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 Chatsworth
If your panels are caked with Santa Susana Pass grit, a wash usually restores lost output within a day or two. A typical residential solar panel cleaning in Chatsworth runs $180 to $340, and we can usually get a crew to your street within 48 hours. Call (877) 550-6892 and Gus’s own crew will come out, assess the soiling, and clean your array with deionized water, no high-pressure spray that could void your warranty.
We know this area because we work it every week. Chatsworth’s wind corridor is unlike anything else in the Valley. You don’t need a generic cleaning company; you need someone who understands what the Pass does to a roof-mounted array, and whose Solar Panel Cleaning team already carries the right equipment and knows what to look for on Chatsworth homes.
Why Gus’s Solar Is Chatsworth’s Preferred Solar Panel Cleaning Company
Gus Petrakis started this company in 2011 and put his own name on the building. That’s not a marketing line; it’s just how he runs things. When you call about a cleaning in Chatsworth, a live person answers, 24/7. Not a voicemail tree, not a call center in another state. You get the same person Gus answers calls from, and if a crew misses something, the 90-Day Done Right Promise means one call brings us back.
We stay busy in Chatsworth’s 91311 and 91313 zips because homeowners tell their neighbors. The ranch homes off Devonshire, Lassen, and Topanga Canyon have big roof planes that collect everything the wind brings, and the horse-zoned lots south of the 118 add eucalyptus debris and birds to the mix. Our Chatsworth customers know we don’t send a sub. Gus’s own crew, background-checked and uniformed, does the work. You see the same faces on your roof that you’d see in the grocery store.
We also handle the things other companies skip. A cleaning crew from outside the area might not notice a wind-loosened L-foot or a microinverter that’s gone offline. Our team checks those while they’re up there. That’s the difference between a wash and a service visit.
Our Solar Panel Cleaning Services in Chatsworth
Residential Panel Cleaning
Most Chatsworth homes we clean have 15 to 30 panels on south-facing roof planes. The wind off the Pass leaves a fine mineral grit that looks like sandpaper and cuts your daily offset by 5 to 20 percent. We clean with deionized water and soft brushes, nothing abrasive, and we document before-and-after readings from your monitoring app so you can see the jump yourself.

Commercial Array Cleaning
Chatsworth’s business parks along Lassen and De Soto have large flat-roof systems that get overlooked for years. A commercial array in this wind corridor loses less per panel than a residential one, but a 200-panel system losing 8 percent efficiency is real money. We schedule cleanings around your operating hours and provide a written production check after every visit.

Bird & Critter Guard Installation
Pigeons and squirrels under panels are a bigger problem in Chatsworth than in most of the Valley, thanks to the large lots and older ranch homes with plenty of roofline. Nesting birds block airflow, their droppings etch the glass, and their nesting material can pull off wiring. We install stainless mesh guard systems that seal the panel-to-roof gap without drilling through your shingles. And when we install a guard on a Chatsworth home, we check the entire array for storm loosening while we’re up there.

Debris & Soiling Removal
After the Santa Anas blow, your panels collect everything: Pass grit, eucalyptus bark, oak leaves, and whatever else the wind picked up crossing the Valley floor. Left alone, debris holds moisture against the glass and accelerates microcracks. On horse-zoned properties, it’s worse. Our post-storm debris removal includes a visual inspection of every row for damage, not just a quick wipe-down.

