Valid for panel arrangements on only one side of a roof
Taller houses will incur an additional charge
The Fine PrintDeal cannot be combined with other specials or offers Deal cannot be applied to current or past jobs For residential service only Appointments are to be performed during normal business hours Standard cancellation policy applies Limit 1 deal per member/household Valid for 1 and 2 story homes
Your solar panels were installed to generate clean energy for decades. But pollen, bird droppings, leaf debris, road dust, and mineral deposits slowly reduce sunlight transmission – and with it, your energy production.
Even panels that appear clean from the ground can operate below optimal performance levels.
At HiCleaners, we provide warranty-safe solar panel cleaning for residential and commercial systems across Massachusetts and Southern New Hampshire. Our deionized-water, zero-chemical method restores performance safely and preserves your system’s long-term ROI.
Why solar panels require professional cleaning
Many property owners assume rain will wash panels clean. It does not.
Rain may remove loose surface dust, but it does not eliminate bonded pollen, hardened bird droppings, mineral buildup, or compacted debris around panel frames. Over time, this accumulation reduces light transmission and lowers energy output.
In New England, the most common causes of solar performance loss include:
seasonal pollen buildup – especially from oak, pine, maple, and birch trees common across Massachusetts;
bird droppings – dense, opaque residue that can affect entire panel strings;
pine needles and leaf debris – which create shading and trap moisture;
airborne dust and traffic particulates – forming a thin film that gradually reduces transmission;
sprinkler overspray and hard water deposits – leaving bonded calcium residue on the glass.
The result is simple: lower production while your loan or lease payment stays the same.
Residential solar panel cleaning – safe, warranty-protected care for your home
If you own a home with rooftop solar, safety and protection matter.
Climbing onto a pitched roof with a garden hose and household brush can cause permanent micro-scratches, mineral residue, and serious fall risk. Solar panel glass includes a sensitive anti-reflective coating that must be cleaned correctly.
Massachusetts homeowners choose HiCleaners because we provide:
Deionized water cleaning system Pure, mineral-free water leaves no spotting or calcium residue and dries completely clean — the same purified-water approach we use for window cleaning.
Soft, non-abrasive brush technology Specialized brushes safely remove bonded pollen and debris without damaging coatings.
No pressure washing High-pressure water can force moisture into panel frames and stress mounting hardware. We never use it.
No chemicals or detergents Our water-only method protects roofing materials, landscaping, and surrounding surfaces.
Fully insured, roof-experienced technicians Our team is trained to work safely on roof-mounted systems and around residential properties.
We take care around gutters, shingles, skylights, and surrounding landscaping. We take precautions to prevent runoff from affecting plants and exterior surfaces. No harsh treatments – just a controlled, warranty-safe cleaning process designed to help restore your system’s performance.
Most residential systems in Massachusetts benefit from two cleanings per year – once after peak pollen season in late spring and once in early fall before winter debris accumulates.
Suitable for:
pitched and flat rooftop systems;
ground-mounted arrays;
multi-family residential properties;
homes with heavy tree coverage.
Commercial and industrial solar panel cleaning – protecting performance and ROI
For commercial installations, efficiency loss is revenue loss.
Warehouses, retail centers, schools, municipal buildings, manufacturing facilities, agricultural arrays, and large residential complexes depend on consistent solar performance. Even small efficiency reductions across large arrays can significantly impact return on investment.
Property managers and facility directors work with HiCleaners because we provide:
full General Liability Insurance with COI available upon request;
recurring spring and fall maintenance contracts;
flexible scheduling outside peak business hours;
truck-mounted deionized water systems for large-scale arrays;
documentation and before/after reporting when monitoring data is provided.
We service:
rooftop commercial systems;
solar carport structures;
large ground-mounted installations;
multi-building facilities across Massachusetts and Southern NH.
Planned maintenance supports warranty compliance, stabilizes output, and protects long-term capital investment.
Our solar panel cleaning method – manufacturer-aligned and warranty-safe
Not all cleaning methods are safe for solar panels. Incorrect techniques can permanently damage anti-reflective coatings or void manufacturer warranties.
Our method includes:
deionized water only – no dissolved minerals, no spotting, no residue;
controlled low-pressure rinse – never high-pressure washing;
soft, purpose-built brush systems designed for photovoltaic glass;
zero chemical agents – eliminating the risk of runoff.
This approach is consistent with common manufacturer cleaning guidelines.
How to know when your panels need cleaning
You do not need to climb onto your roof to assess performance. Watch for:
Visible pollen streaks or droppings from ground level.
A noticeable sustained drop in output compared to the same period last year.
More than 12 months since last professional cleaning.
Heavy tree coverage near the system.
Frequent bird activity on or around the array.
If any of these apply, your system may be underperforming.
Professional cleaning vs DIY – what’s the risk?
Using tap water can leave mineral deposits that gradually reduce transmission. Household brushes can create micro-scratches that permanently affect output. Roof access without proper fall protection poses a serious risk of injury.
Professional cleaning can help restore light transmission and improve measurable performance.
Solar panel cleaning service areas
We provide solar panel cleaning across:
Greater Boston;
North Shore;
South Shore;
MetroWest;
North of Boston;
Southern New Hampshire (Nashua, Manchester, and surrounding areas).
Request a free solar panel cleaning estimate
Get your panels operating at full capacity again.
Call 781-333-8758 or request a free estimate online. Most residential quotes can be provided quickly based on system size and panel count.
Deionized water. Warranty-safe method. Fully insured technicians.
Residential and commercial solar cleaning experts serving Massachusetts and Southern New Hampshire.
Yes. Industry studies have shown that accumulated debris can reduce output, particularly in high-pollen regions. Professional cleaning restores light transmission and measurable performance.