5* Service, from a 5* Company! Professional, honest and reliable company that can not do enough to make your experience with them smooth and easy. Punctual, ensuring that they are always ready to start the job on time. Very obliging too with times and days. They keep to their word and know their stuff!

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 workmen Excellent workmen; trouble with the office.

Excellent service from Crystal Sigma We have recently had 2 air conditioning units installed at home and we would recommend Crystal Sigma and their engineers to anyone looking to get an A/C installed in their home. Both of the engineers we had install our units were very friendly, professional, and knowledgeable. They worked efficiently and tidily and were able to answer all of our questions. A big thank you to James, David, and the rest of the Crystal Sigma team!

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.