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 Cerritos
Solar panel cleaning in Cerritos typically runs $180-$340 for a standard rooftop array, and we can usually be on your roof within 48 hours. Dust from the 605 and 91 freeway corridors settles on panels here faster than most homeowners realize, and a film of that grime quietly eats into your SCE bill every month. If you live near Cerritos High School, Whitney High, or over in the Shadow Park tract, you’ve probably noticed the haze that builds on cars and patio furniture between rains. Your panels collect the same film. Call (877) 550-6892 and we’ll come take a look.
Why Gus’s Solar Is Cerritos’s Preferred Solar Panel Cleaning Company
We’re not a door-knocking outfit that shows up once and disappears. Gus Petrakis founded this company in 2011, and he puts his name on the truck, the invoice, and the work. When a Cerritos homeowner calls about dirty panels, the person who answers is a live human being, 24/7, not a voicemail tree. That matters when you’re trying to figure out whether that haze on your glass is just spring pollen or something worse.
Our crew knows Cerritos rooftops because we’ve been climbing them for years. We know the low-slope ranch homes in the 90703 zip code, the two-story tracts east of Bloomfield Avenue, and the way asphalt composition shingles on 1960s-era builds hold heat and bake debris onto panel surfaces. Our Solar Panel Cleaning team carries this local knowledge onto every job. That’s why we don’t waste your time re-learning your roof on the spot. We already know what we’re dealing with.
Every job is backed by the 90-Day Done Right Promise. If something isn’t right, one call brings Gus back. No argument, no runaround.
Our Solar Panel Cleaning Services in Cerritos
Residential Panel Cleaning
Most Cerritos homes were built between the mid-1960s and early 1980s, and their panel arrays sit on low-slope or moderate-pitch roofs that are easy to reach but hard to keep clean. Freeway dust, pollen from mature landscaping, and the fine ash that drifts over from summer heat all settle on the glass. We use deionized water and soft-bristle brushes, no harsh chemicals that could strip anti-reflective coating or void your panel warranty. A standard residential cleaning in Cerritos takes about two hours from setup to rinse-down, and we walk the array with you afterward so you can see the difference yourself.

Commercial Array Cleaning
Cerritos has a surprising number of commercial rooftops with solar arrays, from the auto mall along Studebaker Road to offices near the Cerritos Towne Center. Commercial arrays collect more diesel particulate from truck traffic on the nearby freeways, and soiling losses on a 50 kW or 100 kW system add up fast. We schedule commercial cleanings around your operating hours, often doing the work early morning before heat builds up and panels get too hot to touch safely. If you manage a property in Cerritos, ask us about quarterly or semi-annual cleaning plans.

Bird & Critter Guard Installation
Pigeons love solar panels on low-slope ranch roofs in Cerritos. The gap between the panel frame and the roof deck is shaded, dry, and safe from hawks, which makes it prime nesting ground. Once birds move in, droppings etch the glass and corrode wiring. We install galvanized steel mesh critter guards that seal the perimeter of the array without trapping moisture or blocking airflow. This is the single best thing a Cerritos homeowner can do to protect their panels between cleanings.

Debris & Soiling Removal
Not every dirty array needs a full wash. Sometimes a Santa Ana wind event dumps leaves, twigs, and a film of dust across panels in a single afternoon. That’s when we can come out for a lighter debris removal, clearing vents, checking under panel edges, and hosing down the array. If a branch or tile has landed on the glass, we’ll catch it before it scratches. For post-storm situations in Cerritos, call us and we’ll tell you honestly whether you need a full clean or just a targeted removal.

