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Your partner for green energy
Maximize savings and gain energy independence with our efficient photovoltaic solutions.
- Green solutions
- Installation services
- Expert advice
- Transparency and trust
About our company
ONSA Plus is a proud provider of green solutions and services. Our headquarters and operational center are located in Košice, where we focus on delivering innovative and sustainable energy solutions for our clients.
Office & Warehouse
Palackého 33
Košice 04001
Slovakia
Mon-Fri: 08:00-16:00
Sat-Sun: Closed
How to get here →
Billing Information
ONSA Plus s.r.o.
Južná trieda 119
Košice 04001
Slovakia
ID No. 36234150
VAT No. 2021499887
VAT SK2021499887
For businesses
Contact us for great prices and expert services in green energy. Sales and installation of photovoltaic panels, heat pumps, and car chargers.
- Operating in 6 countries.
- One-to-one replacement
- Next-day service
- Authorized dealer
Contact form
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