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Hotel & Hospitality

Lake Louise Inn

Commercial laundry in beautiful Banff

Alberta, Canada

Lake Louise Inn (LLI) is a 247 room resort nestled within the breathtaking Rocky Mountains in Banff National Park, part of a UNESCO World Heritage Site.

Utilizing a PIRANHA T10 to collect the hot wastewater discharge from their laundry systems, Lake Louise reduced their laundry water heating energy demand by as much as 45%.

Our PIRANHA works great and is reliable, I’ve definitely noticed how much less our boilers run because of the reduced load. We love showing our Guests that we take actionable steps towards green energy.

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Quick Facts

  • Lake Louise Inn’s laundry room hot water is propane heated
  • PIRANHA significantly reduced load & runtime of boilers
  • 32,000 litres propane saved per year
  • 137 MWh/year heat output 
PIRANHA T10 system

Lake Louise Inns PIRANHA T10 wastewater heat recovery system intercepts laundry room wastewater, extracts heat from it and uses that heat to offset the energy required by the hotel to heat water for the laundry.

Results from 2 week audited trial (2018)

  • Ran an average of 10.7 hours per day
  • PIRANHA output 375 kWh of heat per day (1.28 million BTU) the equivalent of heating nearly 6,500 litres (1,700 US gallons) of water from 10 to 60°C (50 – 140°F)
  • PIRANHA reduced propane requirement by 1,240 litres (327 gallons) the equivalent of 1.93 tonnes of CO2e
Product Installed Project Type Project Size Commissioned Developer Engineer Architect
PIRANHA T10 Hospitality & Laundry 247 Rooms September 2018 - - -
Application Max DHW Temp Approx % DHW Load Design Energy Output (MBH) Design Cooling Capacity (MBH) Average PIRANHA Efficiency (COP) Baseline Baseline Efficiency
DHW 120°F / 49°C 50% 120 N/A 5.25 Propane 60%
GHG Reduction (metric t CO2e/year) Net Energy Reduction (MMBTU/year) Energy Reduction vs. Baseline Avoided Fossil Fuels (therm/year) Approximate Impact
Cars off Road Tree Offsetting CO2e
35 685 44% 7,730 7.6 1,591

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