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Stillwater House
N
Built by
North Forty
Year Two · In Residence

Stillwater House

43.5128° N · 84.0721° W PHIUS+ Certified 2,840 sq ft Move-in: Apr 2024
Net Energy
+142%
Top 2% nationally · last 30 days
Indoor Air
412 ppm
CO₂ · well below 800
Cistern
68%
2,720 / 4,000 gal · last fill 11d ago
Systems

17 systems, documented.

View all systems →
Mechanical · Ventilation
Energy Recovery Ventilator
MakeZehnder Q450
FilterF7 / G4
Warranty8y left
Electrical · Solar
Photovoltaic Array
Capacity14.4 kW
InverterEnphase IQ8+
Warranty23y left
Mechanical · HVAC
Air-Source Heat Pump
MakeMitsubishi Hyper-Heat
Capacity36k BTU
Warranty10y left
Plumbing · Water
Rainwater Cistern
Capacity4,000 gal
FilterUV + 5μm
Warranty4y left
Envelope · Windows
Triple-Pane Tilt-Turn
MakeSchüco AWS 90
U-value0.14
Warranty18y left
Plumbing · Hot Water
Heat Pump Water Heater
MakeSanden SANCO₂
Capacity83 gal
Warranty13y left
Build Memory

312 photos. Every framing decision, kept.

Open the timeline →
Aug 2023 · Framing
Oct 2023 · Envelope
Feb 2024 · Finish
312 photos · 14 milestones · September 2022 → April 2024 SHARED BY NORTH FORTY
Maintenance

12 tasks, scheduled, calm.

View calendar →
May
02
Replace ERV filters
Zehnder Q450 · F7 + G4 · ~15 min
Mark done
May
14
Inspect cistern UV bulb
Annual · replace if > 9000 hr
Schedule
Jun
21
Solar panel rinse
Semi-annual · post-pollen, pre-summer
Schedule
Sep
05
Heat pump pre-season check
Mitsubishi · refrigerant + coils
Schedule
The team who built this house
Every person you'd want to call — one tap away.
N
North Forty Builds
General Contractor · Primary
Contact
JM
Jonas Mehler
Architect · Mehler Studio
Contact
KR
Kara Reyes
Mechanical · ERV + heat pump
Contact
DB
Dale Brennan
Solar · Enphase certified
Contact
SP
Sam Patel
Landscape · native + cistern
Contact
See all 9 contributors →
Documents, where you'd expect.
26 files. Every one organized, searchable, kept.
PDF
Stillwater — Owner's Manual
Master document · 184 pages
PDF
PHIUS+ Certification Report
Energy · April 2024
DWG
As-built drawings (full set)
Architecture · 38 sheets
PDF
Window package — Schüco AWS 90
Warranty + spec · 12 pages
PDF
Cistern commissioning report
Plumbing · March 2024
Browse all 26 documents →
A Demo · Not Your Home (Yet)

Every home you build, kept like this.

This is what your clients see — branded as your studio, organized around your craft, present for the next 30 years.