Winter Light and Passive Design at the Sagamore Residence
Framing the Landscape
Winter evenings on Sagamore Lake bring a particular kind of light: low, warm, and fleeting. At the Sagamore Residence, that light becomes part of the architecture itself.
Captured mid-construction, the home is already revealing one of the defining characteristics of River Architects’ work: long, intentional sight lines that connect interior spaces to the surrounding landscape. Even unfinished, the structure frames the setting sun and draws the outdoors deep into the home.
Thoughtful window placement and carefully aligned openings allow views to extend through the house and out toward the lake, creating moments where architecture and landscape feel seamlessly connected.
A Lakeside Retreat Designed for Living
The three-level residence was positioned to maximize views while remaining sensitive to the surrounding waterbody.
At approximately 2,800 square feet, the home is designed as a comfortable weekend retreat. The main living level includes a generous kitchen and dining area overlooking the lake, while a screened porch extends the living room outdoors, an ideal place to relax while enjoying the changing light and seasonal views.
The primary suite and additional guest accommodations are located on the upper level, all oriented toward expansive water views. A flexible sitting room and office opens onto a private balcony, offering another quiet vantage point over the lake.
High-Performance Passive House Design
Beyond its relationship to the landscape, the Sagamore Residence is designed to achieve exceptional energy performance.
The home is Phius Design Certified, meaning it follows rigorous Passive House design principles that dramatically reduce energy demand while improving comfort and indoor air quality.
Key strategies include:
A super-insulated, airtight building envelope
High-performance windows and doors designed to capture views while minimizing heat loss
Balanced energy-recovery ventilation (ERV) for continuous fresh air
Efficient air-source heat pumps for heating and cooling
Together, these systems allow the home to use up to 70% less energy than a conventional house while maintaining stable indoor temperatures and excellent air quality.
Designing for a Low-Carbon Future
The Sagamore Residence also reflects River Architects’ broader commitment to climate-conscious design.
The home is designed to be EV-ready and PV-ready, allowing future integration of electric vehicle charging and rooftop solar. These strategies move the project closer to becoming a fully electric residence and reduce long-term carbon emissions.
As construction continues, moments like this winter sunset offer a preview of what the completed home will feel like: spaces shaped by light, landscape, and high-performance design working together.
More to come as the Sagamore Residence takes its final form.
Project Facts
Project: Sagamore Residence
Location: Sagamore Lake, New York
Size: 2,800 square feet
Certification: Phius Design Certified (May 2025)
Program: Four-bedroom lakeside weekend residence
Key Spaces: Kitchen and dining area overlooking the lake, screened porch, primary suite with water views, guest rooms, flexible sitting room/office with balcony
Energy Strategy:
Super-insulated airtight envelope
High-performance windows and doors
Air-source heat pumps
Energy-recovery ventilation (ERV)
Future Ready: EV-ready and PV-ready for all-electric living