RHYDAK Labs

    Engineering research, methodologies and white papers.

    A knowledge ecosystem for engineers, plant heads, sustainability leaders and policy makers working on the future of cooling infrastructure.

    Research

    Why Chiller Plants Waste Energy

    Structural reasons operating plants run above their part-load potential — condenser-water reset, sequencing on marginal kW, auxiliaries, and silent heat-transfer decay.

    Methodology

    Beyond Full-Load COP: NPLV, IPLV & the Site Curve

    Why full-load COP is a marketing number, why NPLV / IPLV are closer, and why a site-specific part-load curve is the real answer for plant heads.

    Standards

    IS 16590 — India's Chiller Efficiency Standard, Explained

    India's national standard for water-chiller energy performance. Why the headline metric is ISEER — not IPLV — and what plant heads must verify before procurement.

    Standards

    BEE Star Labelling for Chillers

    How the Bureau of Energy Efficiency star bands map to ISEER (per IS 16590), what a 5-star rating actually means for annual kWh, and where the label ends and site-specific engineering begins.

    White Paper

    Decarbonisation of Cooling Infrastructure

    Optimisation, retrofit and refrigerant strategy — sequenced correctly, chiller-plant work is the fastest route to Scope 2 reduction for most facilities.

    Research

    Equipment Health Intelligence, Defined

    The engineering difference between monitoring, predictive maintenance and true health intelligence — decomposed by mechanical, electrical, thermodynamic and control layers.

    Article

    Engineering Analytics vs Monitoring

    Dashboards answer what. Engineering analytics answer why and what to do next — a field guide for plant heads and sustainability leaders.

    Methodology

    A Framework for Retrofit vs Replace

    A five-lens engineering framework — thermodynamic headroom, reliability trajectory, refrigerant exposure, capital, optionality — for the plant head's most consequential decision.

    White Paper

    Sustainable Cooling Infrastructure

    A national-scale view: cooling demand, MRV, indigenous engineering capability and the path to climate-aligned infrastructure.

    RHYDAK Navigator

    Engineering Intelligence starts with the right question.

    Is your chiller consuming more energy than expected?