Free bill analysis - bring a power bill, get the production math for your actual roof, panel brands like Qcells and REC compared side by side
If the pitch starts at your door and ends with "sign tonight for the special," sleep on it. The sun will still be there tomorrow; so will we.
Fast, Reliable Solar Panel Cleaning Across Fullerton
Solar panel cleaning in Fullerton runs $140-$320 for a typical residential array under 30 panels, and most homes are done in under two hours. We are Gus Petrakis’s own crew, and we have been keeping Fullerton’s panels producing since 2011. If you call (877) 550-6892, a live person answers. We will tell you straight what your cleaning should cost before we ever put a ladder on your property.
Fullerton is not like other Orange County solar markets. The split between Fullerton Public Utilities and Southern California Edison changes how soiling hits your true-up statement, and most cleaning companies never bother to ask which utility serves your address. We do. It changes how we quote, when we schedule, and how we explain what the cleaning is actually worth on your bill.
Why Gus’s Solar Is Fullerton’s Preferred Solar Panel Cleaning Company
Gus Petrakis started this company in 2011 and put his own name on the truck. That is not a marketing line. When you call about a panel cleaning in Fullerton, you are calling a local shop with a published address, a license number, and an owner who answers his own phone at 2 a.m. if your system alerts the monitoring app.
Our technicians are background-checked and uniformed, and they are our own crew, not a subcontractor we found on a job board. Fullerton homeowners keep telling us the same thing: the last national outfit that sold them their system stopped answering calls the week after install. We are the ones who come back. Every solar job we do in Fullerton carries the 90-Day Done Right Promise in writing. If the cleaning is not done right, Gus makes it right, no argument.
Response time to Fullerton is same-day or next-day for most cleaning calls. If you are at 92832 near the downtown or up in 92835 toward Coyote Hills, we schedule around your day, not ours. Senior and veteran households get a 10% discount that never expires, because that is just how Gus runs the books.
Our Solar Panel Cleaning Services in Fullerton
Residential Panel Cleaning
Most Fullerton homes have 16-28 panels on roof planes that collect dust, sycamore debris, bird droppings, and the fine grit Santa Ana winds carry across the 57 freeway corridor. A residential cleaning in Fullerton typically runs $140-$260 depending on panel count and roof pitch. We use purified-water fed-pole cleaning wherever the roof allows, which means no soap residue and no mineral spotting from Fullerton’s municipal tap water.
For older homes in 92832 and 92833, especially the pre-war Craftsman bungalows and Spanish Colonial revivals around the historic downtown, we adjust our approach. Those rooflines are steep, the access is tight, and the original sheathing does not need extra foot traffic. We can often clean from the ground or the alley side without ever putting weight on the sistered rafters.

Commercial Array Cleaning
Fullerton’s commercial rooftops along Commonwealth, Harbor, and up near the Brea border hold a mix of flat-mount and ballasted arrays. Commercial cleaning in Fullerton runs $0.08-$0.15 per watt, which on a 100kW array is $8,000-$15,000, with annual or semi-annual contracts bringing the per-clean rate down. For warehouses and office parks in the industrial pockets off Orangethorpe, we schedule early-morning work so we are off the roof before the summer heat drives panel temps past 140°F.

Bird & Critter Guard Installation
Pigeons are a real problem in Fullerton, especially under panels on ranch tracts in 92833 and 92836 where roof overhangs offer shaded nesting spots. We install galvanized mesh guards around the panel perimeter, and we include a full debris removal underneath before we secure the guard. Guard installation for a typical Fullerton home runs $380-$650 depending on array size and roofline complexity.

