Lakeshore Blvd
Multi-residential building with 112 units
Enhanced ASHRAE Level 2 audit:
- Analysis of historical electricity, gas and water consumption
- Assessment of boiler plant efficiency and performance
- Complete catalogue of electricity uses including fans, pumps, lighting and elevators
- Measurement of in-suite water consumption
Opportunities identified:
Six conservation measures identified. Estimated cost of $64,000 and expected savings of $41,000 per year, providing 1.5 year payback.
- Heating Control, Mixing Valves & Ventilation
- Variable Speed Drives for Ventilation Control
- Parking Garage Ceiling Insulation
- In-Suite Water Recommissioning
- Efficient Lighting and Control
In-suite water recommissioning program:
- High-efficiency showerheads and faucet aerators installed
- Toilet flappers replaced and toilets adjusted
- Leaking fixtures repaired or replaced
- Hot water use reduced, saving natural gas
- Daily water monitoring to track performance and protect results
Water Recommissioning Results
| Water Savings: |
$29,700 per year (32%) |
| Natural Gas Savings: |
$2,200 per year (11%) |
| Total Utility Savings: |
$31,900 per year |
| Project Cost: |
$15,800 |
| Return on Investment: |
6 month payback period |
14 tons of natural gas is being saved annually as a direct result of this work, which is equivalent to removing 3 cars from the road!
Project Results
