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- Commercial
- Solar thermal
- Solar-geothermal hybrid systems
- Waste heat recovery
- Public/institutions
- Solar thermal
- Residential
- Solar and solar hybrid systems
- DIY Solar Kit
The Listel Hotel
Location:
Vancouver, BC
System Info:
-
20 solar collectors
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20-ton air-to-water heat pump
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The Listel Hotel is the first hotel in Vancouver to install a cutting-edge renewable energy system. The hotel is reducing its carbon footprint, and annual energy expenses, through the use of solar panels and a highly efficient heat recovery system installed by the team at Pro Eco Energy.
How the system works:
The Listel’s customized system employs equipment typically used as a ground-source heat pump. Such pumps exploit the steady underground temperature to provide seasonal heating and cooling. The Listel’s system however does not have an underground loop of liquid-filled tubing for geothermal exchange. Instead, the heat pump is connected to twenty solar collectors and a heat recovery system as well as a 20 ton air-to-water heat pump.
Waste heat is collected from the cooling system (the air-conditioning
chiller) to use as pre-heat for the domestic hot water and as heating
support for the building. This enables the existing gas-fired boiler to
run less, since the heat pump has a much better co-efficiency rate than
a gas boiler.
A computer-controlled system from Care System of Vernon BC, combined with a gas-fired boiler, provides heating and cooling of water and air for the 129 room hotel. The solar heat from solar panels on the hotel’s roof is primarily used to pre-heat the domestic hot water. Solar-heated water is stored in a tank with a capacity of 4,500 liters.
Benefits:
The Listel is now tapping into the sun’s abundant and easily-accessible alternative energy via solar thermal collectors to lower their heating costs and, most importantly, their carbon footprint. The hotel expects to reduce its carbon gas emissions by 170 tons annually.
The estimated pay-back time (amortization period) is less than six years, based on an estimated five per cent annual price increase on natural gas rates. A federal grant from the ecoENERGY for Renewable Heat Initiative reduced the cost of the solar part by 25 per cent.
Alternative Energy Leaders:
Solar Thermal Systems
Waste Heat Recovery and
Solar Hybrid Systems
Geothermal Hybrid Systems
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