Silfab solar panels

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Silfab 440W Solar Panel 108 Cell N-Type All-Black SIL-440 QD DCA4 Assembled in USA

Rated Power Output 440 W
Voltage (VOC)38.97 V
Number of cells108 Cell
Cell TypeMonocrystalline

Overview
Articles

Silfab Solar Panels for Sale

High-efficiency North American-made solar panels with up to 22.6% efficiency and 30-year warranties

Silfab Solar is the North American leader in the design, development and manufacture of high-efficiency, premium solar panels. Silfab leverages 40 years of solar experience and best-in-class technologies to produce the highest-rated solar modules from facilities in the state of Washington and Toronto, Canada. Silfab Solar, which operates state-of-the-art manufacturing sites in the state of Washington and Canada, is expanding its USA footprint to add 1 gigawatt America-made cell production and another 1.3 gigawatts of module production at a new South Carolina facility in 2024.

Because of its commitment to the U.S. solar industry and high-quality products, our solar experts ranked Silfab #4 on our Best Solar Panel Brands of 2025 list. Automation combined with multiple quality control checks and rigorous testing ensure top quality modules every time, earning Silfab Solar Top Performer status in the PVEL Industry Scorecard.

Why Choose Silfab Solar Panels?

🏭 North American Manufacturing Excellence

Each facility features multiple automated ISO 9001-2015 quality certified production lines utilizing just-in-time manufacturing to deliver Buy American approved PV modules specifically designed for and dedicated to the North American market. This strategic positioning eliminates tariff risks while supporting local manufacturing jobs and ensuring supply chain reliability.

⚡ Superior Efficiency and Performance

Silfab solar panels have great efficiency ratings comparable to similar solar panel brands. Most panels today land somewhere between 19% and 21% efficient. The Prime NTC model even broke the 22% mark, closing the gap between Silfab and premium solar brands like Maxeon. In fact, the manufacturer claims that Silfab Elite is the most efficient among North American panels.

🛡️ Industry-Leading Durability Standards

Silfab panels demonstrate exceptional wind resistance with maximum wind loads up to 5,400 Pascals, making them ideal for areas experiencing hurricanes and severe weather. The smaller cells are also less likely to crack under stress because of their smaller surface area, making the Silfab Prime extra durable.

📜 Comprehensive Warranty Coverage

Product Warranty 25 years. Linear Power Performance guarantee 30 years. Silfab offers both of these, and the production warranty is one of the longest in the industry.

Silfab Solar Panel Product Lines

Silfab Elite Series - Premium Residential

Additionally, the Silfab Elite panels use "back contact" solar cells, which reduces the impact of shading and allows more solar energy to be collected by each cell. The combination of PERC and back contact technology improves the Silfab Elite's overall efficiency. Available in sleek all-black aesthetics with power outputs ranging from 380W to 420W.

Silfab Prime Series - Core Residential

The Silfab Prime series is a premium-quality, half-cell solar panel. The newest iteration of the Silfab Prime uses N-Type TOPCon solar cell technology. The Silfab Prime is available between 370 watts and 430 watts. Still, the SIL-370 HC panels have an efficiency rating of 20.2%, which is still well above the industry average. These panels are all black and have no visible grid lines, which most customers prefer.

Silfab Commercial & Utility Series

Designed for large-scale installations, these bifacial panels offer nearly 23% efficiency ratings with improved shade tolerance and low-light performance capabilities.

Silfab vs Competition - Technical Comparison

Feature	Silfab Prime 440W	Canadian Solar 550W	Jinko Solar 575W	LONGi Solar 570W
Power Output	440W	550W	575W	570W
Efficiency (%)	22.6%	22.9%	22.8%	22.3%
Manufacturing Origin	USA/Canada	Asia	China	China
Tariff Risk	None (Buy American)	Medium	High	High
Product Warranty	25 Years	12 Years	15 Years	12 Years
Performance Warranty	30 Years	25 Years	25 Years	25 Years
Wind Load Rating	5,400 Pa	2,400 Pa	2,400 Pa	2,400 Pa

Customer Reviews & Industry Recognition

"Silfab Solar is honored to be awarded the Number 2 Best Solar Panel Manufacturer for 2024. Our significant rise in the ranking is a testament to Silfab's long and successful made-in-America production of high-performing, durable solar modules,"

— Paolo Maccario, Silfab President and CEO

"After monitoring these panels for 3 years, I was expecting to see a dropoff in their production, Amazingly enough i am get the exact same production today as I was 3 Years ago. absolutely impressed."

"Made in North America - couldn't be happier!"

Overall, Today's Homeowner recommends Silfab Solar and gives this company a 3.8/5 rating. Overall the reviews of Silfab solar panels highlight a positive view. The product is well-regarded for its energy efficiencies and durability. The summaries indicate excellent performance and high-quality solar panels, suggesting a strong recommendation for Silfab solar panels.

Frequently Asked Questions

How much do Silfab solar panels cost?

The average installation cost of a typically-sized Silfab Solar system will fall between $18,000 and $20,000, before incentives. Silfab occupies the middle of the price range in the industry. Silfab solar panels prices are comparable to the ones of other American manufacturers, like Mission Solar and Canadian Solar.

Are Silfab solar panels good quality?

Overall, we would say that Silfab is a fine brand. Maybe there isn't anything super special about their panels, except slightly longer output warranty, but their modules are well-made, look great, provide good output and come at a fair price.

What installation support is available?

Silfab offers customers a comprehensive list of local distributors that will handle solar installation matters. The company provides technical support and works with certified installers across North America.

What financing options are available?

The federal Investment Tax Credit allows homeowners to deduct 30% of purchase and installation expenses from federal taxes. Many certified installers offer solar loans, power purchase agreements, and other financing solutions for Silfab solar panels for sale.

How do Silfab solar panel reviews compare to competitors?

Silfab Solar jumping from #7 last year to #2 — and leap-frogging several global PV brands — is definitely notable. Customer satisfaction remains high with consistent performance over multiple years of operation.