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.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Cerritos
We work on panels from Panasonic, Canadian Solar, Qcells, and FranklinWH battery systems, among others. That matters because a Qcells array from a 2018 install cleans differently than a 2012 SunPower array, and we know which surfaces respond best to which brush pressure and rinse technique. Because we’re local, we can also stock or quickly source the right replacement clips, rail components, and guard mesh for Cerritos jobs, which cuts turnaround time versus shops that order everything from a warehouse two states away.
Common Solar Panel Cleaning Problems We See in Cerritos Homes
- Bird droppings on low-slope 1960s ranch roofs: Pigeons nesting under panels near the Cerritos High School area leave droppings that etch glass over time. If not removed within a few weeks, that etching becomes permanent and output loss is irreversible.
- Baked-on freeway dust and ash: Panels near the 605 corridor collect a grime that a garden hose won’t touch. The film bakes on in Cerritos heat and needs deionized water plus light agitation to remove without scratching.
- Inverter clipping during peak AC hours: Multi-generational Cerritos homes running central air and EV charging simultaneously sometimes see inverters clip when panels are dirty. That clipping looks like an electrical problem, but often the fix is just a cleaning.
- Rapid shutdown and microinverter false alarms: Dirty panels can make microinverters report lower output, which some monitoring apps flag as equipment failure. We’ve seen Cerritos homeowners chase phantom faults for weeks when the real issue was soiling.
Pricing for Solar Panel Cleaning in Cerritos, CA
Residential panel cleaning in Cerritos generally runs $180-$340 depending on array size, roof pitch, and how long it’s been since the last clean. A 20-panel array on a single-story ranch usually lands around $200-$250. A 30-panel two-story array with bird guard removal can hit $300-$340. Commercial arrays are quoted per panel or per kW, typically $4-$7 per panel for standard soiling. Debris-only removal after a wind event costs less, usually $90-$140. Bird and critter guard installation runs $12-$18 per linear foot installed. Every quote is free and we don’t pressure you to sign the same day. Take two weeks. Think about it. The price will be the same.
We Also Serve Cities Near Cerritos
If you’re in Artesia, La Palma, Norwalk, or Hawaiian Gardens, you’re close enough that we can usually reach you the same day we reach Cerritos. Our Solar Panel Cleaning in Cerritos team covers the whole southeast LA County corridor, so don’t worry about whether you’re inside some imaginary service boundary. Call (877) 550-6892 and ask.
Serving Cerritos, CA - Our Local Coverage Area
We’re based in the Cerritos 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 Cerritos
Most Cerritos homeowners should clean panels every 6 to 12 months, but homes within a quarter mile of the 605 or 91 freeways may need cleaning every 4 to 6 months. Freeway dust, combined with weeks of dry inland heat, builds a film faster here than in coastal cities. The telltale sign is visible haze on the glass. Call (877) 550-6892 and we’ll help you set a realistic schedule based on your exact location in Cerritos.
Yes, and significantly. Under NEM 3.0, the export credits you get for sending power back to the grid are far lower than they were under NEM 2.0. That means every kilowatt-hour your panels produce matters more for offsetting your own use at the moment it’s generated. A 5% to 8% soiling loss in Cerritos, where multi-generational households strain upper SCE rate tiers, can push a family into a more expensive billing bracket. Clean panels are now a financial decision, not just an aesthetic one.
Yes if left for weeks. Pigeon droppings are acidic, and on low-slope ranch roofs common throughout Cerritos, droppings sit directly on the glass and etch it. After a few weeks, that etching becomes permanent and the panel’s output never fully recovers. If you see birds gathering under your array, install a critter guard and get the droppings cleaned off promptly. It’s far cheaper than replacing a panel.
No, a proper cleaning won’t harm microinverters or rapid shutdown devices. In fact, cleaning often improves reported output and clears false alarms. Dirty panels can make microinverters underreport, which some monitoring apps flag as a device fault. We’ve cleaned Cerritos systems where the homeowner had scheduled an electrician for an inverter issue, only to find the panels were simply too dirty to produce at rated output.
Santa Ana winds blow dry air from the deserts through the LA Basin, picking up fine particulate, leaf litter, and small twigs along the way. In Cerritos, that debris often lands on roof valleys and panel edges, then bakes onto the glass during the hot days that follow. We usually see a mix of eucalyptus leaves, palm fronds, and a fine brown dust that dulls the panel surface. A debris removal within a week of a wind event prevents long-term buildup. Estimates are free, so call (877) 550-6892.
Contact Gus’s Solar for Panel Cleaning in Cerritos
If your panels haven’t been cleaned in over a year, or if your SCE bill is higher than it should be despite clear skies, give us a call. We’ll come to your Cerritos home, look at the array, and give you a straight answer with a real number. No high-pressure pitch, no signature required tonight. Bring us your bill, if you’d like, and we’ll show you the math. Call (877) 550-6892 for a free estimate. Senior and veteran discounts apply, and there’s no trip charge inside our own county.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Cerritos and the surrounding communities since 2011.






Before
After
Before
After
Before
After