• Description
  • Why Buy From Us

Fronius Primo 11.4-1 208-240VAC Single Phase String Inverter

Welcome to the future of solar energy conversion with the Fronius Primo 11.4-1. Designed for residential use, this single-phase string inverter combines high efficiency, innovative technology, and user-friendly features, making it an ideal choice for homeowners looking to optimize their solar energy systems.

  • Superior efficiency and performance with a maximum efficiency of 97.5%.
  • Dual MPPT for flexible installation and maximum energy harvest.
  • Integrated Wi-Fi and Ethernet connectivity for easy monitoring and control.
  • Smart Grid Ready for advanced energy management and grid integration.
  • Robust design with NEMA 4X protection for durability in all environments.

Technology and Overview

The Primo 11.4-1 features advanced MPPT technology and a cooling system designed for optimal performance and longevity. Its integrated connectivity options offer seamless integration and monitoring capabilities.

Installation and Compatibility Overview

With its versatile design, the Primo 11.4-1 ensures easy installation and compatibility with various PV modules, making it adaptable to any residential setup.

Benefits and Applications Overview

This inverter not only maximizes your solar investment but also supports a sustainable energy future. It's perfectly suited for residential applications requiring efficient and reliable solar energy conversion.

Specification Value
Model PRIMO 11.4-1
Recommended PV power (kWp) 9.1 - 13.7 kW
Max. Input Current (MPPT 1/MPPT 2 - 33.0 / 18.0 A) (MPPT 1+MPPT 2 - 51 A)
Nominal Input Voltage 660 V
Max. Input Voltage 1000 V
Max. Output Power (208V / 240V) 11,400 VA
Max. Continuous Output Current (208V / 240V) 54.8 A / 47.5 A
Frequency Range 45-55 Hz / 50 - 66 Hz
Max. Efficiency 96.7 %
CEC Efficiency 600 V/1,000 V 96.0 % / 96.5 %
Cooling Variable speed fan
Warranty 10 years / extensions up to 15 and 20 years available 1

Why Choose Green Vista Living


At Green Vista Living, we’re passionate about providing top-quality renewable energy and eco-friendly products that not only enhance your life but also help protect the planet. We’ve built our business with one mission in mind: to be the go-to destination for renewable energy solutions, outdoor gear, and off-grid supplies. When you shop with us, you’re not just getting innovative products—you’re joining a community that’s committed to sustainability.

We Put Our Customers First


As a small, dedicated team, we care deeply about your experience. Unlike large, faceless online companies, Green Vista Living offers a personal touch in everything we do. We're here for you from start to finish—whether you need product advice, support after a purchase, or just have questions. Our knowledgeable customer service team is always just a phone call or email away, ready to assist you in any way possible.

We Share Your Passion for the Planet


Our love for the outdoors and sustainable living runs deep. Most of our team hails from the mountains of Colorado, where renewable energy and the environment are part of daily life. So when you call Green Vista Living, you’ll speak directly with an expert who understands both the technical side of renewable products and the lifestyle they support. Whether you’re looking for solar generators, EV chargers, or any of our eco-friendly offerings, you can trust us to guide you with expertise and passion.

Trusted Industry Experts


Our close partnerships with the best brands in renewable energy and outdoor gear give us insider knowledge that you won’t find anywhere else. We’ve taken the time to carefully select products that stand out for their quality and reliability. At Green Vista Living, we believe in understanding our products inside and out so that we can help you make the right choice with confidence.

More Reasons to Love Green Vista Living


Price Match Guarantee: Thanks to our partnerships, we offer the best prices around. If you find a better deal, we’ll refund the difference.


Free Shipping: We offer free shipping on most orders to the lower 48 U.S. states, making your shopping experience even easier.


100% Secure Ordering: Our site uses SSL Encryption technology to keep your payment and personal information safe and secure.


Volume Discounts: For large orders, we’re happy to provide special pricing—just reach out for a custom quote.


Authorized Dealer: As an authorized dealer for all our brands, you’ll receive full manufacturer warranties with every order.


At Green Vista Living, we aim to make your renewable energy and outdoor experience as seamless and enjoyable as possible. With our unmatched customer service, expertise, and dedication to quality, you can shop with confidence, knowing you’re supporting a company that’s as committed to the planet as you are.

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

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