CertainTeed Solstice Solar Shingle vs CertainTeed Solstice Solar Panel 365W
The CertainTeed Solstice Solar Panel 365W wins this comparison by a decisive margin. It leads in efficiency (19.9% vs 15.4%). For most residential installations, the CertainTeed Solstice Solar Panel 365W is the stronger choice.
Key Differences
- • CertainTeed Solstice Solar Shingle is rated at 70W while CertainTeed Solstice Solar Panel 365W is rated at 365W, a 295W difference.
- • CertainTeed Solstice Solar Panel 365W achieves 19.9% efficiency vs 15.4% for the other, a 4.5 percentage point gap.
- • CertainTeed Solstice Solar Shingle comes with a 15-year product warranty vs 10 years for the other.
- • CertainTeed Solstice Solar Panel 365W has a superior temperature coefficient of -0.36%/°C vs -0.4%/°C, retaining more power in hot climates.
- • CertainTeed Solstice Solar Shingle uses Monocrystalline cells while CertainTeed Solstice Solar Panel 365W uses Monocrystalline PERC cells, representing different technology generations.
Specifications Breakdown
Module Efficiency
The CertainTeed Solstice Solar Panel 365W achieves 19.9% module efficiency compared to CertainTeed Solstice Solar Shingle's 15.4%, meaning CertainTeed Solstice Solar Panel 365W converts 4.5 percentage points more sunlight into electricity per square meter. In practical terms, the CertainTeed Solstice Solar Shingle produces 101.8 watts per square meter of panel area while the CertainTeed Solstice Solar Panel 365W produces 199.2 W/m². For rooftop installations where space is limited, this efficiency gap determines how many kilowatts you can fit on your available roof area. Over a 25-year system life, even a small efficiency advantage compounds into meaningful additional energy production.
Power Output
The CertainTeed Solstice Solar Panel 365W delivers 365W per panel versus 70W for the CertainTeed Solstice Solar Shingle, a 295W difference per module. To build an 8 kW residential system, you would need 115 CertainTeed Solstice Solar Shingle panels or 22 CertainTeed Solstice Solar Panel 365W panels. Choosing the higher-wattage option saves 93 panels, reducing total racking hardware, wiring, and installation labor costs. Higher wattage per panel is particularly valuable for commercial-scale installations where panel count directly impacts balance-of-system costs.
Temperature Coefficient
The CertainTeed Solstice Solar Panel 365W has a temperature coefficient of -0.36%/°C versus -0.4%/°C for the CertainTeed Solstice Solar Shingle. On a hot summer day when cell temperature reaches 65°C (40°C above the 25°C STC baseline), the CertainTeed Solstice Solar Panel 365W retains 92.8% of its rated power while the other retains 92.0%. While the numerical gap is modest, it still accumulates over decades of summer production, especially in southern latitudes with prolonged peak heat hours.
Warranty Coverage
The CertainTeed Solstice Solar Shingle is backed by a 15-year product warranty and 25-year performance guarantee, while the CertainTeed Solstice Solar Panel 365W offers 10-year product and 25-year performance coverage. The CertainTeed Solstice Solar Shingle provides 5 additional years of defect protection, covering manufacturing issues, material failures, and premature performance loss. Based on their published degradation rates (2.5% first year then 0.6%/year for CertainTeed Solstice Solar Shingle; 2% first year then 0.55%/year for CertainTeed Solstice Solar Panel 365W), after 25 years the CertainTeed Solstice Solar Shingle should retain approximately 83.1% of original output versus 84.8% for the CertainTeed Solstice Solar Panel 365W. This 1.7 percentage point gap in end-of-life output meaningfully impacts lifetime energy economics.
Physical Dimensions & Weight
The CertainTeed Solstice Solar Shingle measures 2184×315×13mm and weighs 5.9 kg, while the CertainTeed Solstice Solar Panel 365W measures 1755×1044×40mm at 21.6 kg. 0.69 m² of panel area for the CertainTeed Solstice Solar Shingle versus 1.83 m² for the CertainTeed Solstice Solar Panel 365W. The CertainTeed Solstice Solar Shingle is 15.7 kg lighter per panel, which reduces structural load requirements on the roof and makes handling easier during installation. For a 20-panel system, that is a total weight difference of 314 kg. The more compact CertainTeed Solstice Solar Shingle may be easier to fit on irregularly shaped or space-limited rooftops.
