Solar Panel Cleaning in Ontario, CA

Your Panels Are Losing Money Daily

Dust and debris cut your solar production by up to 20% in Ontario’s desert climate—that’s real money disappearing from your energy savings every month.
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Rooftop Solar Panel Cleaning San Bernardino County California

Professional Solar Panel Maintenance Ontario

See Immediate Energy Production Improvements

Clean panels mean maximum sunlight absorption and peak energy output. You’ll often notice increased production the same day we finish cleaning.

In Ontario’s dusty environment, panels accumulate debris faster than most homeowners realize. What looks like light coating actually blocks significant sunlight from reaching your cells. Our specialized cleaning restores your system’s full potential.

Regular professional maintenance protects your investment and keeps your energy savings consistent year-round. Don’t let accumulated dust steal your solar returns.

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Solar Panel Cleaning Company Ontario

NABCEP Certified Solar Cleaning Specialists

All Seasons Window Cleaning Inc. has served Ontario and surrounding areas for over 10 years with specialized solar panel cleaning services. We’re NABCEP certified, meaning we understand solar systems—not just cleaning.

Our technicians are trained specifically for desert conditions like Ontario’s challenging dust and mineral deposits. We use manufacturer-approved methods that protect your warranty while maximizing your system’s performance.

We’re fully bonded and insured, giving you complete peace of mind when we’re working on your valuable solar investment.

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Solar Panel Cleaning Process Ontario

Safe, Systematic Panel Restoration

We start with a complete system inspection, checking for loose connections, cracked panels, or other issues that could affect performance or safety. This protects your entire investment, not just the cleaning.

Next comes our specialized soft-wash cleaning using deionized water. Regular tap water leaves mineral deposits that actually make panels dirtier faster—our purified water rinses completely clean without spots or residue.

We clean each panel systematically, removing dust, bird droppings, and the stubborn buildup Ontario’s desert environment creates. We also clean around mounting hardware and inverters, addressing every component that affects solar production. Finally, we restart your system and verify everything works properly.

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Residential Solar Cleaning Ontario CA

Complete Solar System Care

Every cleaning includes thorough system inspection, deionized water washing, and performance verification. We remove dust, bird droppings, and mineral buildup that reduces efficiency in Ontario’s desert climate.

Our deionized water system is specifically chosen for Ontario’s hard water conditions. Most cleaning companies use tap water, which leaves deposits that attract more dirt. Our purified water prevents this cycle completely.

We specialize in desert conditions where Coachella Valley dust requires specific techniques and equipment for complete removal without damage. In Ontario’s climate, we recommend cleaning every 6 months minimum, with some homes needing quarterly service depending on location and environmental factors.

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How often should I clean my solar panels in Ontario, CA?

In Ontario’s desert climate, we recommend professional cleaning every 6 months minimum. Some homes need quarterly cleaning, especially if you’re near agricultural areas or have trees that attract birds.

The key indicator is your energy production monitoring. If you notice gradual decline that doesn’t match seasonal changes, it’s time for cleaning. Don’t wait until you’ve lost 20-30% efficiency—that’s money you can’t recover. Desert dust accumulation happens faster than most homeowners realize in Ontario’s environment.

Our deionized water system is the biggest difference. Most cleaning companies use tap water, which leaves mineral deposits that actually attract more dirt. Our purified water rinses completely clean.

We’re also NABCEP certified, meaning we understand solar systems, not just cleaning. We can spot potential problems during cleaning that could save you thousands in repairs later. We specialize in desert conditions—Ontario dust isn’t like regular dirt and requires specific techniques for complete removal without damage.

No. We guarantee no damage to your panels or voiding of warranties. Our cleaning methods are approved by major solar manufacturers and designed specifically for photovoltaic systems.

We use only manufacturer-approved techniques and equipment. Many warranties actually require regular professional cleaning to maintain coverage. We’re fully insured and bonded, and our technicians are trained specifically in solar panel cleaning techniques that protect your investment while maximizing performance.

Residential solar panel cleaning typically runs $200-400 depending on system size, roof accessibility, and how dirty your panels are. Most homes with standard rooftop installations fall in the $250-350 range.

We price by the job, not by the hour, so you know exactly what you’ll pay upfront. No surprises, no hidden fees. If your system needs extra work due to heavy buildup, we’ll discuss that before starting. Consider that a single cleaning often pays for itself within 2-3 months through increased energy production.

While possible, DIY cleaning risks permanent damage to your expensive investment. Using wrong equipment, harsh chemicals, or regular tap water can scratch surfaces or leave mineral deposits that reduce efficiency.

In Ontario, our hard water contains high mineral content that leaves spots and stains if not properly filtered. Professional equipment like our deionized water system and specialized soft-bristle brushes ensure safe, effective cleaning. Safety is also a major concern—rooftop work requires proper equipment and training to prevent accidents.

You’ll often see immediate improvement in energy production the same day we finish cleaning. Clean panels absorb more sunlight and convert it to electricity more efficiently.

We guarantee you’ll see improved energy production within a week of cleaning, assuming your system was dirty to begin with. If you don’t see results, we’ll come back and re-clean at no charge. Most customers notice the difference on their monitoring systems within 24-48 hours of professional cleaning.

Other Services we provide in Ontario