Peace of Mind

We want our clients to know that they are in the best hands.  That is why we ensure :

Competence at work

Oasis is totally authorised by the Junta de Andalucía to install and legalise all your installations included in: RITE (Regulation of thermal installations in buildings), which covers heating, cooling, plumbing, solar energy, water treatments, swimming pools, and REBT (Low voltage electrotechnical regulation) which covers electrical installations and home automation (domotics).  This authorisation gives our customers the assurance of our technical competence.


All our installations have a warranty of a year of our own work, also the responsibility of carrying out the labour during the time of manufacturer's warranty. Our work also supported by our civil liability insurance policy of up to 1,500,000 €.

After-sales Service

As a service company, we know that we are only as good as our team.  In order to give the best service it is necessary to have the best engineers/technicians combined with correct, efficient office practices.


Alex Rittener

Founder, Managing Director

With over 25 years of business experience, including 5 years as marketing manager for Cross Luxury Writing Instruments Spain and an MBA from Henley Management College, he is driving the business forward to new heights. A perfectionist and keen sports enthusiast, he enjoys golf, skiing, squash and swimming, as well as spending time with his family.

Arelis Casas

Administration Manager

Arelis Casas has been managing Oasis’ administration department since 2012. She graduated in Business Administration from Málaga University and has over 10 years of accounting experience in different sectors. She has focused the administrative side of the business. Organised, considerate and friendly, Arelis is always ready to help!

Noelia Fiorio

Front Desk, Accounts Assistant

Noelia Fiorio has joined the team in 2017. She is training to be an accountant whilst helping in Oasis’ busy accounts department, as well as liaising with customers regarding their after-sales requirements, organising preventative and corrective maintenance visits. Noelia’s professional, polite and friendly nature ensures “service with a smile”.

Marcos Hidalgo

Team Leader

Marcos Hidalgo joined the Oasis technical team in 2016. Having spent over 20 years between 2 companies, both Master Installers for Daikin (Aguatécnica & latterly Miguel Campano), plus installing heating systems, plant rooms, water treatment, ventilation and swimming pool technical installations, Marcos has bolstered Oasis’ technical side with the experience he has gained in large and small scale installations.

Jorge Fernández

AC, Heating, Electrical & Plumbing Engineer

Jorge Fernández has been a key member of the team since 2012. A qualified refrigeration engineer, heating engineer, electrician and plumber, he has been responsible for several of our most prestigious installations, combining heating, cooling and renewable energy sources in a single plant room. Jorge is a skilled, diligent engineer with great pride in his work and accomplishments.

José Luis España

Electrician & Trainee Engineer

José Luis joined Oasis in 2015 as a qualified electrician. Meanwhile he has continued his own development by studying as a trainee air conditioning and heating engineer, which he will finalise in November 2018, thereby adding another string to his bow. Jose Luis is a hard worker and a perfectionist, taking great pride in his work. He has been a great asset to the team.

Contact us

We will be very pleased to help you