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Prentiss Balance Wickline Architects designs Stillwater Residence in Whitefish, Montana, USA

Project name:
Architecture firm:
Prentiss + Balance + Wickline Architects (pbwarchitects.com)
Whitefish, Montana, USA
Andrew Pogue (andrewpogue.com)
Principal architect:
Tom Lenchek (principal architect)
Design team:
Kelby Riegsecker (project architect)
Interior design:
Built area:
3,428 ft²
Site area:
Design year:
Completion year:
Civil engineer:
Structural engineer:
Harriott Valentine Engineers (harriottvalentine.com)
Environmental & MEP:
Allworth Design (allworthdesign.com)
Tools used:
Denman Construction (denmanconstruction.com)
Wood siding, concrete floors
Residential › House

Prentiss Balance Wickline Architects: Located on 35 acres outside of Whitefish, Montana, the Stillwater residence sits at the edge of a field along the Stillwater River. Meant as a second home for quiet retreats as well as larger gatherings, eventually the clients plan to move in permanently to take advantage of the scenery, outdoor activities, and remoteness of the rural site. They strongly desired a light touch, restoring the existing disturbances to the land where possible, and requested that we design with sustainable elements of all sorts, from low-tech passive solar strategies to cutting-edge climate control systems.

Placing the house was crucial: the clients desired views and access to the water, along with the breathtaking "Big Sky" view across the meadow to the mountains. Due to a slide failure on the property, a county road that had previously run through the site was moved away from the edge of the water, leaving an overgrown roadbed along the entire riverfront. The prior roadbed provided great access to the river's edge while taking advantage of this existing disturbance but required restoration to the topography. Excess fill from the necessary re-grading was gently mounded in the meadow to protect against noise from the new road and restore a more natural shape. The overarching design of the 35-acre landscape is one that works in tandem with the design of the house, seamlessly integrating it into the restored environment.

The main axis of the house is aligned to the length of the river, allowing for views as well as optimal solar orientation. Passive-solar design choices, including the thermal mass of the concrete floors, help moderate internal temperature; energy efficient windows, deep roof overhangs, and a superinsulated envelope all reduce energy use. Elevating interior climate control to a fine art, a sophisticated monitoring system includes numerous sensors, a weather station, and an open loop ground source heat pump, reducing the supplemental heating/cooling demand and maintaining near perfect humidity, temperature, and airflow.

Entry into the auto-court allows a glimpse of both the river and “Big Sky” views. The procession through the house presets alternating views of the water and mountains, with clerestory windows that pop above the volumes to capture additional sunlight. Exterior courtyard spaces are defined by shifting different functions of the house to each side of the main axis, providing protected outdoor spaces for living and dining.


At the core of Prentiss Balance Wickline Architects is the pursuit of balance: between natural and built environments, between a client’s vision and real world parameters, between beauty and utility. We offer a rich, broad practice, offering a highly personalized experience that our firm has come to be known for. We are proud of our expansive knowledge base and network which enables us to bring new insights and better solutions to our clients and the world of design.

By Naser Nader Ibrahim

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