Pure water. Local hands. No shortcuts.

Why we started

Most exterior cleaners in Washington still hit panels and windows with pressurized tap water and soap. That strips coatings and leaves mineral spots when it dries. We built PeakFlow on the opposite approach — water-fed poles where they work best, roof access with proper fall protection when the job calls for it, 100% de-ionized water, and a methodical pace that protects your investment.

What you get

• A real person answering the phone — usually the owner.
• Full general liability + workers' comp coverage. COI on request.
• A truly local business — based in Western Washington, serving only Western Washington.
• Industry-standard pure-water method, approved by major solar panel manufacturers.

Service area

Seattle, Bellevue, Redmond, Kirkland, Sammamish, Issaquah, Mercer Island, Renton, Tacoma, Woodinville, Bothell, Lynnwood — plus surrounding neighborhoods. Not sure if we cover yours? Just ask.