Keeping solar panels clean is critical to ensuring they perform optimally and are generating the returns you expect. Do you have a regular cleaning program in place?


Wondering how to clean the solar panels on your roof? Unsure of what to use to clean your solar panels? No doubt, it can be a daunting and difficult task - which is why RFFM offers professional solar panel cleaning services across Victoria. We know the best way to clean solar panels and will do all the hard work for you!​

Though you may be unaware, there are benefits of cleaning solar panels. Dust, dirt, bird droppings are just some of the contaminants that’s affecting the productivity of your solar panels. Studies show that as little as 4 grams of dust per square meter can decrease power efficiency by up to 30%. Regular cleaning (every 6 to 12 months) of your solar collection is fundamental to it operating at full capacity and in turn you are reaping the benefits.


A solar panel typically consists of solar cells covered by a protective glass, and as they are exposed to external elements, the more likely it is they will get dirty and require cleaning. Essentially, the dirtier the panel the less amount of electricity they will produce. While there may be other factors that affect how much electricity solar panels can produce, dirty solar panels are a major one.


RFFM has carried out solar panel cleaning on businesses across Victoria and developed tried and tested methods to optimise our service to guarantee customer satisfaction. Your solar panels are an expensive investment and it is wise to ensure they are cleaned by fully insured and trained professionals.


At RFFM we pride ourselves in working hard and achieving outstanding results. We strive to be leaders in our field in all that we do. We distance ourselves from our competition as not only experts in solar panel cleaning but also specialists in the installation of NANO COATING for solar applications.


Solar panels, whilst being great for the environment and help add to a greener future, are a great way to save money on your energy bills. Therefore, you want your investment to be well maintained and cleaned in order for its lifespan to be increased and a ensure it always runs at its maximum capability.

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Their professionalism, honesty and efficiency has been clearly evident throughout this

Their dedication to ensuring they consistently provide the most outstanding service to their
clients has been exceptional in our experience.


Christos Apostolakis


‘RFFM’ and their staff have always been reliable and gone the extra mile. They have
completed all tasks required to the utmost satisfaction of myself and my clients and we look forward in continuing our relationship for many years to come.

Bernhard Ziegler




What happens when solar panels are dirty?

Everything from dust to grime to fallen leaves can get on your solar panels and cause efficiency problems. Leaves are obvious. Dust, grime, and pollen are less obvious, but they do also reduce efficiency significantly

How can I save money with solar panel cleaning?

When your solar panels are back to working at full capacity, you will save much more money on your electricity. Most homes and businesses that use solar panels are still hooked up to the grid, and the owners get money back from the utilities companies for feeding energy into the grid. Higher efficiency means higher amounts of electricity, which in turn means more savings and higher kickbacks from your utilities company.

How often should I have my panels cleaned?

Depending on your location, usually annually is sufficient however in some areas it is necessary to have the panels cleaned twice a year.

What affects your long-term solar production?

  • Dust
  • Grime
  • Pollen
  • Leaves
  • Tree Debris
  • Bird Poop
  • Salt Water (If near Ocean)
  • Corrosion
  • Rain and Water Spots

Can I clean my own panels?

Never attempt to clean your own panels. Apart from the associated risks when climbing on a roof, a professional will be aware of electrical faults and avoid possible electric shocks.

But the rain cleans my panels. Doesn't it?

You only need to look at your car after it has been out in the elements for a period of time. What was once a clean white car is now a shade of brown. Rain actually contributes to the problem especially if your panels are affected by lichen or the tilt of the panels is minimal.

I was told my panels are self-cleaning?

NO. It’s a sales gimmick. Solar companies are primarily selling solar systems with large profits and are more interested in the thousands of dollars they can make from a new sale, not the pocket change from actually providing customers with a full-service offering.

How much money are you losing by not cleaning your panels?

  • *This is an average Solar System that has not been cleaned
  • Year 1 Q1: 5% Energy Loss
  • Year 1 Q2: 10% Energy Loss
  • Year 1 Q3: 15% Energy Loss
  • Year 1 Q4: 20% Energy Loss
  • Year 2 Q1: 25% Energy Loss
  • Year 2 Q2: 30% Energy Loss
  • Year 2 Q3: 35% Energy Loss
  • Year 2 Q4: 35% Energy Loss

Will nano coating leave residue on the panels?

In simple terms NO... the coating is Invisible to the human eye (coating thickness: 50 - 60 nm)

Is it safe to use and is it environmentally friendly?

The product we use has been extensively tested and found to be Biologically safe and Ecologically beneficial.

How does it self-clean?

Once applied it becomes part of the surface giving the surface hydrophobic and self-cleaning properties. The coating's self-cleaning effect stops dust, pollen, pollution and bird faeces from sticking to solar panels and water simply beads off when it rains

Will nano coating save me money?

YES, dirty panels can lose up to 30% efficiency in a relative small space of time and nano coating keeps them cleaner for longer. You also save on cleaning cost as cleaning coated panels is much easier in comparison to uncoated panels.

Do you need rain for the coating to work?

Rain is ideal as the water droplets bead off the panels taking any contaminants with it; however it is just as important to have panels coated in areas where rain is minimal as it stops contaminants sticking to the surface with its self cleaning properties.

Are RFFM solar specialist trained in panel cleaning?

All RFFM workers are industry specialists with years of experience. They are fully trained, insured and ready to work.



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