Have used these guy's on a number of… Have used these guy's on a number of occassions for new installs and repairs and found them to be reliable and tidy with their work. Easy to deal with and listen to what your requirements are to achieve a good result and very competitive prices.

They were fast and reliable They were fast and reliable. I needed AC units installed asap and they were happy to help and do it in my timeline. They came recommended and they didn't fail to deliver.

Amazing work completed so quickly and… Amazing work completed so quickly and efficiently. They were very clean & tidy and got the job done in no time. Would 100% recommend.

Excellent job by a professional team Excellent job and done on time and a good price. Any issues resolved quicky without impacting rest of the operation. Will use Crystal Sigma for future installations and also the maintenance contract is a must. Good job, well-done team. Happy customer. Definitely would recommend.

The service is very satisfactory The service is very satisfactory , finishing the job on time is not