sherwin@eyeconz.com, Author at GREENMARK

Beyond Energy: How the GM:2021 Maintainability & Resilience Badge Drives Down Long-Term OPEX

sherwin@eyeconz.comJune 5, 2026July 29, 2026

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When building owners prepare for a BCA Green Mark (GM:2021) assessment, the initial spotlight almost always falls on chiller plant efficiency ($kW/RT$) and Energy Use...

Energy Efficiency Opinion

The Math Behind Super Low Energy (SLE): Integrating On-Site Solar PV with Deep Retrofits

sherwin@eyeconz.comJune 5, 2026August 10, 2026

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For REIT managers, property developers, and C-suite real estate executives in Singapore, achieving Super Low Energy (SLE) status is no longer just a marketing halo—it...

Maintainability & Resilience

The 3-Year Drift: Why Your Maintainability & Resilience Score Is At Risk During Recertification

sherwin@eyeconz.comMay 5, 2026September 12, 2026

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For many facility managers in Singapore, the successful attainment of a BCA Green Mark (GM:2021) award is a moment of celebration. However, three years later,...

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