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Case studies

Manufacturer case studies

Case studies and customer experiences published by Facil.AI, Demtroys and IceCOLD.

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Aerial view of commercial buildings with rooftop plant at dusk. Row of rooftop air handling units beside a city skyline. Residential high-rise against a clear sky.
The building types behind these studies.
  • Proven in real buildings.Campuses, retail estates, housing and offices, with results measured on site and published by the manufacturer.
  • Available in Canada.Cool Estate brings each of these technologies to Canadian buildings, from first conversation to rollout.
  • Go straight to the source.Every card links to the full study, with each figure shown in its own terms.

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  • Interior of a central plant hall with chillers and insulated pipework.

    Facil.AI · Chiller plant optimisation software

    CSU Dominguez Hills

    California State University, Dominguez Hills

    47%total plant efficiency improvement, 0.86 to 0.45 kW/ton from the 2022 baseline to the post-AI average, as reported by Facil.AI

    Context
    The campus chilled water plant runs three 1,000-ton York YMC2 chillers and four cooling towers under a Johnson Controls Metasys system. The team wanted further efficiency without major capital work.
    Approach
    Facil.AI connected through the existing Metasys system. It began with condenser water temperature reset, replacing a fixed rule with adaptive control, then optimised the plant as a whole.
    Reported outcome
    Facil.AI reports total plant efficiency moving from a 2022 baseline of 0.86 kW/ton to a post-AI average of 0.45 kW/ton.
    Read the study on facil.ai
  • Rooftop units on a large single-storey retail building with a loading yard.

    Facil.AI · RTU optimisation software

    Retail rooftop optimisation

    A national retail chain (not named by Facil.AI)

    11%energy savings, as reported by Facil.AI

    Context
    The chain runs nearly 1,000 locations with more than 6,000 rooftop units. Its facilities team wanted lower energy use without taking on more monitoring work.
    Approach
    Facil.AI connected through the chain's existing network-controlled thermostats by cloud integration, with no new hardware, and adjusted rooftop unit operation continuously.
    Reported outcome
    Facil.AI reports 11% energy savings and hot and cold comfort calls cut in half. Its article reports cost savings over 90 days and states IPMVP Option C measurement and verification.
    Read the study on facil.ai
  • Aerial view of commercial rooftops with plant equipment across a business district.

    Facil.AI · RTU optimisation software

    Small-box retail optimisation

    A national small-box discount retailer (not named by Facil.AI)

    $2.5Maverage annual savings per year, as reported by Facil.AI

    503%average monthly ROI, monthly savings against the monthly SaaS fee

    Context
    Two staff and an outside consultant monitored building systems by hand and reacted to problems after they occurred. The estate now runs to more than 1,800 stores and 5,000 rooftop units.
    Approach
    Facil.AI connected cloud to cloud with the existing smart thermostat system, with no on-site hardware, and models and adjusts each zone individually. Deployment has been ongoing since June 2022.
    Reported outcome
    Facil.AI reports average annual savings of $2.5 million per year, with average monthly energy savings of 10% across the deployment.
    Read the study on facil.ai
  • Campus building at dusk with rooftop plant equipment.

    Facil.AI · Chiller plant optimisation software

    CSU Channel Islands

    California State University, Channel Islands

    1.15 to 0.6kW/ton average plant efficiency, before and after, as reported by Facil.AI

    Context
    A 21-building, 1.3 million sq ft campus faced budget pressure with a lean facilities team. Two JCI York chillers (620 and 680 tons) run under an Automated Logic building automation system.
    Approach
    Guided by Apex Consulting, the campus added Facil.AI as software on its existing Automated Logic WebCtrl system. It observed the plant first, then made small, incremental adjustments.
    Reported outcome
    Facil.AI reports average plant efficiency moving from 1.15 to 0.6 kW/ton within 45 days. This is a plant efficiency measure, not whole-campus energy savings.
    Read the study on facil.ai
  • Residential high-rise with balconies against a clear blue sky.

    Demtroys · Energy management system

    Ottawa Community Housing: residential high-rise

    Ottawa Community Housing

    31.8%reduction in heating consumption rate, as reported by Demtroys

    Context
    A 20-level building with 240 units and 17,848 m² of electrically heated floor area, fully occupied.
    Approach
    Ottawa Community Housing installed the Demtroys system to manage heating costs.
    Reported outcome
    Demtroys reports a 31.8% reduction in heating consumption rate, comparing electricity use before and after installation at the same heating degree day.
    Read the case study
  • Glazed commercial office building at dusk with lit interiors.

    Demtroys · Energy management system

    Allied, Toronto: commercial building

    Allied

    44.83%heating savings against an adjusted baseline, as reported by Demtroys

    Context
    An electrically heated building in Toronto with 24 units over nine levels and 6,658 m² of living area.
    Approach
    Allied installed a Demtroys energy management system in one of its Toronto buildings.
    Reported outcome
    Demtroys reports 44.83% heating savings, comparing measured consumption with a weather-adjusted estimate of consumption without the system.
    Read the case study
  • Rooftop condensing units and refrigeration pipework at dusk.

    IceCOLD · Efficiency catalyst, customer testimonials

    Customer testimonials

    IceCOLD customer experiences

    18 customers, including 7-Eleven, Barber Foods, City of Lakewood and West Hills Community College District

    18customer testimonials, published by IceCOLD Technology

    Context
    IceCOLD Technology publishes comments from customers who have used its catalyst in their own air conditioning and refrigeration equipment.
    Approach
    We quote all 18 as published, with the customer and any named person or role the source gives.
    What customers say
    In their own words, customers describe what changed on their own equipment over their own operating period.
    Read the testimonials

Case studies are published by the manufacturers Cool Estate represents in Canada and describe their own customer projects. Images show similar building types.

Discuss your building

We can walk you through the technology behind any of these studies and whether it suits your estate.

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