Institutional market Implementing various energy efficiency measures in a high school
Nature of the project
New facility
Description of the measures implemented at a high school
- Geothermal heat pumps for heating and cooling
- LED fixtures featured on the DLC Premium list installed in 5,000 m2 of institutional space
- Occupancy sensors
- Heat recovery from fresh air using heat wheel
- Variable-frequency drives on 100% fresh air HVAC systems
- A solar wall to preheat fresh air
- Drain water heat recovery
- Efficient wall and roof insulation
- Triple-glazed windows
Activity sector
- Education (e.g., high school, private school)
Total financial assistance $434,410
Project details
| Measures implemented | Financial assistance |
|---|---|
| 10 35-kW geothermal heat pumps installed (support of $35,593.50/unit) | $355,935 |
| 1,000 LED light fixtures (6,000 lm) featured on the DLC Premium list installed in classrooms (support of $22/unit) | $22,030 |
| Occupancy sensors installed on lighting controls (support of $6.50/unit**, or 30% of per-unit support) | $6,610 |
| 16 LED light fixtures (20,000 lm) featured on the DLC Premium list installed in the gymnasium (support of $49.75/unit) | $795 |
| Heat recovery through the heat wheel installed on the 100% fresh-air HVAC system (10,000 L/s) | $15,710 |
| A variable-frequency drive with a CO2 sensor controller installed on the 100% fresh-air HVAC system | $7,375 |
| Preheating fresh air using a 250 m2 solar wall and a 100% fresh-air HVAC system (support of $49.50/m2) | $12,375 |
| 10 drain-water heat recovery systems installed in the gymnasium showers (support of $250/unit) | $2,500 |
| 1,500 m2 of efficient wall installation installed (heat resistance of 4.5 m2 * °C/W) | $1,095 |
| 2,000 m2 of efficient roof installation installed (heat resistance of 11 m2 * °C/W) | $6,885 |
| 300 m2 of triple-glazed windows installed (U = 1.6 W/m2 * °C) |
$3,100 |
| Total | $434,410* |
**You’ll receive an extra 30% when you install occupancy sensors.
Benefits to the measures and program
- Heating :
- Reduced heating needs due to thermal envelope efficiency
- Heat pumps :
- Environmentally friendly heating and air conditioning through the extraction and transfer of heat and cold between the indoor and outdoor air and ground
- Reduced heating and air conditioning costs
- LED lighting fixtures :
- Guaranteed energy efficiency of LED fixtures qualified by the DesignLights Consortium
- Up to 48% less electricity used when lighting with DLC Premium light fixtures compared with the market benchmark
- Save even more by installing occupancy sensors
- 100% fresh‑air intake systems :
- Reduced heating costs through heat recovery and installation of a solar wall, variable-frequency drive and CO2 sensor
- Reduced domestic hot-water heating costs by installing heat recovery systems
- Easy to estimate financial assistance with the OSE tool
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