In Pasadena, CA, dust, pollen, and hard water mineral deposits settle on rooftop solar arrays and quietly cut into energy production, a challenge made worse by San Gabriel Valley smog and pollen plus coastal fog cycles near Old Town, Colorado Boulevard, and the Craftsman streets of Bungalow Heaven. Empire Pressure Washing uses purified water and soft brush techniques so panels come out clean without any risk of scratching the glass or voiding the manufacturer warranty. Regular cleaning keeps Pasadena, CA solar systems producing at full capacity so homeowners get the energy savings they invested in, and every visit is backed by our licensed, insured, satisfaction guaranteed service.