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Arrow Energy
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Directory → Energy & Solar Products → Washington → DemoKingSolar
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DemoKingSolar
Residential Solar, Commercial Solar, Battery Storage, Solar Financing .
What DemoKingSolar does
Demo King Solar is a solar panel installer for homes and commercial spaces, stating more than 25 years of industry experience. Its services include solar panel and battery installation, battery storage systems for nighttime use or power outages, and maintenance plans covering routine cleaning, performance monitoring, and troubleshooting. The company also offers panel removal and reinstallation at a new location and solar financing plans. The site says its installers hold NABCEP, UL 1703, MCS, and Solar PV certifications.
Summarised from the business's own website, checked October 2026. Not written or endorsed by the business.
About
Here at Demo King Solar! We can provide solar services.
Buying solar or energy products
Solar is a long-term investment. Compare the warranties on panels, inverter and installation separately, and check estimates of savings are realistic.
What to check
- Accredited installers where you live
- Separate warranties for panels, inverter and workmanship
- A savings estimate based on your actual usage
- Who handles permits and grid connection
Questions to ask
- What is the payback period, and how did you calculate it?
- What maintenance is needed?
- Who do I call if the system stops working?
Customer reviews
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