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 Chatsworth
Our team works on most equipment already on Chatsworth roofs: Panasonic, Canadian Solar, JinkoSolar, plus the full line of FranklinWH and SolarEdge systems we install. If your array has a brand we’re not as familiar with, we’ll tell you honestly before we climb the ladder. The cleaning process is the same regardless of panel type, but what we check around the edges changes. Microinverter seams, optimizer caps, rail bolts. We know where these fail on each brand, and we inspect them during every cleaning, no extra charge.
Common Solar Panel Cleaning Problems We See in Chatsworth Homes
- Santa Ana wind grit from the Pass etches panel glass. That fine dust is not just cosmetic. Over two or three seasons, it accelerates the panel’s degradation rate beyond the manufacturer’s warranty curve. Washing it off promptly extends panel life, and in Chatsworth, “promptly” means more often than in Northridge or Reseda.
- Bird and squirrel nests block airflow and trip inverters. The big reasons are the large lots and the older ranch-style homes with open rafter tails. When a nest blocks the gap between the panel and the roof deck, heat builds and the inverter throws hot-spot faults. We see this several times a month in Chatsworth.
- Post-storm eucalyptus and oak debris traps moisture. Debris doesn’t just sit on top; it slides into the panel gutters along the rails. Trapped moisture then works into microcracks and accelerates corrosion. We pull this material out before it becomes a problem.
- Wind-loosened racking hardware. The Pass corridor produces sustained gusts above 60 mph. Bolts walk loose. L-feet shift. We check torque on the racking bolts during every cleaning in Chatsworth, because we’d rather catch it on a visit than have you find out during the next big wind event.
One more thing we see a lot: homeowners who waited too long between cleanings and saw a 20 to 25 percent production drop that they blamed on their inverter or their utility. Three years ago, a homeowner off Devonshire waited through a full Santa Ana season and called us certain their system was broken. The panels were so fouled the monitoring software couldn’t identify the loss. A full deionized wash and the array was fine. The system had a clean bill of health.
Pricing for Solar Panel Cleaning in Chatsworth, CA
Most residential cleanings in Chatsworth run $180 to $340. The number depends on panel count, roof pitch, how much debris has built up, and whether we’re also handling bird guard installation or post-storm debris removal. A 20-panel residential array in 91311 usually falls between $220 and $300. Commercial systems and steep two-story ranch layouts on the hillsides add to the quote. We give you a clear price before we schedule, and we don’t add surprises after the work is done. Call (877) 550-6892 for a free estimate, and ask about the Senior and Veteran 10% discount; that one never expires.
We Also Serve Cities Near Chatsworth
Our crews cover the western San Fernando Valley. If you’re in Canoga Park, Northridge, West Hills, or Woodland Hills, we can usually schedule within the same window as our Chatsworth visits. Solar Panel Cleaning in Chatsworth runs on the same crew, same equipment, and same pricing we bring to every nearby community.
Serving Chatsworth, CA - Our Local Coverage Area
We’re based in the Chatsworth 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 Chatsworth
Twice a year is the minimum for most Chatsworth homes, and three times a year is not overkill on properties close to the Pass corridor. The wind deposits a fine grit that cuts output by 5 to 20 percent in a single season, and the longer it sits, the more it etches the glass. If you’re on a horse-zoned lot with eucalyptus nearby, plan on three cleanings a year. Call (877) 550-6892 and we’ll help you set up a schedule that matches your specific block.
Yes. LADWP credits panel production under its net metering rules, and a soiled panel producing 15 percent less output means you’re buying more grid power at peak afternoon rates, when Chatsworth is routinely 10 to 15 degrees above coastal LA. Clean panels convert that midday sun into credits. Dirty ones convert it into a higher LADWP bill. The math is simple; we’ll show you the before-and-after numbers from your own monitoring app.
No. We use deionized water and soft brushes, and our crew is trained to avoid spraying directly at the microinverter seams or rapid shutdown boxes mounted under the panels. These components are sealed, but high-pressure washers can force water past the gaskets. We never use high pressure on roof-mounted systems, period. If anything is already compromised, you want to know before the next rain, and our inspection catches that.
Yes, and it’s one of the most common avoidable production losses we find on Chatsworth roofs. Nests block the airflow that keeps panels cool, and hot panels lose efficiency. Worse, nesting material can chafe wiring and pull off rapid shutdown connectors, which is a genuine shock hazard. Bird guard installation isn’t an upsell; it’s the thing that keeps your array running clean between our visits. We install stainless mesh that seals the gap and comes with the same 90-Day Done Right Promise as the rest of our work.
Check your monitoring app first. If your daily offset dropped more than 10 percent overnight, call us at (877) 550-6892 and we’ll come inspect. Even if the output looks normal, schedule a cleaning; the grit is on the glass whether or not the inverter reads it yet. In Chatsworth, after a 60 mph wind event, panels also get pelted with small branches and roof grit that won’t wash off with the next light rain. We’ll clean the array and check every racking connection while we’re up there.
Call Gus’s Solar for Solar Panel Cleaning in Chatsworth
If your panels haven’t been cleaned in a year or more, you’re leaving money on the roof. Call (877) 550-6892 and a live person will answer. We’ll give you a straight price, schedule a time that works for you, and send Gus’s own uniformed crew to your Chatsworth home. Free estimate, upfront pricing, and the 90-Day Done Right Promise on every job. If it’s not right, Gus makes it right.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Chatsworth since 2011.






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