Vorsatz from the IPCC also called for renovations and new builds to focus exclusively on high energy efficiency. The international…


It’s always exciting to see one of our favorite projects hit the market.

This Park Slope rowhome, situated on a bustling corner, has a two-car garage at the rear of the lot, and a courtyard connecting the main home and garage. Playing with the geometries of both structures’ facades allowed us to create a home filled with light, which still felt secluded from the street. Interior Design: Tamara Eaton Contractor: IA Construction Management, Inc. Staging: Hovey Design Photography: Peter Peirce Learn more about our…