8 results
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Welsh: system aerdymheru
English: air conditioning system
Welsh: aerdymheru
English: air conditioning
English: heating ventilation and air conditioning
English: HVAC
English: Heating and Ventilating, Refrigeration and Air Conditioning
English: Small Commercial Refrigeration and Air Conditioning Systems
English: Refrigeration and Air Conditioning (Commercial & Industrial Refrigeration Systems)
English: chilled beam cooling systems