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Established since 1989, Wisma’s core business has been in the air-conditioning field together with its corollary electrical engineering aspects.
Air-conditioning technology and equipment have evolved through this period, from the simple window units to the single-split, multi-split and then to the inverter series for household needs. In the larger context of office and industrial application, we have seen the evolution from the huge standalone ducted units to the versatile VRV/ VRF systems.
Refrigerant gases were primarily of the DuPont Freon series (ozone-depleting CFCs) and have since been replaced by other ozone-friendly refrigerants.
Wisma stayed on-course with the core business to acquire new skills and upgrade itself as air-conditioning technology evolved and developed. That persistence was to ensure that customers can be served in the best possible way.
The philosophy of keeping abreast with developments in our core business continues today so that we can offer the best available solutions in air-conditioning needs to our customers.
The same can also be said of our servicing department as new methods, tools and chemicals became a necessity for providing top-grade servicing and maintenance of air-conditioning systems. To us, failure to provide a satisfactory level of service is not an acceptable option.
The scope of works within Wisma’s capability covers (including equipment supply, installation, and commissioning)
Our track record is a testimony to our professionalism, with references available to potential customers. The number of repeat customers from households and main contractors speaks of confidence they have in our ability to execute jobs in a proper and timely manner. Larger projects have included submission of “As-Built” drawings.
At Wisma, each job, whether small or large, expects a full commitment from us and we always establish a dialogue with the customer to fully understand his needs and execute accordingly.