CertainTeed Review 2026
CertainTeed manufactures 2 models across solar panels. Efficiency range 15.4%–19.9%.
Headquartered in United States · Manufacturing in United States
Founded 1904 by George M. Brown · Headquartered in Malvern, Pennsylvania, United States
Parent company: Saint-Gobain (EPA:SGO)
CertainTeed at a glance
Certifications: IEC 61215 · IEC 61730 · UL 1703 · CEC Listed
Warranty: 25-yr product · 25-yr performance
Key milestones
- 1904 Founded as General Roofing Manufacturing Company
- 2014 Entered solar shingle/integrated roof solar market
Source: www.certainteed.com/solar · Last updated 2026-05-27
CertainTeed Pros & Cons (data-driven)
+ Pros
- ✓ Average product warranty 12.5yr exceeds industry baseline 12yr
- ✓ US manufacturing available (Buy American / domestic content benefits)
− Cons
- ✗ Average panel efficiency 17.6% trails industry baseline 21%
- ✗ Weaker heat tolerance (-0.38%/°C vs industry -0.32%/°C)
Pros and cons calculated against industry baselines: 21% panel efficiency, 12yr panel warranty, -0.32%/°C temp coeff, 90% battery RTE.
Current CertainTeed Product List (2)
Solar Panels (2)
| Model | Wattage | Efficiency | Warranty | Verified | Score | Details |
|---|---|---|---|---|---|---|
| Solstice Solar Panel 365W | 365W | 19.9% | 10/25 yr | ✓ | 67 (C+) | View → |
| Solstice Solar Shingle | 70W | 15.4% | 15/25 yr | — | 55 (C) | View → |
Spec Sheet Downloads
2 manufacturer-published datasheets available for CertainTeed products. All links go to the official PDF on the manufacturer's website.
- PDF CertainTeed Solstice Solar Shingle datasheet →https://www.certainteed.com/products/solar-products/solstice-shingle
- PDF CertainTeed Solstice Solar Panel 365W datasheet →https://www.certainteed.com/resources/CertainTeedUSSeriesSolarModuleTDS.pdf
Recent CertainTeed News
SolarSpec does not republish third-party news. For the latest CertainTeed news — product launches, financial filings, recalls, supply-chain updates — search Google News directly.
Search CertainTeed news on Google News →Related Brands
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Frequently Asked Questions
What is the SolarSpec Score for CertainTeed?
CertainTeed earns a SolarSpec Score of 61/100 (Grade C+) based on the weighted average of all 2 models in their 2026 lineup. The score combines efficiency, warranty, temperature coefficient, and verification status. See our /methodology/ page for the full formula.
How many solar products does CertainTeed offer in 2026?
CertainTeed offers 2 products in their 2026 lineup: 2 solar panels.
What is the most efficient CertainTeed solar panel?
The most efficient CertainTeed solar panel is the Solstice Solar Panel 365W at 19.9% efficiency with 365W output. CertainTeed panels range from 15.4% to 19.9% efficiency across 2 models.
What warranty does CertainTeed offer on solar panels?
CertainTeed offers up to 15-year product warranty and up to 25-year performance warranty. Average annual degradation across the lineup is 0.57%.
Where are CertainTeed solar panels manufactured?
CertainTeed solar panels are manufactured in United States.
Where can I download CertainTeed datasheets?
We have direct manufacturer-published datasheet links for 2 of 2 CertainTeed products. See the Spec Sheet Downloads section below for direct PDF links.
How we score brands
Every CertainTeed model in our catalog is scored 0-100 using a transparent formula: efficiency (25 pts), product warranty (20 pts), performance warranty bonus (3 pts), temperature coefficient (12 pts), and datasheet verification (5 pts), on a 50-point baseline. The brand-level score is the simple average across all 2 models.
Read the full SolarSpec methodology →