Key points for choosing an installer:

Full detailThe quotation must break down all costs: materials, labour, management, legalisation and maintenance (optional).

No hidden charges: Seek full transparency on costs. Don't forget that signing a contract details the final conditions.

GuaranteesCheck the duration and coverage of equipment and installation warranties. Maintenance: Find out if they offer maintenance plans for the future.

Customer serviceMake sure that you will be able to contact them easily if any problems arise in the future.

Liability insuranceConfirm that you have insurance to cover possible damage.

RegisterVerify that the company is registered as an authorised installer in the industrial register of your autonomous community.