Stop power cuts once and for all. We design, install and maintain your solar system from A to Z — with method, qualified technicians and a written guarantee.
In Brazzaville, electricity outages are a daily reality. They cost money, damage electronics, disrupt professional activities and degrade quality of life.
ETS Mondésir offers a lasting solution, sized precisely to your real needs — not an oversized system that costs you unnecessarily, nor an undersized one that leaves you in the dark on the first hot evening.
Our commitment: explain every technical choice to you, provide a detailed quote before any work begins, and remain available after installation.
Residential, commercial, industrial. Mono or polycrystalline panels based on your budget and available surface area. Secure, guaranteed mounting.
Precise calculation of your real consumption, number of panels, storage capacity, inverter power. Nothing left to chance.
Lead-acid, GEL or Lithium LiFePO4 batteries based on your needs and budget. 1 to 3-day autonomy sizing available.
Installation of hybrid inverters, MPPT or PWM controllers adapted to your setup. Programming and commissioning included.
Rapid response for breakdowns, short circuits, overvoltage or equipment failure. Free diagnosis for clients who installed with us.
Panel cleaning, connection checks, battery testing, inverter control. Scheduled at regular intervals to keep performance at 100%.
Maintenance subscription from 15,000 FCFA/month. 48h response guarantee, priority spare parts, unlimited phone support.
At the end of every installation, a complete explanation of your system: how to use it, read indicators, and what to do in case of a problem.
From your first contact to the end of your warranty, here is exactly how we work.
Consumption analysis, surface evaluation, priority review. Free, no commitment, within 24 hours.
Precise itemised proposal: equipment brand and quantity, labour cost, installation timeline, guarantees.
Fitted by our certified technicians. Before/during/after photos. Full performance tests before we leave.
Full explanation of your system. User guide provided. You are autonomous from day one.
Dedicated WhatsApp number. Response within 4h. On-site intervention within 48h if needed. No abandonment post-installation.
Warranty certificate issued on installation day. 6-month labour guarantee. Manufacturer support per equipment.
What you see here is real work carried out in Brazzaville. Not stock photos.
Every line is explained. Unit prices, quantities, labour cost, timelines. No vague lines.
All our technicians have been trained and field-tested. No unreliable subcontracting.
Response within 4h on WhatsApp. On-site intervention within 48h maximum. No post-installation abandonment.
6-month guarantee on installation. If something fails due to our work, we come back. Free of charge.
Before, during and after photos. You have a complete record of everything that was done.
Payment in two stages: deposit on order, balance on delivery. Never 100% upfront.
These prices are indicative. Each installation is unique and subject to a free personalised quote.
Starting from
Starting from
Personalised study
