Solar panel cleaningCoastal Orange County
Salt film off.
Sunlight back in.
Coastal salt, dust and bird droppings cleaned off your panels with deionized water and soft brushes. No harsh chemicals, no pressure, no water spots.
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Locally ownedOrange County crew
- Clay & concrete tile roofs
- Stucco & siding
- Driveways & pavers
- Gutters & downspouts
- Solar arrays
- Windows, frames & tracks
- Window screens
- Plant-safe solutions
- Upfront pricing
Solar Panel Cleaning
Rain doesn't clean your panels.
Near the coast, salt carried on the breeze mixes with marine layer moisture and dries into a sticky film on panel glass. That film catches dust, pollen and bird droppings, and it builds faster than it does inland. Rain loosens some dust but mostly moves the rest around. The result is a haze between the sun and your cells, and it rarely goes away on its own.
Panels need a gentle approach. High pressure can damage glass and seals, and harsh chemicals or tap water can leave residue and mineral spots. We clean with deionized, purified water and soft, professional-grade brushes, which lift the film and dry clear without spotting. Home roofs, HOA buildings and commercial rooftop arrays all get the same method.
- Homeowners with solar
- HOAs
- Commercial rooftop arrays
Know the signs
Signs your panels are due
A visible haze across the glass
- What it means
- Salt and dust film that rain hasn't removed.
- What we do
- A soft brush pass with deionized water, then a spot-free rinse.
Bird droppings on the panels
- What it means
- Concentrated spots that shade part of a panel.
- What we do
- Softened with water and brushed off, without scraping the glass.
Panels look dull, not reflective
- What it means
- Buildup is sitting between the sun and your cells.
- What we do
- A full clean of every panel in the array.
Output lower than the same month last year
- What it means
- Dirt is one possible cause, especially near the coast.
- What we do
- Clean the panels, then compare. If output stays low, it's worth a call to your installer.
How we do it
How we clean solar panels
Deionized water and soft brushes
Tap water carries minerals that dry as spots on glass. Deionized water has those minerals removed, so it rinses clean and dries spot-free. We pair it with soft, professional-grade brushes on a water-fed pole: enough agitation to lift salt film and droppings, gentle enough for the glass. No harsh chemicals, and no pressure washer anywhere near your panels.
- 01
Look over the array
We check access, the roof around the panels, and any heavy spots like droppings before we start.
- 02
Wet and soften
Panels are wetted with deionized water so dried-on salt and droppings soften before any brushing.
- 03
Brush every panel
Soft, professional-grade brushes work across each panel to lift film and grime.
- 04
Spot-free rinse
A final deionized rinse carries everything off. It dries clear, so no water spots are left on the glass.
- 05
Windows come after
On a full exterior visit, solar is cleaned before the windows, so runoff never lands on finished glass.
Watch it on the job
Solar Panel Cleaning, on camera.
Straight from our Instagram. Tap a reel to play it with sound.
FAQ
Solar Panel Cleaning: questions, answered.
Something else on your mind? Call or text (949) 371-6307.
How often should solar panels be cleaned in Orange County?
Every 6 to 12 months for most homes. Panels near the beach collect salt film faster and usually need the shorter interval. Homes farther inland, with less salt in the air, can often go the full year.
Doesn't rain clean my panels?
Not really. Rain moves loose dust around, but it doesn't remove salt film, bird droppings or sticky buildup, and it can leave residue behind as it dries. A proper clean takes the film off completely.
Can you pressure wash solar panels?
No, and we don't. High pressure can damage the glass, the seals and the frame. We use deionized water and soft brushes, which clean the surface without force or harsh chemicals.
Why deionized water?
Regular tap water carries minerals that are left behind as spots and streaks when it dries. Deionized water has those minerals removed, so it rinses clean and dries clear, leaving nothing on the glass to block light.
Will cleaning improve my output?
If dirt is what's holding the panels back, yes: removing the film lets more sunlight reach the cells. How much depends on how dirty they were. If output stays low after a clean, check with your installer.
Do you clean panels on tile roofs?
Yes. Plenty of Orange County solar sits on clay or concrete tile, and we work carefully around it. Panels can be cleaned on the same visit as a roof wash, right after the roof.
Pairs well with
Book it together. One visit.
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Roof WashingSoft wash for clay and concrete tile
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Window CleaningInside and out, with deionized water
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Full Exterior CleaningEvery surface, one visit, windows last
- Free quote Not sure what you need? Send a few photos and we'll tell you what we'd clean and how. Get a free quote
Solar Panel Cleaning near you
Free, no-obligation quotes
Ready for a cleaner home?
Tell us what needs cleaning, or text a few photos. We'll come back with a clear, upfront price.