Green Technology

A gut renovation of a single-family Victorian home met Passive House Plus performance levels by installing efficient equipment, achieving an impressive degree of envelope airtightness, and adding a solar PV array.

This Building was the first certified Passive House in New York City, it is a gut renovation of an 1899 brownstone. It won an International Passive House Design Award and included a third story addition and a new rear façade

This affordable housing gut renovation meets the Passive House standard to produce comfortable, healthy, and energy efficient homes for the tenants, many of whom have lived here for more than 20 years.

The combination of focused Passive House construction techniques and careful restoration of historical detail during this gut reconstruction project gave new life to an Upper West Side renaissance revival row house.

Passive House conversion of a 2 family, 3 story building to 4 family use. A complete interior renovation and reconfiguration that resulted in each unit feeling even more spacious than in its former 2 family use.

Brooklyn townhouse gut renovation with full rear horizontal and vertical addition, and application of Passive House principles. Innovative use of insulated CMU blocks to address lot line construction feasibility, performance and fire-rating requirements. Exploration in using basic, modest cost materials to create unique aesthetic characteristics while maximizing energy efficiency.

Two family townhouse gut renovation and addition, utilizing certified Passive House windows, solar orientation strategy, optimization of thermal performance for the new addition and mitigating thermal bridging.

The 4600 square foot townhouse was designed to showcase the vibrancy of NYC with modern design and décor, and yet maintain its organic connection with the neighborhood.

The Alloy Block houses two public schools: a new elementary school PS456, The Elizabeth Jennings School for Bold Explorers and a new home for the Khalil Gibran International Academy.

Aspiring to be the tallest passive house in the world, One Third Avenue is a mixed-use tower situated on the westernmost portion of the Alloy Block and will include market-rate and affordable housing, retail and commercial office space.

New York City's first all-electric and passive house skyscraper.  A mixed use tower with 440 market rate and affordable homes and retail spaces along Flatbush Avenue. The building is the first tower of phase 1 of The Alloy Block and was completed in Spring of 2024

Located along the beachfront in the Rockaways, Beach Green Dunes I (completed in 2019) and Beach Green II (completed in 2020) deliver 228 sustainable and resilient affordable units to a neighborhood with a high risk of flooding. The Building is oriented to allow for the majority of the units to have views to the Atlantic Ocean.

LaMora Senior Living is a 60 Unit MF Affordable Senior Housing. The building is 5 stories and features 57 1-bedroom and 3 2-bedroom apartments.

Knickerbocker Commons is New York State's first 100% affordable multi- family building to be built and certified to the Passive House standard. Ridgewood Bushwick Senior Citizens Council intends that Knickerbocker Commons will demonstrate to the affordable housing development community that ecologically conscious design can be achieved with no additional construction costs.

The House is part of Cornell Tech's new 2.1 million square foot technology campus on Roosevelt Island in New York City.

This rowhouse was gut-renovated to the Passive House EnerPHit standard and supplemented with a PV Solar Array to achieve near Net Zero energy capability.

 Condominium project at 951 Pacific Street between Grand and Washington Avenues. The R-951 Residence consists of three duplex loft apartments, each approximately 1500 square feet complete with its own balcony and/or garden, laundry and separate cellar storage space.

This building is a renovation and conversion of existing commercial building for retail use plus addition of duplex single family home above

It is currently the tallest Infill Passive House building in the world. The mixed use project has 55 residential apartments of which 17 are affordable as well as a commercial retail space on the ground floor.

The base of the building utilizes brick, tying it into the surrounding neighborhood. The top floors of the building break from the contextual base in form and material. The corrugated metal saw tooth roofline is a response to the environment, bringing in soft, northern light while providing roof area for a Photovoltaic array of solar panels. The top floor is connected to a roof garden filled with native plants. The result is a light-filled, dynamic space that is shaped by its relationship to daylight and connections to the exterior.

As a Passive House Institute Certified Building, Charlotte’s state-of-the art systems dramatically lower energy use and deliver the best air quality imaginable- each residence gets a change of freshly filtered and UV-sterilized air every hour.

The building is covered in 2 different types of porcelain panels (one with a light grey hue, and the other with a dark grey), which were both custom designed for the project. The building is covered in over 18,000 square feet of porcelain panels.

Developer Marshall Sohne created this new passive house multi-family / seven units building, which use a zero energy model, reducing energy consumption by up to 90%.The Columbia Waterfront condos were built using this model from the ground up. 

This 1910 rowhome, located in Brooklyn's Prospect Heights neighborhood, has been completely renovated and includes a new addition and excavated cellar. The house is fully retrofitted with the latest Passive House technologies and insulation standards. With skylights throughout, large bay windows, and sliding glass doors, this single family home is filled natural light. Expert design and craftsmanship has brought this century old property to state-of-the-art standards while paying respect to its original character