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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 Upland
Solar panel cleaning in Upland typically costs $150 to $350 for a standard residential array, and most jobs are finished in under two hours. That’s the honest number, and if you call us at (877) 550-6892, that’s the range you’ll hear before we ever step on your roof. If you’re in the San Antonio Heights foothills off Euclid or tucked into a 1960s tract home near Foothill Boulevard, you’ve probably noticed how fast dust and pollen settle on glass up here. We’re Gus’s Solar, we’ve been cleaning panels across Upland since we put our first system on a roof in this valley, and we’ll give you a straight answer about whether your panels even need a wash before we quote anything.
You don’t have to take our word for it, either. A live person answers our phone, not a voicemail tree. Gus Petrakis’s name is on the truck, on the invoice, and on the license. When you call about panel cleaning in Upland, you’re talking to the guy who owns the company.
Why Gus’s Solar Is Upland’s Preferred Solar Panel Cleaning Company
Upland isn’t Ontario. And it isn’t Rancho Cucamonga. The dust, the wind, the tree cover, the pitch of the roofs, the way the afternoon heat hits the panels on the north side of town versus the flatlands south of the 210. It all changes how dirty your array gets and how often it needs attention. A cleaning crew that just drives up from the basin with a hose and a squeegee might miss what we see in twenty minutes: the fine silt that channels down from the San Gabriels after a Santa Ana event, the pollen haze from mature landscaping in the foothills, the stubborn mineral film from sprinkler overspray hitting panels on north Upland properties.
Our crews know the streets, the HOAs, and the roof types. We know that homes in the 91784 ZIP up toward San Antonio Heights sit on those citrus-era lots with old-growth trees that drop far more than leaves onto glass. We know that south Upland’s 91786 tract homes catch dust from the 10 and 210 corridors in ways that newer north-side developments don’t. That’s not marketing copy. It’s what we see on ladders every week. We answer calls in Upland same day, and we show up when we say we will.
Gus Petrakis founded Gus’s Solar in 2011. He has run crews across Upland, Claremont, and the whole Inland Empire since day one. Every job carries the 90-Day Done Right Promise in writing: if it’s not done right, Gus comes back and makes it right. No argument. No fine print. Just a guy who stands behind his work because his name is on it.
Our Solar Panel Cleaning Services in Upland
Residential Panel Cleaning
Most Upland homes run a 20 to 30 panel array, and those panels gather a surprising amount of grime between March and October. We use pure-water feed systems with soft-bristle brushes, no harsh detergents, no pressure washers that etch the glass and void manufacturer warranties. If you’re in north Upland under a canopy of eucalyptus, you may need two or three cleanings a year instead of one. We’ll tell you if you don’t need a cleaning at all. Honest math beats an upsell every time.

Commercial Array Cleaning
Upland’s commercial rooftops along Foothill Boulevard, Campus Avenue, and the business parks near Cable Airport run flat-mount arrays that collect dust, bird droppings, and valley haze faster than pitched residential roofs. We work early mornings and weekends to stay out of your operating hours. For facilities managers in Upland, we offer scheduled quarterly cleaning with photo documentation after every visit, so you’ve got a record if a lease audit or warranty claim ever comes up. The schedule is set around your hours, not ours.

Bird & Critter Guard Installation
Pigeons under panels are a real problem in Upland’s older neighborhoods, especially around the Mission Boulevard corridor where rooflines create sheltered nesting spots. We install galvanized steel mesh barrier systems that keep birds and squirrels out of the space between panel and roof deck, which also keeps nesting debris from blocking airflow and cooking your inverters. It’s not glamorous work, but it saves Upland homeowners thousands in chewed wiring and corrosion damage. We’ll assess whether you need it while we’re up there for the cleaning.

Debris & Soiling Removal
After a Santa Ana wind event, Upland panels get blanketed in a fine, gritty dust that bakes on in direct sun. Add a little morning dew and it turns to grime that cuts output by 5 to 15 percent, sometimes more on flat commercial arrays. We remove it at the source: soft-brush agitation, pure-water rinse, no residue left behind. For foothill homes in the 91784 ZIP, we also clear fallen fronds, twigs, and the sticky pitch from overhanging citrus and pine. If tree debris is a recurring problem, we’ll show you exactly which limbs are the culprit so you can decide whether to trim or just schedule more frequent cleanings.
One more thing a lot of Upland homeowners don’t know: the same accumulated grime that cuts your output also accelerates panel degradation. Over a decade, consistent cleaning can extend the useful life of your array by a couple of years. That’s thousands of dollars on a system sized for Upland’s heat-driven air-conditioning loads. It’s cheaper to wash the panels than to replace them early.

