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 Claremont
Solar panel cleaning in Claremont typically costs $150-$350 for a standard residential array, and it’s a service we can usually schedule within 48 to 72 hours of your call. That number matters less than what’s sitting on your glass right now: if you live under Claremont’s protected oaks and jacarandas, you’re losing production every week to sap, pollen, and leaf litter. Call us at (877) 550-6892 and we’ll give you an honest assessment before we ever put a ladder against your house.
We’ve been cleaning panels in Claremont long enough to know that your array fights a different battle than one in Pomona or Upland. The Claremont tree canopy that makes this city beautiful is the same canopy that’s quietly choking your production. Gus Petrakis built this company around straight answers, so here’s one: if you haven’t cleaned your panels since spring, you’re paying for electricity your system can’t generate.
Why Gus’s Solar Is Claremont’s Preferred Solar Panel Cleaning Company
Gus’s Solar has been locally owned and operated since 2011, and Gus Petrakis puts his name on every truck that rolls through Claremont. That’s not marketing talk. It means when you call, the person answering is either Gus or someone who reports directly to him, not a call center three states away. Claremont homeowners have told us that’s why they call us back.
Our Solar Panel Cleaning crew has been on roofs throughout 91711, from Craftsman bungalows near the Village to mid-century ranches around Memorial Park and the larger custom homes up near the foothills. We know what a protected coast live oak drops on a south-facing array in July. We know how fast sap bakes onto tempered glass when it’s 100°F. And we know how to get it off without scratching anything.
Every job carries the 90-Day Done Right Promise in writing. If the cleaning isn’t right, Gus makes it right. One call brings him back. We also answer our phones 24/7 with a live person. No voicemail tree, no ticketing portal.
Our Solar Panel Cleaning Services in Claremont
Residential Panel Cleaning
A typical single-story Claremont home with 20 to 30 panels runs $150-$250 for a full deionized water wash, soft-bristle agitation, and frame detail. If you’ve got two stories or a steep pitch, expect to be on the higher end. Our crew brings their own deionized water, so Claremont’s hard municipal supply never leaves mineral spots on your glass. We don’t use pressure washers on panels. Ever.

Commercial Array Cleaning
Flat commercial arrays in Claremont fight a tougher battle than pitched residential roofs, because water pools around the lower edges and carries dust, pollen, and bird droppings into dirty rings that never fully dry. We clean arrays on retail and office rooftops throughout Claremont, typically billing $0.15-$0.35 per watt depending on array size and soiling condition. For a 100kW system, that’s usually between $2,500 and $4,500 per cleaning, and most commercial customers schedule twice a year.

Bird & Critter Guard Installation
Scrub jays and pigeons love the shaded gap under your panels, and Claremont’s tree canopy gives them plenty of hiding cover while they build nests. We install mesh guard along the array perimeter, typically $12-$18 per linear foot for materials and labor. A standard 24-panel array runs $600-$1,100 for full guard installation. The guard keeps birds out without blocking airflow, which matters when your panels sit above a 1950s roof that already runs hot.

Debris & Soiling Removal
Acorns, twigs, and eucalyptus bark pile up along the lower row of panels under mature Claremont trees. That debris blocks drainage, traps moisture against the frame, and creates hot spots that accelerate cell degradation. We clear it all by hand first, then clean. If your array sits under a protected oak, we’ll also look at whether a bird guard makes sense along the lower edge where debris collects. Debris removal alone starts at $75 and is usually rolled into a full cleaning.

