Solar maintenance, electrical repairs, technical drawings and security systems for homes, businesses and industry. Diagnosis → proposal → execution → report.
Every job includes an initial diagnosis, a technical report and photos. Click a service to see what’s included.
No surprises. No hidden costs. Signed documentation at every stage.
Site visit, visual inspection and monitoring data review
Formal proposal with a fixed price and defined scope
Signed work order with a written warranty
Work carried out with before-and-after photos
Full technical report with measurements and recommendations
Electrical and solar engineering with a professional signature, a written warranty and full documentation on every job.
Active member of Costa Rica’s Federated Association of Engineers and Architects. Drawings and reports are signed and stamped.
Every service comes with a full report including photos, measurements and production analysis.
The warranty is signed into the service contract. No fine print.
Huawei SUN2000, Fronius, SMA, Growatt, Solis, Goodwe. FusionSolar, VCOM, SMA Portal and more.
We prepare all the drawings and paperwork to connect your solar system to the grid with ICE, CNFL or ESPH.
Enterprise access control: Brivo, Lenel, Honeywell, Avigilon, Salto. IP video with Axis and Bosch Security. Cloud integration and setup.
Greater Metropolitan Area (GAM), Guanacaste, the Pacific and Caribbean coasts, and the Northern Zone.
Formal quote in under 24 hours. On-site diagnosis within 48–72 hours.
What’s worth knowing before you request a quote. Have another question? Message us on WhatsApp and we’ll get back to you.
Fill out the form and within 24 hours you’ll get a detailed proposal by WhatsApp or email.
Free · No obligation · Reply < 24 h
I’ll get back to you within 24 hours by WhatsApp or email.
Thank you for choosing JZC Design.
Choose the type of service and the time that suits you. You’ll get an automatic email confirmation.
Flexible · On-site visit to your PV system
Flexible · Electrical fault diagnosis
1 hour · Electrical project review
Flexible · CCTV, access control or alarms
Select a visit type above, then click the button to see availability.
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