sherwin@eyeconz.com, Author at GREENMARK

Why Un-Monitored Systems Fail In-Operation Audits (BCA-Compliant Sub-Metering Standards)

sherwin@eyeconz.comJuly 5, 2026August 5, 2026

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Why Un-Monitored Systems Fail In-Operation Audits (BCA-Compliant Sub-Metering Standards) The era of passing a Singapore Building and Construction Authority (BCA) energy audit using a one-off...

Demystifying Life Cycle Assessments (LCA): From Embodied Carbon Tools to Net-Zero Asset Ratings

sherwin@eyeconz.comJuly 5, 2026August 5, 2026

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For building owners targeting Green Mark Platinum or Super Low Energy (SLE) status, conducting a formal Life Cycle Assessment (LCA) is the ultimate mechanism to...

Reducing Internal Heat Gain: LED Retrofits, Lux Controls, and Lighting Power Budgets

sherwin@eyeconz.comJuly 5, 2026August 5, 2026

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Reducing Internal Heat Gain: LED Retrofits, Lux Controls, and Lighting Power Budgets Every watt of electricity drawn by an indoor luminaire converts into heat inside...

EEG vs. GBIC 2.0 Challenge: Two Paths to Subsidize Singapore Building Retrofits

sherwin@eyeconz.comJuly 5, 2026August 5, 2026

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Every existing non-residential building in Singapore over 5,000 m² that demonstrates consistently high energy consumption must now face a decision matrix regarding its Mandatory Energy...

Maximize Retrofit ROI: Navigating the 2026 Updated BCA GMIS-EB 2.0 Scheme

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

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For privately-owned existing buildings in Singapore, the biggest hurdle to achieving Green Mark Platinum or Super Low Energy (SLE) status has always been the upfront...

Grants & Green Finance

Linking BCA GM:2021 Data to Preferred Green Loan Rates and SGX Disclosures

sherwin@eyeconz.comJuly 5, 2026August 5, 2026

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In Singapore’s built environment, the definition of a “prime asset” is changing. Real estate is no longer valued solely by location; it is increasingly valued...

Maintainability & Resilience

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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