100% De-Ionized Pure Water Technology

Maximize Your Solar Power Output by Up to +30%

Laboratory-grade DI pure water solar panel, window, and exterior power washing in San Francisco and the Bay Area.

(415) 818-7595

000 PPM Pure Water

Streak-Free Guarantee

$2M Insured & OSHA Compliant

Spotless Solar Panels Output Restoration

100% Restored Solar Output - DI Pure Rinse

Panel Wash Pro Mobile Pure DI Water Truck Fleet

Mobile 000 PPM DI Water Filtration Fleet

Pure Water Streak-Free Window Glass Cleaning

Commercial & Multi-MW Solar Array Maintenance

Commercial & Multi-MW Array Maintenance

★★★★★5.0

48+ Verified Reviews

+30%

Solar Energy Restored

000 PPM

Ultra-Pure DI Water

100%

Streak-Free & Spot-Free

Harsh Chemicals / Safe

⚠️

Did You Know?Dirty solar panels lose between 15% to 30% of power output annually due to airborne dust, soot, and bird droppings.

Read Yelp Customer Proof

Live Field Demonstration

Solar Panel DI Pure Water Wash in Action

Watch our certified field technicians restore solar arrays using laboratory-grade de-ionized pure water systems. Our tech-agitation brushes lift stubborn grime without scratching panel coatings or leaving mineral scale.

✓

000 PPM Laboratory Water:Dries 100% streak-free with zero water spots.

✓

Zero Harsh Chemicals:100% safe for roof tiles and solar manufacturer warranties.

✓

OSHA Fall Protection:Full certified safety harness protocols on every project.

✓Tech Agitation & Pure DI Rinse

Proven Results

High-Definition Before & After Transparency

Compare dirty solar panels before treatment against the 100% spot-free results achieved with our DI pure water technology.

Residential Solar Array (San Francisco)

✗ BEFORE (Dirty & Soiled)

Solar Panel After DI Pure Water Cleaning

✓ AFTER (100% Spotless)

Commercial Array (Concord)

✗ BEFORE (Dust & Film)

✓ AFTER (Peak Efficiency)

AFTER (100% Restored Output)

BEFORE (Dirty & Power Loss)

YELP 5.0 VERIFIED LISTING

What Bay Area Property Owners Say

Read real experiences from home and commercial property owners who trust Panel Wash Pro.

View All 48+ Yelp Reviews

★★★★★

Recent Yelp Review

"Panel Wash Pro cleaned our 24-panel residential solar system in Concord. Our daily kWh output jumped up immediately by over 22%! Professional, prompt, and left zero streaks."

Marcus T.

Concord, CA

Verified

★★★★★

Recent Yelp Review

"Living near coastal fog, salt film coated our solar panels. Their 000 PPM pure water treatment completely restored our solar energy production. The team was courteous and on time."

David S.

San Francisco, CA

Verified

★★★★★

Recent Yelp Review

"Outstanding pressure washing and solar panel maintenance for our commercial carport array and exterior roof. Quick response time, fair pricing, and flawless spot-free finish."

Elena R.

Oakland, CA

Verified

Comprehensive Care

Our Complete Exterior Service Suite

Solar Output

Solar Panel Cleaning

Residential and commercial DI pure-water solar cleaning to maximize kilowatt-hour production.

Spotless Glass

Window Cleaning

Streak-free interior and exterior window cleaning for residential homes and commercial storefronts.

Pressure Washers

Pressure Washing

High-pressure washing for driveways, roofs, sidewalks, and building exterior surfaces.

Answers & Clarity

Frequently Asked Questions

Get instant answers regarding solar panel maintenance, warranties, and water purity.

Doesn't rain clean my solar panels automatically?

No. Rain contains airborne dust, coastal fog salt, and pollution particles. When rain dries on your solar glass, it bakes in hard-water spots and grime—acting like a dirty windshield that rain alone cannot clean. Pure DI water agitation is required to restore full optical clarity.

Will professional cleaning void my solar manufacturer warranty?

How often should solar panels be cleaned in the Bay Area?

What is 000 PPM pure de-ionized (DI) water?

000 PPM Pure DI Water • Zero Harsh Chemicals • Yelp 5.0 ★

Ready to Reclaim Your Lost Solar Energy & Boost Efficiency?

Contact San Francisco & the Bay Area's trusted solar cleaning and exterior washing specialists today. Fast estimates, 100% pure DI water, and guaranteed spot-free results.

Call: (415) 818-7595

Same-Day Response

$2M Fully Insured

OSHA Compliant