July 1, 2026 Patent
VoltGlass® Receives European Patent for Heated Glass
The technology from Hradec Králové is now protected beyond the Czech Republic. The European Patent Office has granted VoltGlass patent EP4578248.
Read morePatented Czech Technology
Windows That Heat
VoltGlass® heated glass replaces radiators and frees up space for living.
up to 50°C
surface temperature
max. 30 min
warm-up time
25–120 W/m²
surface output
Czech Patent
protected technology
Why VoltGlass®
Patented technology that's changing the way buildings are heated.
Invisible
No radiators, no pipes. Heat directly from the glass.
Efficient
Heat is generated where losses occur. Minimum energy, maximum comfort.
Patented
Patent-protected unique technology developed in the Czech Republic.
Instant
Warmth sensation within seconds. Full power in max. 30 minutes.
Universal
New builds, renovations, interiors and exteriors.
Future-Ready
Compatible with photovoltaics and modern energy standards.
Who is VoltGlass® for
We're looking for partners who want to change the future of heating.
Architects
Design buildings without radiators. Clean lines, large glazing, complete freedom in interior design.
More about applicationsDevelopers
Increase property value with innovative solutions. Meet energy standards without compromise.
More about efficiencyInvestors
Patented technology with own production. Growing market, strong growth potential.
For investorsFrom Our Blog
News, articles and tips from the world of modern heating
May 5, 2026 News
Czech Heated Glass Technology Enters US Market
Patented VoltGlass technology has been included in the offering of American licensing platform IPOfferings. The company is seeking partners among window manufacturers and heating system suppliers in the US.
Read more
February 19, 2026 News
Thank You to Our Investors for Believing in VoltGlass
Thanks to your investments, the VoltGlass project is moving into the implementation phase with pre-orders for nearly 50% of capacity.
Read moreHave Questions?
How does it work, what's the consumption, how is it controlled? Find answers in our FAQ.
Contact Us – We're Happy to Explain Everything
Technology, investment, partnership – we're ready to answer.
For Investors
E-mail: invest@voltglass.cz
Investment materials and financial projections after NDA signing.
For Developers and Partners
E-mail: partner@voltglass.cz
Technical consultations, partnership agreements, distribution terms.
Company Headquarters
VoltGlass výrobní závod s.r.o.
Komenského 264/5
500 03 Hradec Králové
Czech Republic
ID: 194 15 991