Decarbonising Hospitality


Limited Real-Time Monitoring
Outdated data makes it difficult to spot inefficiencies and measure decarbonisation impact effectively
High Level Info
Founded: 1927 | Revenue: $23.7b USD I Employees: 411,000
About
Aloft Hotel is a 4 Star Hotel & part of the Marriott Group located in the heart of historic Dublin. Aloft aimed to improve energy efficiency by optimising HVAC systems and implementing enhanced control strategies.
€83k+
Cost Savings
584MWh
Energy Savings
97 tCO₂e
Carbon Savings
€17 k
Investment
2.5 Months
Return on Investment
Issue
Aloft Hotel is a 4 Star Hotel & part of the Marriott Group located in the heart of historic Dublin. Aloft aimed to improve energy efficiency by optimising HVAC systems and implementing enhanced control strategies.
Action
AHU 1 Optimisation: Using CPOS, we identified & resolved simultaneous heating & cooling issues. Expected electrical savings from isolation of the A/C unit & gas savings from control updates on heating circuits. AHU 2 Optimisation: Using CPOS, we adjusted AHU schedule & isolated LPHW valve for temperature stability. Galned control over A/C units through the AHU controller. Correct commissioning of heat recovery loop executed for optimal efficiency. Miscellaneous Measures: Identified additional savings potential with electrical heater control optimisation, Boiler control updates for demand-based operation, Solar thermal installation to support hot water requirements, Solar PV & smart metering system for real-time operational effidency reporting
Conclusion
Aloft recouped their initial investment within the first two months and so far have achieved over €50k in annualised savings with no CapEx investment.
Sustainable Energy Management




