Serving the Nation, Cooling the Capital
At Crystal Sigma, we are a leading specialist in air conditioning, refrigeration, ventilation, heating, and electrical services for residential and business customers across the UK. With offices based in London, Oxford, Essex, and Cambridge, our services cover all of Greater London, Oxfordshire, Cambridgeshire, Hertfordshire, and Buckinghamshire.
Our History
With over 20 years of experience in keeping the Capital cool, we have established a reputation for quality, customer-centric ethos, and a commitment to exceeding our clients' expectations. Our dedicated team of engineers work on both large and small-scale air conditioning installations, from individual units in your home to roof-top AHUs.
Our Services
We offer a comprehensive range of services, including:
- Air Conditioning Installation: We install, repair, and maintain air conditioning systems from all major brands across the UK.
- Servicing & Repairs: Our highly skilled engineers provide outstanding results on both large and small-scale air conditioning installations.
- Ventilation: We design and install ventilation systems for residential and commercial properties.
- Refrigeration: Our team of experts provides refrigeration solutions for industrial and commercial customers.
- Heating: We offer heating services, including installation, servicing, and maintenance of heating systems.
- Electrical Services: Our team provides electrical services, including installation, servicing, and maintenance of electrical systems.
Benefits of Working with Us
- Unrivalled service combined with our highly skilled engineers means we deliver outstanding results for all our clients.
- We cover over 80% of the UK, with a strong presence in Greater London, Oxfordshire, Cambridgeshire, Hertfordshire, and Buckinghamshire.
- We support all major manufacturers, ensuring you receive the best solutions for your cooling needs.
- Our work is fully guaranteed, giving you peace of mind and protection for your investment.
Going Green Has Never Been So Easy!
Air Source Heat Pumps are becoming increasingly popular as a sustainable and cost-effective solution for heating and cooling. At Crystal Sigma, we supply and install the latest high-efficiency air source Heat Pumps.
Why Choose Crystal Sigma?
- Over 20 years of experience in the air conditioning industry.
- A team of highly skilled and experienced engineers.
- Fully guaranteed work, giving you peace of mind and protection for your investment.
- Support for all major manufacturers.
- A comprehensive range of services, from installation to servicing and maintenance.
Exceptional Customer Service and Installation
The reviews for Crystal Sigma are overwhelmingly positive, with all reviewers giving the company a perfect 5-star rating. The majority of comments emphasize the professionalism, efficiency, and courtesy of the team, who were able to complete installation work quickly and to a high standard.
Installation and Quality of Work
Many reviewers praised the installation team for their professionalism, cleanliness, and attention to detail. They were able to complete complex installation jobs efficiently and to the highest standard, often in a short amount of time. The quality of the work was also praised, with many reviewers noting that the air conditioning units were installed and functioning properly.
Customer Service and Communication
The company's customer service was also highly praised, with reviewers noting that the office staff were knowledgeable and helpful, and that the engineers were responsive to their needs. Several reviewers mentioned that the company's owners, including Samir, were available to resolve any issues that arose during the installation process.
Conclusion
Overall, the reviews for Crystal Sigma suggest that the company is a reliable and professional provider of air conditioning installation services. With a focus on excellent customer service, efficient installation work, and high-quality products, Crystal Sigma seems to be a standout in the industry.
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