Many San Jose homeowners consider cleaning their solar panels themselves, but DIY solar panel cleaning can pose serious risks. Climbing onto a roof without proper safety equipment is dangerous, especially on multi-level homes or those with steep slopes like in Silver Creek or Almaden. Even more concerning, using the wrong water source or tools can cause permanent damage. Hard tap water leaves mineral stains, while abrasive brushes or pressure washers can scratch the glass and reduce panel efficiency. Professional solar panel cleaning in San... read full review »