Nature of the project

Existing facility

Description

The following devices or measures were installed:

  • High-efficiency cooling system with variable speed drive (VSD) compressor
  • LED fixtures featured on the DLC Premium list in a 10,000-m2 office building
  • Adaptive controls
  • Heat wheel (heat recovery from fresh air)
  • VSD-equipped 100% fresh-air HVAC systems
  • Thermal storage unit (hot water storage tank) for power management
  • Drain-water heat recovery
  • Additional roof insulation
  • Triple-glazed windows

Area of activity

  • Commercial (e.g., head office of a large corporation)

Total
financial assistance $247,610

Project details

Measures implemented Financial assistance
Installation of a 250-TR water-cooled centrifugal chiller with an energy efficiency ratio (EER) of 21.50 Btu/hr/Watt $10,945
Cooling system with variable speed drive (VSD) compressor $4,550
Installation of a 65,000-litre thermal storage unit (hot water storage tank) (difference of 47.5°F) $99,600
1,000 LED light fixtures (3,500 lm) featured on the DLC Premium list installed in open-plan areas (support of $21.50/unit)** $21,545
Installation of adaptive controls (support of $9,75/unit**, or 45% of per-unit support) $9,695
Installation of 100 light fixtures (800 lm) featured on the DLC Premium list in the corridors (support of $5/unit) $490
Heat recovery through the heat wheel installed on the 100% fresh-air intake system (10,000 L/s) $62,360
Variable-frequency drive with CO2 sensor installed on the 100% fresh-air intake system $21,520
10 drain-water heat recovery systems installed (support of $250/unit) $2,500
1,000 m² of roof insulation installed (heat resistance of 1.50 m²∙°C/W) $4,895
800 m² of triple-glazed windows installed (U = 1.60 W/m²∙°C) $9,510
Total $247,610*
*Figures are rounded.
**Receive an extra 45% when you install adaptive lighting controls.

Benefits of the measures and program

  • Heating
    • Reduced heating needs due to improved thermal envelope efficiency
    • Reduced power demand due to the thermal storage unit
  • New cooling system
    • Less electricity used for air conditioning
  • LED lighting
    • Guaranteed energy efficiency of LED fixtures qualified by DesignLights Consortium
    • Up to 48% less electricity used when lighting with DLC Premium light fixtures compared with the market benchmark
    • Save even more with adaptive controls designed to adjust lighting to meet needs
  • 100% fresh-air intake system
    • Reduced heating costs through heat recovery and installation of a VFD with a CO2 sensor
  • Reduced domestic hot-water heating costs due to heat recovery systems
  • Simplified financial assistance calculation with the OSE tool

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OSE tool 3.1*

Version in effect since June 3, 2022

Download the OSE tool [exe 13 MB- in French only]

*Make sure you use the version of the software that corresponds to your project start date. If you began your project prior to May 9, 2022, view this page to see which version you should use.

OSE tool 3.1

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Outil OSE 3.1*

Important: The OSE tool can only be installed and used on a computer with a Windows operating system.

Download the OSE too [EXE 13 MB - in French only]

*Make sure you use the version of the software that corresponds to your project start date. If you began your project prior to May 9, 2022, view this page to see which version you should use.

Watch this short video to learn how to use the OSE tool. [in French only]

Duration: 2 minutes 22 second

Transcription de la vidéo Outil OSE

video transcription OSE tool

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