Wishing you a safe festive season. We are closed from midday 24 December 2025 - 5 January 2026.
Construction R-values
These graphs use H1 settings from the 4th Edition of H1, pre-November 2021. They compare these settings to medium proposals for construction R-values in Thermal, financial and carbon review of NZBC energy efficiency clause H1/AS1 thermal envelope requirements for residential and small buildings.