What happens when you call
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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 Upland
We clean and maintain systems built around the brands Upland homeowners actually have on their roofs: Tesla, Enphase, SolarEdge, and FranklinWH battery systems alongside the arrays. Product-specific quirks matter. Enphase microinverter systems need cleaned panel glass to maintain per-panel production data accuracy. SolarEdge optimizers run hotter when panels are dirty and airflow is blocked. We don’t push one brand over another. We clean what’s already on your roof and we know how each system’s monitoring reports will reflect the gain after a cleaning. If you’re not sure what you have, call us. We’ll look at the equipment and tell you plainly.
Common Solar Panel Cleaning Problems We See in Upland Homes
- Foothill tree debris and pitch: In the 91784 ZIP around San Antonio Heights and Euclid Avenue, mature oak, eucalyptus, and heritage citrus trees drop leaves, sap, and fruit onto arrays. That sticky film doesn’t rinse off with rain. It requires pure-water agitation to lift without scratching.
- Hard water spots from sprinkler overspray: Many Upland properties run automatic irrigation near the roofline. When nozzles are misaligned, panels get hit with treated water that evaporates in the heat and leaves mineral deposits. We see this all over central Upland and fix it with a thorough mineral-dissolving pure-water wash.
- Post-Santa Ana dust bakes: The wind channels through the Pomona Valley and drops a fine layer of grit across Upland, then the first hot afternoon bakes it onto the glass. Once baked, that layer drops output until it’s physically removed. Rain won’t do the job.
- Pigeon nesting under rooftop arrays: This is most common in south and central Upland’s older subdivisions, where mature rooflines and calm attic spaces attract nesting birds. Nesting materials hold moisture against the roof deck and create a fire hazard. Guard installation solves it permanently.
Pricing for Solar Panel Cleaning in Upland, CA
A standard residential panel cleaning on a one-story Upland home with easy roof access runs $150 to $250. A two-story home or one with a steep foothill pitch typically lands between $250 and $350. Commercial flat-roof arrays are priced per panel, usually $8 to $15 per panel depending on accessibility and soiling level. Bird guard installation runs $400 to $1,200 depending on array size and rail configuration. Debris removal after a storm or heavy wind event is $100 to $200 as a standalone service, or included free when bundled with a full cleaning. Post-cleaning production photos and before/after documentation are included at no extra charge. Call (877) 550-6892 for an exact quote. If you have a written estimate from another Upland company, bring it. Gus will give you a free second opinion and a fair number.
We Also Serve Cities Near Upland
Crews head from Upland into Claremont and Montclair most days, and we cover Rancho Cucamonga and Ontario on the same schedule. If you’re a few miles out and need Solar Panel Cleaning in Upland but your neighbor needs a referral for their place in Ontario, Gus is glad to help. And while we’re up there cleaning your array, if you’ve been thinking about EV Charger Installation in Upland, we can wire that in while we’re on site. We also keep Solar Panel Maintenance & Monitoring in Upland running year-round, so if your production dips between cleanings, we’ll know before you do.
Serving Upland, CA - Our Local Coverage Area
We’re based in the Upland 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 Upland
Same day or next morning in most Upland ZIP codes. We keep crews staged in the Inland Empire, not two counties away. If you call before noon, there’s a good chance we can be on your roof by the afternoon. Call (877) 550-6892 and ask.
We cover the full city, including 91784, 91785, and 91786. That includes the San Antonio Heights foothills, the neighborhoods off Euclid and San Antonio Avenue, the newer developments north of the 210, and the older tract areas south around Foothill Boulevard and Mission Boulevard. If you’re in a gated community with restricted hours, we’ll coordinate with your HOA.
After a major wind storm or a bird strike that damages a panel, we can usually get to most Upland homes within one business day. Emergency dispatch is a live call to Gus’s phone, not a ticket that sits in a queue. For urgent storm damage, call sooner rather than later.
Pricing is the same whether you’re in Upland, Claremont, or Rancho Cucamonga. We don’t add a premium for distance inside our service area. What changes the quote isn’t your city; it’s roof pitch, array size, and access. A steep two-story roof in San Antonio Heights will cost more than a single-story tract home in south Upland, and that’s got nothing to do with city limits.
Every cleaning carries the 90-Day Done Right Promise in writing. If you see streaking, residue, or missed spots after we leave, call Gus. He’ll send the crew back at no charge. That guarantee applies to every job we do in Upland, no exceptions.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Upland and the surrounding Inland Empire since 2011.






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