Because dirty panels don’t just look bad, they cost you money. Studies consistently show that soiled solar panels lose between 15% and 30% of their energy output.
Bird fouling, pollen, dust, and algae block cells. A professional clean restores full performance fast.
We provide the service report that keeps your warranty intact.
Bird fouling is acidic. Salt residue is corrosive. Left alone, both permanently reduce panel efficiency. Regular cleaning stops that.
Facilities managers need maintenance records. We provide written documentation after every visit.
Our process is methodical, safe, and designed specifically for commercial-scale installations without disrupting your operations.
We inspect the full array, identify soiling type, confirm access, and scope the job before anything starts.
Loose fouling and debris removed first, before water touches the panels, to prevent abrasive scratching.
Deionised water, low pressure. No harsh chemicals on panel surfaces. No streaking, no mineral deposits, no damage.
Frames, mounting rails, and surrounding rooftop areas cleaned to prevent debris migrating back onto your array.
Panel condition documented before and after. Handed to you for your maintenance records. Every time.
Sun SoftWash is New Zealand’s trusted name in exterior cleaning. We use eco-friendly methods and the right gear to bring homes and businesses back to life, without damage, without shortcuts.
Kiwi-owned and operating across Auckland, Hamilton, Tauranga, and Waikato.
Purified water only on panel glass. Safe for your system, your roof, and your warranty.
Early mornings, weekends, staged access for large arrays. Your operations don't stop for us.
Get answers to common questions about our commercial solar panel cleaning services.
Most commercial solar panels should be professionally cleaned every 6 to 12 months. Coastal sites, warehouses, and buildings with high bird activity usually need more frequent solar panel maintenance to maintain peak energy output.
No. Our commercial solar panel cleaning process follows manufacturer-approved cleaning methods. Regular documented maintenance can help support your solar panel warranty requirements.
Yes. We provide rooftop solar panel cleaning and ground-mounted solar panel cleaning for commercial properties across Auckland, Hamilton, Tauranga, and wider Waikato regions.
Yes, every time. Written service report included as standard on every commercial clean.
Yes. Contracted clients get priority scheduling and discounted rates. Contact us to discuss a plan for your site.
Yes. We use purified water on panel glass and eco-friendly supplementary products where needed around frames and rooftop areas. Our solar panel washing service is safe for surrounding roofing materials.
Commercial solar panel cleaning is priced per panel, starting from $10 + GST per solar panel. Final pricing depends on panel access, system size, roof height, and overall site complexity. Scheduled maintenance cleans are available at discounted rates for commercial sites.
Yes. Dirty solar panels can lose 15% to 30% of their energy output due to dust, bird droppings, pollen, and surface buildup. Professional solar panel cleaning helps restore system efficiency and maintain long-term performance.