Debris & Soiling Removal
Soiling in Fullerton is not just dust. It is ash from wildfire season, sap and leaf litter from mature sycamores and oaks in the older 92832 neighborhoods, and brake dust from the 57. A focused debris removal and rinse for a standard Fullerton roof runs $120-$220. If your array has sat through a full dry season with no rain, expect us to spend the extra time on mineral-laden bird droppings that have baked onto the glass.
We also provide Solar Panel Cleaning as part of a broader maintenance plan that includes annual inspection and monitoring review, which catches failures before they cost you a month of production.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Fullerton
We clean and maintain panels from REC, Qcells, and SunPower, which covers the majority of residential arrays installed across Fullerton over the last decade. We keep common replacement parts and cleaning supplies stocked for these brands, so a Fullerton homeowner with a cracked Qcells panel or a loose SunPower microinverter housing is not waiting a week for a part to ship from a warehouse in another state. If your system came from a now-defunct installer, we can still service it. The hardware does not care who sold it.
Common Solar Panel Cleaning Problems We See in Fullerton Homes
- Mineral spotting on panels near the downtown core. Fullerton Public Utilities’ municipal water has higher dissolved solids than the SCE-served portions of the city. If a homeowner hoses down their own panels with untreated tap water, the spotting left behind cuts output until the next real rain. We use purified water specifically to avoid this.
- Ladder damage on 1950s ranch homes. The original fascia boards on 92833 ranch tracts are often brittle, and a 200-pound tech leaning a ladder against them cracks the wood. We use standoff arms and inspect the eave before we climb. It costs nothing extra, and it saves you a fascia repair.
- Santa Ana grit accumulation. When the wind kicks up through the Santa Ana canyon and across Fullerton, it carries fine dust that embeds in the panel surface. A post-storm cleaning restores production faster than waiting for rain, because Fullerton’s dry season can run six months.
- Bird nesting under panels on shaded overhangs. The mature tree canopy in neighborhoods like the area around Laguna Lake Elementary and the hillside streets off Bastanchury creates shade that keeps panel undersides cool and attractive to pigeons. Nests block airflow and trap heat, which accelerates microinverter wear.
Pricing for Solar Panel Cleaning in Fullerton, CA
A standard residential panel cleaning in Fullerton runs $140-$320. The low end covers a simple single-story array under 20 panels with easy ladder access. The high end covers steep multi-plane rooflines, arrays over 30 panels, or jobs that require lift equipment because the property has no safe ladder placement. Commercial cleaning runs $0.08-$0.15 per watt. Bird guard installation runs $380-$650. Debris removal alone runs $120-$220, and post-Santa Ana storm cleaning runs $160-$280 depending on how much grit is embedded.
We offer free estimates for Fullerton homeowners. The price we quote on the phone is the price on the invoice. No trip charge inside our own county, and if you bring us a written estimate from another cleaning company, we will give you a free second opinion. Call (877) 550-6892 and we will walk you through it.
We Also Serve Cities Near Fullerton
Beyond Fullerton, our crew regularly handles cleanings in Anaheim, La Habra, Placentia, and La Habra Heights. If you are on the Fullerton border and not sure whether we cover your street, call us. We cover all of Fullerton and the surrounding north Orange County area, and we will tell you honestly if we can get to you same-day.
Serving Fullerton, CA - Our Local Coverage Area
We’re based in the Fullerton area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Solar Panel Cleaning in Fullerton
Your electric bill shows the utility name at the top, either Fullerton Public Utilities or Southern California Edison. You can also check the FPU service map online. We verify this before every cleaning, because it changes how we explain soiling losses against your true-up statement. Call (877) 550-6892 and we will help you confirm it in under a minute.
Yes, more than in coastal Orange County. Fullerton sits far enough inland that the marine layer rarely suppresses sun hours, which means your panels run hotter and collect more dry-season dust. Soiling losses on an unwashed Fullerton array can run 5-12% of annual production, and because FPU’s net metering true-up math differs from SCE’s, that loss hits your bill differently depending on which utility you have. A $200 cleaning that restores 8% production pays for itself in under a year for most Fullerton homeowners.
Yes. We use purified-water fed-pole cleaning from the ground or alley side whenever the roofline allows, which means we never walk on the original sheathing. For high or steep sections, we use standoff-equipped ladders and inspect the eave before we climb. Our crew cleaned a 24-panel REC array on a 1920s Spanish Colonial in 92832 with only 3 feet of side clearance, and we did it without putting any weight on the roof.
Within a week. The grit from Santa Ana winds embeds into the panel surface and gathers in the frame edges, and every dry week it sits there, your array underproduces. After a big wind event, we usually run post-storm cleaning routes through Fullerton the following day. Call (877) 550-6892 for a same-week slot, and if you are on a scheduled plan, the post-storm cleaning is included.
It does, and it adds cost if it is left unchecked. Pigeon droppings are acidic and bake onto the glass in Fullerton’s inland heat, requiring extra scrubbing time. Nests under the panels block airflow and create hot spots that shorten microinverter life. We recommend bird guard installation at the same visit as your cleaning for any Fullerton home where we find nesting activity, and we quote the guard separately so you make the call.
Call Gus’s Solar for Panel Cleaning in Fullerton
If your panels have not been cleaned in a year or more, call (877) 550-6892 for a free estimate. Gus’s crew handles everything from a simple rinse on a 92833 ranch to a full debris removal and bird guard installation on a steep 92832 roof. We will tell you which utility serves your address, what the cleaning is worth on your actual bill, and the price is the price. Take two weeks. Think about it. The number will be the same.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Fullerton and north Orange County since 2011.






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