Cooling the Capital for over 20 years
Welcome to Crystal Sigma, London's leading air conditioning experts for over 20 years. We specialize in providing top-notch air conditioning, refrigeration, ventilation, heating, and electrical services for residential and business customers across the UK. With offices in London, Oxford, Essex, and Cambridge, our services cover all of Greater London, Oxfordshire, Cambridgeshire, Hertfordshire, and Buckinghamshire areas.
Our Expertise
As a leading specialist in air conditioning, refrigeration, ventilation, heating, and electrical services, we have developed an excellent reputation for our dedication to quality, customer-centric ethos, and our commitment to exceeding your expectations. Our team of highly skilled engineers has decades of experience in designing, installing, and maintaining air conditioning systems for homes and businesses of all sizes. From individual units to large-scale industrial installations, we provide comprehensive solutions that cater to your specific needs.
Residential Air Conditioning
At Crystal Sigma, we understand the importance of a comfortable living space. That's why we offer a range of air conditioning services for your home, including new installations, servicing, and repairs. Our team of experts will work with you to design and install an air conditioning system that meets your specific needs and budget. Whether you're looking to install a new system or maintain an existing one, we've got you covered.
Commercial Air Conditioning
We also provide comprehensive air conditioning solutions for businesses of all sizes. From small office spaces to large industrial sites, our team of experts will work with you to design and install an air conditioning system that meets your specific needs. We offer a free site survey to all our customers and provide a service that is backed up by our fleet of engineers.
Industrial Ventilation
Crystal Sigma is committed to providing top-notch industrial ventilation solutions that meet the unique needs of your business. Our team of experts will work with you to design and install an industrial ventilation system that is tailored to your specific requirements. We use only the finest products from leading manufacturers, ensuring that our solutions are of the highest quality.
Going Green
We believe that going green has never been easier. That's why we're passionate about providing renewable energy solutions that are good for the environment and your wallet. Our team of experts will work with you to design and install air source heat pumps that utilize the latest technology to harvest energy from the air.
What Sets Us Apart
At Crystal Sigma, we're committed to delivering exceptional results that exceed your expectations. Our team of highly skilled engineers, combined with our unparalleled service, sets us apart from the competition. We're proud to offer a 100% satisfaction guarantee, ensuring that you're completely happy with our services.
Excellent Service and Installation
The reviews are overwhelmingly positive, with customers praising the exceptional service and installation provided by Crystal Sigma. Many reviewers praised the company's professionalism, efficiency, and attention to detail.
Fast and Efficient Installation
Several reviewers noted that the installation process was quick and efficient, with some jobs completed in as little as two days. The team was described as professional, clean, and tidy, and they left the workspace spotless.
Friendly and Helpful Staff
The Crystal Sigma staff was praised for their friendly and helpful demeanor. Reviewers appreciated the ease of communication and the willingness to accommodate their needs.
High-Quality Products and Services
Customers were impressed with the high-quality products and services offered by Crystal Sigma. They appreciated the range of options available and the expertise of the engineers.
Professionalism and Reliability
The company's professionalism and reliability were highlighted by many reviewers. They praised the team's expertise, knowledge, and ability to resolve issues promptly.
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