Resilient Zero Energy Ready SIP Family Home Grand Marais MN

Location: Grand Marais, MN

Project Information

Project Type: Residential, < 3,000 sq. ft.
Manufacturer: Energy Panel Structures
Builder: Taiga Design+Build
Design Professional: Taiga Design+Build
Year Built: 2021


High Performance: Yes
HERS/EUI Index Score: 30
ACH50 - Blower Test Results: 1.26
CO2 lbs./sq.ft./year:

Awards/Certifications: Building Excellence Awards

BEA: 2022 Homes Under 3K Sq. Ft. Classic Winner

Building use:
Private residence

How did SIP construction help you get this job?
Been a believer in SIPs since being introduced to them,  Pre-engineering is great. Ease of installation, air tightness, less sealing that conventional framing.
SIP wall thickness: combination of 6" Neopor R-28 and 8" Neopor R-38
SIP roof thickness: 10" Neopor R-49

The benefits of using SIPs on this project:
Saved times,  panels enabled this project to get closed in faster, less utility costs during build.
With this home being in northern MN , Energy efficiency as well as air tightness were attributing factors.
HERS Index: Estimated 30
Blower door test results: 1.05 ACH50

HVAC System:
Heating:  Dual fuel, in-floor, radiant heat.  Primary heat source for the hydronic fluid is an interruptible Slant Fin Monitron electric boiler (100% efficient). The secondary source is a Navien propane boiler (95% efficient) which also serves as a secondary source of domestic hot water.  EcoTech air exchanger provides outside air.

Additional energy-saving materials used in the building envelope:
Marvin Signature Windows and Doors, U-27.

Additional energy-efficient products or design features, such as lighting, hot water heating, appliances:
98% effecient on demand domestic water heater, radiant heat, all LED lighting, Energy Star rated appliances

Additional sustainable materials or design features:
End grain Wood floors (


Affiliated Members

BASF Corporation

Houston, TX
Energy Panel Structures, Inc.
Graettinger, IA


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