Electric & Lighting

Super systems, amazing people

We’re in the depths of the longest, coldest, snowiest winter southeast Minnesotans have seen for years. The photo below was taken on February 5. A few things have changed on the exterior of the house since then, but the view was much the same yesterday—white sky, blustery wind, and several more inches of soft, mounded white everywhere. […]

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A roof that will last

Our roof is going on slowly and we’re anxiously waiting to see it finished. Insulation went in last Thursday and though it’s covered, it’s not safe from moisture until the steel roof’s in place. When heavy, ominous looking clouds rolled in late Monday, I felt the urgency in a major way. Winter is nipping at our […]

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Learning About Lighting & LEDs

The sun is showing itself in all its glory this week, with temperatures in the 90s and humidity that’s wrapping us in a blanket of heavy warmth. At the same time nightfall is coming earlier, hinting at cooler, darker days ahead and nudging us to learn about lighting.

Our current assortment of lights is a haphazard […]

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Location

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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