Scheduled Cleaning Plans
If your roof sits under permanent canopy, you’ll want a plan rather than a one-off. We offer quarterly and biannual plans for Claremont homes, with the spring clean timed for right after jacaranda bloom and a fall clean after the oaks drop their acorn crop. Plan customers get priority scheduling before heat waves and a locked per-cleaning rate. Most Claremont homeowners on a biannual plan pay $250-$450 per year total.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
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 Claremont
We clean and maintain systems built around Enphase microinverters, SolarEdge power optimizers, and panels from Panasonic, Canadian Solar, and JinkoSolar. Claremont’s partial-shade tree conditions mean most arrays here run on module-level power electronics, and we understand how soiling affects production monitoring data from Enphase and SolarEdge portals. We also work with FranklinWH battery customers in Claremont who want their storage plus solar inspected on the same visit. Parts for common brands are stocked locally, so turnaround on small fixes is typically same-week.
Common Solar Panel Cleaning Problems We See in Claremont Homes
- Sap and pollen baked onto panel glass. Claremont’s protected oaks and jacarandas drop sticky matter from March through September, and when it hardens on tempered glass in 100°F heat, it doesn’t just rinse off. We use deionized water and soft-bristle brushes to lift it without scratching, because sap left for months can etch the surface permanently.
- Acorn and twig buildup along the lower panel row. Mature trees overhang the north and east edges of many Claremont roofs, and gravity pulls the heavier debris to the bottom of each panel row. That pileup blocks drainage, traps moisture, and creates hot spots that cut production and age cells faster.
- Bird droppings corroding aluminum frames. Claremont gets a morning marine layer from the coast, and droppings under panels stay damp longer here than in Pomona or Ontario. That moisture accelerates aluminum frame corrosion. We neutralize droppings during cleaning and recommend guard installation where nesting is active.
- Mineral spotting from hard water. Our crew runs deionized water systems on the truck, so we don’t use Claremont’s municipal supply on your glass. Tap water here is hard enough to leave calcium and magnesium residue that refracts light and cuts output by a point or two. If someone else cleaned your panels with a garden hose, we can fix that too.
Pricing for Solar Panel Cleaning in Claremont, CA
Residential cleaning in Claremont runs $150-$350 for most homes. The number depends on panel count, roof height, pitch, and how much tree debris has accumulated. A single-story ranch with 20 panels under light soiling will land around $150-$200. A two-story Craftsman near the Village with heavy sap and bird droppings might hit $300-$350. Bird guard installation adds $600-$1,100 for a standard array. Debris removal starts at $75. We don’t quote over the phone and change the number at your door. The price we give you is the price you pay. Call (877) 550-6892 for a free estimate, and bring us your latest true-up or production screenshot so we can see what cleaning should recover. Estimates are free, and there’s no trip charge inside our own county.
We Also Serve Cities Near Claremont
If you live just outside Claremont, we make regular runs to Solar Panel Cleaning in Claremont neighbors in Montclair, La Verne, Upland, and Pomona. Scheduling is coordinated from our Los Angeles office, but the crew that shows up at your door is the same crew that works Claremont every week. Same pricing, same 90-Day Done Right Promise, same live person on the phone.
Serving Claremont, CA - Our Local Coverage Area
We’re based in the Claremont 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 Claremont
Twice a year is right for most Claremont homes under protected oaks or jacarandas: once in late spring after jacaranda bloom, and once in early fall after acorn drop. Homes with clear roofs away from the Village’s mature trees can usually get by with one annual cleaning. If you see visible sap, bird droppings, or a debris line along the lower panel row, don’t wait for the scheduled clean. Call (877) 550-6892 and we’ll assess whether it’s time to come out.
Yes, if someone uses tap water from a garden hose. Claremont’s municipal water carries enough calcium and magnesium that air-drying leaves mineral spots which scatter light and can cost you a percentage point or two of production. We run deionized water systems on our trucks, so panels dry spot-free without hand drying, which risks scratching. If a previous cleaning left spots, we can remove them on our next visit.
No, cleaning with soft-bristle brushes and deionized water does not void a standard panel warranty from brands like Panasonic, Canadian Solar, or JinkoSolar. Wait too long to remove baked-on sap or heavy droppings, and you can cause permanent glass etching or hot spots that the warranty won’t cover. Regular cleaning protects your warranty position. We can document your cleaning schedule if your panel manufacturer ever asks about maintenance history.
Yes. Nest material holds moisture against the backsheet and wiring, and birds pick at cable insulation. Droppings corrode aluminum frames faster in Claremont’s morning marine layer. We see the most damage on older arrays without bird guard, usually along the lowest row where access is easiest. Installing mesh guard along the array perimeter eliminates most of that risk, and we’ll check your wiring during the cleaning visit. The cost of a guard is almost always less than one service call for chewed wiring.
Cleaning restores production, which means more kWh flowing back to your true-up balance, not fewer. Bird guard installation doesn’t meaningfully reduce output, it just covers the frame edges where panels weren’t producing anyway. A homeowner near Memorial Park we cleaned had lost 9% to sap and acorn debris from a protected oak. After cleaning and guard installation, her next true-up statement showed full kWh offset restored. Call (877) 550-6892 and we’ll give you an honest read on what your array should be producing.
Key Takeaways
- Claremont’s protected tree canopy makes panel cleaning a different job than in Pomona or Ontario, where soiling is mostly dust.
- A standard residential cleaning in Claremont runs $150-$350, with bird guard adding $600-$1,100.
- Cleaning twice a year usually recovers more production than upgrading components.
- We answer our phones 24/7 with a live person, and the 90-Day Done Right Promise is in writing on every job.
- Free estimates. No trip charge inside our own county. The number you’re quoted is the number you pay.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Claremont with honest solar work since 2011.






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