Home & Commercial Solar Panel Cleaning In Knoxville, TN
Knox Exterior Care Co.
Keeps Your Solar Panels Producing At Their Best — Home or commercial.
Dirty solar panels don’t just look bad — they quietly cost you money every month on both residential and commercial systems. Dust, pollen, bird droppings, and general grime build up on panel surfaces over time and directly reduce their ability to absorb sunlight. Studies consistently show that soiled panels can lose a noticeable amount of their energy output depending on the level of buildup.
Our solar panel cleaning service restores that output, protects your investment, and keeps your system running at peak efficiency year‑round — whether it’s on your home, business, church, or facility.
Pricing & Plans
Enjoy straightforward pricing and clear scopes — two things every homeowner needs when you’re trying to keep your property maintained without surprises.
Priced by the Panel.
Get an Instant quote!
Many customers choose to bundle this into a Total care exterior plan!
Customers save an average of 20% with bundled services!
We price solar panel cleaning based on system size (number of panels), roof pitch and access, panel type, and the level of soiling present. Standard rooftop arrays, ground‑mounted systems, and pergola or carport‑mounted panels are all priced a bit differently depending on ease of access and safety requirements.
Variables that may impact pricing include roof height and slope, panel coating sensitivity, hard‑water mineral deposits, heavy bird‑dropping accumulation, and whether this is a one‑time clean or part of a scheduled maintenance program. We’ll assess your system and provide a clear, written quote before any work begins, so you always know what to expect — for both residential and commercial solar arrays.
Knoxville’s #1 Exterior Maintenance Company.
Experience why so many trust KECC with their property!
Why Knoxville Homeowners Choose Knox Exterior Care Co. For Solar Panel Cleaning
We're a locally owned & operated exterior maintenance company, serving the greater Knoxville area — and we built our business around one standard: showing up, doing the work right, and making your property look like it's cared for.
Local & Accountable
We're based right here in Knoxville, TN — not a franchise, not a call center. When you reach out, you're talking to the people actually doing the work. We stand behind every job.
Simple & Predictable
One plan, one invoice, no surprises. You always know what's included, what it costs, and when we're coming. We believe maintenance should be something you don't have to think about.
Trusted On Your Property
We understand that inviting someone onto your property takes trust. We're a licensed, insured, local team — and we treat every home with the same care and respect we'd want shown to our own.
Quality You Can See
Freshly cleaned solar panels have a certain shimmer about them - you’ll notice the difference, even standing down below. Enjoy better looking exteriors, and cheaper energy bills!
Do you want all of your exterior services handled by one, professional team?
Check Out Our Total Care Exterior Plans!
Fully Licensed & Insured
We are proud to boast a high review ranking on Google. We go the extra mile to make sure our clients are happy and well taken care of!
5 Star track record
Every job is backed by full liability insurance and proper licensing. Your home is protected, and you'll never have to wonder if the team on your property is legitimate and covered.
Solar Panel Cleaning FAQ’s
We get these questions all the time from Knoxville homeowners, business owners, and property managers considering our solar panel cleaning service.
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Most systems in the Knoxville area benefit from professional cleaning at least once per year, with many residential and commercial arrays seeing better performance with cleaning every 6–12 months depending on dust, pollen, trees, and bird activity.
Heavily soiled or high‑value systems (large residential arrays, commercial roofs, churches, and facilities) may justify more frequent service.
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No — when done correctly, professional solar panel cleaning is safe for your panels and compatible with manufacturer warranties. We use soft, non‑abrasive methods and appropriate cleaning solutions designed to protect panel glass and coatings while removing buildup.
We avoid harsh pressure and household cleaners that can scratch surfaces or leave residues.
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The exact boost depends on how dirty your panels are and your site conditions, but heavily soiled panels can lose a noticeable percentage of their potential output.
Customers often report improved system production and better performance readings after a thorough clean, especially following long pollen seasons or extended dry spells with lots of dust and debris.
A Message From The Owner…
Thank you for taking the time to consider Knox Exterior Care Co. for your property — it means a lot to us! There are plenty of options in Knoxville, and we don’t take your attention or trust lightly.
I started this company to serve people well, do excellent work, and build long-term relationships with the owners, managers, and customers we work with. I’m grateful you’re here, and we are excited to connect and see how our team can help!
- Nicholas G. Dunn
Founder/Owner