Specification Comparison
| Specification | CertainTeed Solstice Solar Shingle | CertainTeed Solstice Solar Panel 365W |
|---|---|---|
| Power | 70W | 365W |
| Efficiency | 15.4% | 19.9% |
| Power Density | 9.5 W/sq ft | 18.5 W/sq ft |
| Cell Type | Monocrystalline | Monocrystalline PERC |
| Bifacial | No | No |
| Weight | 5.9 kg | 21.6 kg |
| Temp Coefficient | -0.4%/°C | -0.36%/°C |
| Snow Load | 5400 Pa | 5400 Pa |
| Wind Load | 2400 Pa | 2400 Pa |
| Product Warranty | 15 years | 10 years |
| Performance Warranty | 25 years | 25 years |
| Degradation (Year 1) | 2.5% | 2% |
| Annual Degradation | 0.6% | 0.55% |
| Country | United States | United States |
5-Dimension Head-to-Head Analysis
1. Efficiency & Power Density
Winner: CertainTeed Solstice Solar Panel 365WThe CertainTeed Solstice Solar Panel 365W achieves 19.9% efficiency versus 15.4% — a 4.5 percentage point advantage. On a typical 30-panel residential roof, this translates to approximately 8.8 kW more total system capacity, or 40 kWh more annual production in an average US location.
2. Hot Climate Performance
Winner: CertainTeed Solstice Solar Panel 365WThe CertainTeed Solstice Solar Panel 365W has a better temperature coefficient of -0.36%/°C versus -0.4%/°C. On a 45°C summer day (20°C above STC), the winner retains 92.8% of rated power versus 92.0%. The difference is modest but accumulates over 25 years of summer production.
3. Durability & Warranty
Winner: CertainTeed Solstice Solar ShingleCertainTeed Solstice Solar Shingle leads with a 15-year product warranty versus 10 years. CertainTeed Solstice Solar Panel 365W degrades more slowly at 0.55% per year versus 0.6%. After 25 years, expect 83.1% vs 84.8% of original output for CertainTeed Solstice Solar Shingle and CertainTeed Solstice Solar Panel 365W respectively.
4. Power Output
Winner: CertainTeed Solstice Solar Panel 365WThe CertainTeed Solstice Solar Panel 365W delivers 365W versus 70W per panel — 295W more. For an 8 kW system, you need 22 panels with the higher-wattage option versus 115 panels, saving 93 panels and the associated racking and labor costs.
5. Cell Technology
Winner: CertainTeed Solstice Solar ShingleThe CertainTeed Solstice Solar Shingle uses Monocrystalline: Monocrystalline. The CertainTeed Solstice Solar Panel 365W uses Monocrystalline PERC: PERC (Passivated Emitter Rear Cell) is the current mainstream technology, offering good efficiency at the lowest manufacturing cost. Monocrystalline represents a newer generation technology with a longer performance runway as manufacturing matures.
CertainTeed Solstice Solar Shingle
The CertainTeed Solstice Solar Shingle is a building-integrated photovoltaic (BIPV) product that replaces standard asphalt roofing shingles while generating electricity. Made by CertainTeed (a Saint-Gobain subsidiary), each 70W shingle integrates seamlessly with conventional asphalt roofing for a low-profile, aesthetically clean solar installation. Installed cost is $4.50-$6.00/W.
Pros
- + Seamless integration with asphalt roofing
- + Low-profile aesthetics — nearly invisible as solar
- + Class A fire rating
- + Made in the USA
- + 15-year product warranty backed by Saint-Gobain
- + Dual function as roof covering and power generation
Cons
- - 15.4% efficiency significantly lower than conventional panels
- - 70W per shingle requires many units for meaningful output
- - $4.50-$6.00/W installed — 2-3x the cost of standard panels
- - Higher temperature coefficient due to flush roof mounting
- - Limited installer availability — requires certified roofers
CertainTeed Solstice Solar Panel 365W
The CertainTeed Solstice Solar Panel 365W is a conventional residential solar panel from CertainTeed (Saint-Gobain), using monocrystalline PERC half-cut cells. Designed to pair with CertainTeed roofing products for a coordinated roof-and-solar installation through certified roofing contractors.
