• 253-858-7472

Johnson Residence

Built By: Hartman Homes

Panels Manufactured By: Extreme Panel Technologies, Inc.

Submitted By: Panelworks Plus, Inc.


  • HERS index 38
  • 8-inch SIPs used for basement, main floor and second floor walls
  • Energy Star 5 star plus
  • SIP wall with floor trusses set in top mount hangers
  • Ground source heat pump: 3.1 COP heating and 16.2 EER cooling

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