

About us
Cornerstone is a dynamic and innovative company specializing in thermal comfort solutions. With many years of experience, the company stands out for its expertise in the sale, installation, maintenance and repair of air conditioners, thus meeting the varied needs of its customers, whether they are individuals, businesses or communities.
Custom installation:
The installation of air conditioners is a key process that Coolerstone approaches with care and professionalism. Before each intervention, a precise diagnosis is carried out to assess your specific needs in terms of temperature, humidity and space. This personalized approach allows the company to recommend the models best suited to your environment, whether small apartments, large houses or commercial premises. The team of highly qualified technicians quickly installs the equipment, respecting the strictest safety and quality standards.
Preventive and curative maintenance:
In order to guarantee optimal operation and increased longevity of the installed systems, Cornerstone offers regular preventive maintenance services. These services include filter cleaning, refrigerant level monitoring, energy performance verification and inspection of essential air conditioner components. Regular maintenance not only prevents breakdowns but also optimises energy consumption, thereby reducing your bills. In the event of a problem, the company intervenes quickly with effective troubleshooting solutions to quickly restore your comfort.
Ecological and economical solutions:
Cornerstone is also concerned about the environmental impact and energy efficiency of its equipment. The company offers the latest generation of air conditioners, which combine performance and low energy consumption. Thanks to the use of innovative technologies, the equipment is designed to optimise air conditioning while reducing the carbon footprint. Customers thus benefit from ecological solutions without compromising on quality or comfort.
Personalised customer service:
At Cornerstone, customer satisfaction is at the heart of everything we do. The company is committed to providing a tailor-made service, by listening carefully to the needs and expectations of each customer. Advice on the optimal use of air conditioners, tips for extending their lifespan and recommendations on temperature management in different spaces are offered at each stage of the intervention. In addition, a responsive troubleshooting service is available, ensuring a rapid response in the event of an emergency.
Commitment to quality and reliability:
Cornerstone stands out for the quality of its services and the reliability of its equipment. The company works with brands recognized for their excellence and durability, ensuring its customers products that will meet their expectations in the long term. In addition, all interventions are covered by comprehensive warranties, thus offering total peace of mind.
By choosing Cornerstone, you are choosing a trusted partner for all your air conditioning solutions. Whether for installation, maintenance or troubleshooting, Cornerstone guarantees you a high-quality, fast, efficient and environmentally friendly service.