Pros
- + Made in the USA by Saint-Gobain subsidiary
- + 10-year product warranty — strong for US-manufactured panel
- + Designed for seamless pairing with CertainTeed roofing
- + Half-cut PERC cells for partial shade resilience
- + Available through established roofing contractor network
Cons
- - 19.9% efficiency below current N-Type leaders
- - 365W output lower than modern 400W+ panels
- - Heavier at 21.6 kg than comparable wattage panels
- - Higher cost per watt than budget alternatives
- - Limited distribution outside CertainTeed roofing dealers
Choose CertainTeed Solstice Solar Shingle If...
- ✓ Long-term warranty protection is a top priority and you plan to stay in your home for 15+ years
- ✓ Homeowners who prioritize roof aesthetics and want solar that blends invisibly with traditional roofing, especially in HOA-restricted neighborhoods.
Choose CertainTeed Solstice Solar Panel 365W If...
- ✓ Your roof space is limited and you need maximum power per panel
- ✓ You want fewer panels to reach your target system size, reducing racking and labor costs
- ✓ You live in a hot climate (Arizona, Texas, Florida) where heat performance matters
- ✓ You want maximum output retention over the system's 25-30 year lifespan
- ✓ Homeowners doing a combined roof replacement and solar installation through CertainTeed-certified contractors.
Our Recommendation
The CertainTeed Solstice Solar Panel 365W is the decisive winner in this solar panel comparison, outperforming the CertainTeed Solstice Solar Shingle in 3 of 5 dimensions. Unless you have a specific requirement that the CertainTeed Solstice Solar Shingle uniquely addresses, the CertainTeed Solstice Solar Panel 365W is the stronger choice for virtually every installation scenario.
Frequently Asked Questions
Which is better, CertainTeed Solstice Solar Shingle or CertainTeed Solstice Solar Panel 365W?
The CertainTeed Solstice Solar Panel 365W wins this comparison by a decisive margin. It leads in efficiency (19.9% vs 15.4%). For most residential installations, the CertainTeed Solstice Solar Panel 365W is the stronger choice.
Which panel is more efficient, CertainTeed Solstice Solar Shingle or CertainTeed Solstice Solar Panel 365W?
The CertainTeed Solstice Solar Panel 365W at 19.9% module efficiency. Higher efficiency means more watts per square foot of roof space, which is critical for space-constrained installations. The difference of 4.5 percentage points translates to approximately 295W per panel under standard test conditions.
Which has a better warranty, CertainTeed Solstice Solar Shingle or CertainTeed Solstice Solar Panel 365W?
The CertainTeed Solstice Solar Shingle comes with a 15-year product warranty and 25-year performance guarantee. The CertainTeed Solstice Solar Panel 365W offers 10-year product and 25-year performance warranties. CertainTeed Solstice Solar Shingle provides 5 additional years of product coverage.
Which panel performs better in hot weather?
The CertainTeed Solstice Solar Shingle has a temperature coefficient of -0.4%/°C and the CertainTeed Solstice Solar Panel 365W is -0.36%/°C. CertainTeed Solstice Solar Panel 365W retains more power in heat — important in states like Arizona, Texas, and Florida. A lower (less negative) temperature coefficient is better.
How many CertainTeed Solstice Solar Shingle vs CertainTeed Solstice Solar Panel 365W panels do I need for an 8 kW system?
For an 8 kW system: you need 115 CertainTeed Solstice Solar Shingle panels (70W each) or 22 CertainTeed Solstice Solar Panel 365W panels (365W each). The CertainTeed Solstice Solar Panel 365W requires fewer panels, saving on racking hardware and installation labor.
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Last updated: February 2026