Introducing the H3 Smart: The Next Generation of 3-Phase Hybrid Inverters
At Fox ESS, we’re constantly innovating to meet the evolving needs of modern energy systems — and our latest release, the H3 Smart, is a direct response to the growing demand for flexible, high-performance solutions in the commercial and larger residential space.
Building on the proven success of our hybrid inverter range, the H3 Smart delivers next-generation functionality with smarter design, streamlined installation, and enhanced control features.
What Is the H3 Smart?
The H3 Smart is a brand-new 3-phase hybrid inverter boasting and a host of installer-friendly upgrades. It’s designed for properties with higher energy demands — including large homes, multi-family dwellings, and commercial sites.
With models ranging from 5 kW to 15 kW, the H3 Smart provides exceptional flexibility, making it suitable for both small-scale commercial installations and premium domestic setups.
What Makes It ‘Smart’?
The H3 Smart isn’t just a name — it introduces a range of features that simplify installation, enhance user control, and optimise system performance:
- Built-in EPS output for backup support — no external ATS required
- Built-in Wi-Fi – no need for a plugin dongle
- Plug-and-play design for quicker, cleaner installation
- Upgraded firmware architecture for smoother updates and advanced energy features
Flexible Power for Modern Energy Systems
The H3 Smart supports up to three MPPTs, allowing flexible PV configurations and high efficiency across multiple roof orientations. It’s fully compatible with our full range of LFP HV battery options.
Ideal applications include:
- Small commercial installations
- Agricultural or rural properties
- High-consumption domestic homes
- EV-ready sites
- Smart energy retrofits and new builds
Built for the UK Installer
With full G99 compliance, class-leading efficiency, and integrated EPS functionality, the H3 Smart is ready for the UK market. Whether used as part of a new install or an upgrade to an existing site, it gives installers and homeowners a dependable, forward-thinking solution that’s easy to deploy and easy to use.
Available Now
The H3 Smart is now available from authorised Fox ESS distribution partners across the UK. For datasheets, installation guides, or product enquiries, visit fox-ess.tech or contact the Fox UK service team.
