John Gaddo & Nancy North
John Gaddo & Nancy North

Lanesboro, MN. — We love people, the outdoors and creative projects. When building looked like the best option we chose the Passive House method and the adventure began. John is a public media manager and producer and Nancy develops communications for community and clean water action through her business, NewGround, Inc.

Christi Weber
Christi Weber
TDS Custom Construction*

Madison, Wisc. — As architect and Certified Passive House Consultant for this project, Christi provided technical and creative leadership and worked hard to develop plans to fit our needs and budget. She creatively, passionately walks the talk and has been a listener, a doer and a tenacious partner. (*During this project, Christi worked with Design Coalition Architects.)


Vilen Construction, Inc.

Zumbro Falls, Minn. — Jeff Vilen has deep experience and a passion for learning and implementing sustainable building techniques. He contributed throughout design of our home and brings a thoughtful, problem-solving approach to the project. For our project, primary team members are Troy Clement and JR Yenne.

Lou Host-Jablonski
Design Coalition Architects

Madison, Wisc. — Lou has designed energy-efficient buildings since 1977. As a community leader and passionate advocate for affordable, sustainable construction, his own home build became a lab for students and continues to be a living experiment. Lou’s encyclopedic knowledge and experience are important to our project.

Advisor Sonya Newenhouse NewenHouse, Inc.
Sonya Newenhouse
NewenHouse, Inc.

Viroqua, Wisc. — Sonya’s home, first in a series of NewenHouse Kit Homes, is small, super-insulated, sustainable and elegant in its simplicity. Seeing Sonya’s home in progress inspired us to persevere! Sonya owns Community Car LLC in Madison, Wisc. and is founder of Madison Environmental Group.

Joe Deden & Mary Bell
Eagle Bluff Environmental
Learning Center

Lanesboro, Minn. — Joe and Mary are anchors at Eagle Bluff, educators and passionate advocates for sustainable local living. Their “airy” 1970s A-frame home was retrofitted in 2011 to a blower door test rating (for air tightness) of 0.45 ACH—a 92% improvement! We learned about Passive House at an Eagle Bluff event.


Lanesboro, Minnesota
Climate Zone 6 (cold/moist)
Latitude: 43° 44' 18'' N
Longitude: 91° 54' 48'' W

House Size

Net Treated Floor Area: 1,514 SF
Gross Square Footage (House only): 2,210 SF

Building Envelope

Roof: R-99
Wall: R-61
Ground: R-53

Windows & Doors

Glazing: U-0.10 BTU / hour / sq. ft.
Solar Heat Gain Coefficient (SHGC): 0.48”
Frame: U-0.19 BTU / hour / sq. ft.

Modeled Performance

Specific Primary Energy Demand (Source Energy Demand): 12.1 kBTU / sq. ft. / year

Specific Space Heat Demand: 7.0 kBTU/sq. ft. / year

Peak Heating Load: 7,047 BTU / hour

Space Cooling Demand: 0.44 kBTU / sq. ft. / year

Peak Cooling Load: 3,625 BTU / hour

Pressure Test Goal: Whole House Air Changes Per Hour (ACH) = 0.4 ACH 50


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