Maintenance / Repair

Professional Air Conditioning Services

>> Technical precision, experience, and commitment in every procedure

At NSG Diagnóstico & Soluciones HVAC, we offer a comprehensive service focused on technical excellence and total customer satisfaction. With over 30 years of experience in the air conditioning sector, we specialise in the diagnosis, maintenance, repair and optimisation of HVAC systems of all brands and technologies.

Our work is based on a clear principle: reliability comes from knowledge. That is why we apply advanced verification and measurement methods, using our own instruments — such as the EEV CHECKER, developed by us — to guarantee accurate results in every diagnosis.

>> Our main services

• Advanced fault diagnosiWe identify the exact cause of each fault using technical tests and specialised tools. Our reports offer concrete solutions, not guesswork.

• Preventive and corrective maintenanceWe design customised plans that ensure maximum energy efficiency and extend the useful life of equipment, reducing downtime and unexpected costs.

• Professional repair of HVAC systems
We repair all types of equipment: split, multisplit, VRF, aerothermal, CO₂ heat pumps, and industrial systems. We work to the highest quality standards in the industry.

• Commissioning and performance optimisation
We adjust each system to achieve maximum efficiency, verifying electrical, thermal and electronic parameters according to the manufacturer's specifications.

• Technical advice for professionals
We provide support and assistance to installers, maintenance technicians and companies in the sector, helping to resolve complex incidents or improve the reliability of their services.

>> Our commitment

At NSG, we understand that behind every team there is a person or company that trusts our technical expertise.

That is why we offer direct, transparent and personalised service, backed by decades of experience and solid training in professional air conditioning.

Every project, regardless of size, receives the same attention, precision and level of commitment.