When you hear CertainTeed, you probably picture roofing shingles. Yet the 120-year-old building-products giant also manufactures high-efficiency solar panels and does so on American soil. For homeowners who value domestic content, a rock-solid warranty, and a fair price-per-watt, CertainTeed solar panels deserve a spot on the shortlist.
Why Choose CertainTeed Solar
🇺🇸 Made in USA
Manufactured in Pennsylvania with domestic supply chain
⚡ High Efficiency
Up to 20.5% efficiency with half-cell PERC technology
🛡️ Superior Warranty
25-year power 10-year product warranty
💰 Competitive Price
Below-average $/W pricing with excellent value
"CertainTeed's 400 W panel gives us a U.S. product at $0.72/W—customers love the domestic angle and we like the sturdy 30 mm frame."
— Terry Shin, Mountain West Solar (UT, 2025)
Product Line-Up at a Glance
Solstice Half-Cell 400 W (CTM10400HC11-08)
108 half-cut mono PERC cells
20.5% module efficiency
1 000 V system voltage; 5 400 Pa snow load
Solstice 320 W Mono
Classic 60-cell format, 19.5% efficiency
Lower price-per-watt for budget retrofits
Solstice Shingle
Nailing strip installs like asphalt shingle
70 W per piece; 113 mph wind rating
Series
Power
Efficiency
Warranty
Ideal use-case
400 W Half-Cell
400 W
20.5%
25 yr / 10 yr
Space-limited roofs
320 W Mono
320 W
19.5%
25 yr / 10 yr
Budget installs
Solstice Shingle
70 W ea.
≈ 18%*
25 yr / 10 yr
HOA & reroof jobs
*Front-side equivalent efficiency.
Performance & Warranty—How Do They Stack Up?
Degradation curve: 2% first year, then 0.54%/yr — 86% power at year 25.
Service promise: CertainTeed dispatches its nationwide roofing network for onsite support, eliminating finger-pointing.
TÜV hail test: No fractures after 25 mm ice balls at 23 m/s.
Metric
CertainTeed 400 W
SunPower Maxeon 6
Jinko Eagle Neo N-Type
Efficiency
20.5%
22.6%
21.5%
Warranty
25 / 10 yrs
40 / 40 yrs
25 / 12 yrs
U.S. made?
Yes
Partial
No
Pallet price
$0.70–0.75
$0.71
$0.57
Certifications & Testing
Feature
Certification/Standard
Benefit
PID-free design
TUV Rheinland IEC 62804
1% annual degradation cap
Safety & construction
IEC 61215/61730 (2023 ed.)
Global code compliance
Quality system
ISO 9001/14001/45001
Robust QA/HSE culture
Bifacial energy modeling
NREL bifacial PV performance study
Predictable rear-side gain
Frequently Asked Questions
Are CertainTeed Solar panels Tier 1?
Yes, CertainTeed is considered a Tier 1 solar panel manufacturer based on their financial stability, manufacturing scale, and vertical integration. They have been in business for over 120 years and maintain automated production lines with significant investment in R&D.
Where are CertainTeed solar panels made?
CertainTeed solar panels are manufactured in the United States, specifically at their facility in Pennsylvania. This makes them one of the few major solar panel manufacturers with domestic production, which can be important for certain incentive programs and buyers who prefer American-made products.
What is the CertainTeed solar warranty?
CertainTeed offers a comprehensive warranty package: 25-year power output warranty guaranteeing 86% power at year 25, and a 10-year product warranty covering manufacturing defects. They also provide nationwide service support through their established roofing contractor network.
Can I buy CertainTeed Solar panels in the USA?
Yes, CertainTeed solar panels are available for purchase throughout the United States through authorized distributors like A1 SolarStore. They offer both wholesale pricing for installers and retail sales for DIY projects.