CTC Refrigeration And Air Conditioning» CTC Refrigeration And Air Conditioning We provide and install wall mounted units, ceiling mounted units, which include duct systems, cassette units & suspended ceiling units At C.T.C Refrigeration & Air Conditioning, we have over 34 years experience in providing and installing state of the art heating, cooling & refrigeration systems for all types of commercial and domestic properties throughout South Wales Whether you are a commercial or domestic property owner looking for reliable and high quality heating and cooling systems then you will find our prices and service unbeatable Friendly and reliable and we will install the best brands such as DAIKIN and their new Altherma system