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Saturday 13 Aug, 2022

Randles Hotel Killarney
Co. Kerry

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Randles Hotel – turning a Victorian building into a carbon-free hotel
Long term investments into reducing carbon footprint and minimising energy usage
 Mon 27th June 2022

Personal demands from guests have made sustainability a vital part of operations at Randles Hotel in Killarney, with a strong commitment from owner Tom Randles - a 3rd generation hotelier within the family business - to delivering a carbon-free hotel experience.

The focus for change is to reduce carbon footprint and energy usage for a greener future, whilst also helping to educate colleagues and peers through case studies and encourage change from fossil fuel driven systems into new innovative renewable systems. Despite the Randles Hotel building being over 116 years old and having gone through various building infrastructure extensions dating from 1906-2008, the team has already managed to achieve incredible results with investment and determination.

Tom Randles started investing into an energy upgrade project plan in 2020 through the services of a consultancy specialising in hotel energy retrofits. After collating energy upgrade opportunities through a series of detailed commercial audits and advice from Tim O’Leary (BSPM Energy Consultancy), the following measures and phased works were programmed and implemented accordingly.

Phase 1: 2020-2021 – Works Completed

  • Implement Air Source Heat Pump for hot water generation system to replace the existing gas fuelled Calorifiers and enable to run the domestic hot water on a renewable efficient system – Energy Savings of 250,000 Kwh per annum, 40% Cost Savings per annum, 52,000 Kg CO2 saved per annum.
  • Introduce Air to Water Heat Pump for pool water heating and ventilations temperatures, introducing a new low temperature AHU that runs and controls in a more efficient manner - Energy Savings of 400,000 Kwh per annum, 60% Cost Savings per annum, 82,000 Kg CO2 saved per annum.
  • Introducing 30Kw PV Panels on the roof of the hotel. Currently the Solar PV is creating surplus electricity and is producing 50% of the overall hotel usage on a daily basis- Energy savings 28,294 Kwh per annum, 13,451 Kg CO2 saved per annum, 20 Equivalent Trees Planted.
  • Introduce a new Energy Management System with remote monitoring, to control and monitor significant energy usage in the building.
  • Install pool cover to reduce heat losses from the swimming pool of the leisure centre.
  • Replace Fluorescent Lights in below and above ground car parks for new LED lights.

Phase 2: 2021-2022 – Live Project Works

  • Introduce Air Source Heat Pump for Space Heating through monobloc units, these will be combined with Phase 1 hot water generation upgrade, and the entire system will be run on renewable Air Source Heat Pumps - Additional 380,000 Kwh energy saved with combined space heating and domestic hot water via heat pumps, 30% Cost Saving per annum, 78,000 Kg CO2 saved per annum.
  • Upgrade Air-Conditioning with more efficient system for specific suite rooms.
  • New efficient Kitchen Supply and Extract fans with variable speed controlled via a proving system.
  • Upgrade all Heating and Domestic hot water generation pumps with variable speed system. The upgrade will give a wider control of flowrates, reduce energy usage and more accurate control of the entire new efficient system.
  • External Pipework for Heating and Domestic Hot Water to be insulted and cladding to conserve energy.

Phase 3: 2022-2023 – Future Works

  • Upgrade Windows to sectional blocks of the building.
  • Upgrade insulation in certain areas of the building with heat losses.
  • Introduce Car Parking Points in Car Park.
  • Implement additional Solar PV panels.

The projects have already had a huge impact on cost-saving and energy saving efforts, and on reducing the hotel’s carbon footprint. As a result of these measures, the hotel was able to promote core values in wellness & sustainability which in return has led to a far more proactive and positive working environment. The project has given the hotel the perfect opportunity to challenge its limitations and turn the Victorian Structure into an energy efficient building to modern day standards with the most up-to-date technology.

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