Registered PV Service Provider
Empowering Malaysia with sustainable solar solutions
End-to-end solar solutions for homes & businesses
Offices: Kuala Lumpur • Malacca • Johor Bahru
Reduce electricity bills • Cleaner environment
☀️ Solar ATAP 2026 NEW
Launching 1 Jan 2026 🚀

2026 Spring Cleaning: Did You Forget Your Roof? (Dust Eats 15% of Solar Energy)

2026 Spring Cleaning: Did You Forget Your Roof? (Dust Eats 15% of Solar Energy)

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Spring Cleaning Fact: You’ve cleaned the floor, the windows, and the curtains. But the most expensive appliance in your house—your solar panels—is likely covered in a year’s worth of bird droppings and dust.

In Malaysia, February is often hot and dry. While this sounds great for solar generation, it’s actually a double-edged sword. Without rain to wash them, dust accumulates rapidly. Research shows that dirty panels can lose up to 15-20% efficiency [web:131][web:134].

Why “Just Waiting for Rain” is Dangerous

Rain doesn’t clean your panels; it often just smears the dirt, similar to a dirty car windshield in light rain. More importantly, localized dirt (like a single bird dropping) can cause a “Hotspot Effect”.

🚫 The Dirty Risk

Blocked cells overheat because they can’t pass current. This permanent heat damage creates “burn marks” that void your manufacturer warranty.

✅ The HOMI Clean

We use de-ionized water and soft rotating brushes. No chemicals. No scratches. Just 100% restored potential.

💸 The “Dust Tax” Calculator

How much money are you losing to dust right now?



HOMI Professional O&M Service

Don’t climb the roof yourself with a garden hose (it’s slippery and tap water leaves limescale!). Our Spring Cleaning Package includes:

  • Visual Inspection: Checking for micro-cracks or loose clamps.
  • Inverter Health Check: Vacuuming air vents to prevent overheating.
  • De-ionized Wash: Streak-free finish for maximum light absorption.
Book a “Prosperity Clean” Slot

FAQ: Solar Maintenance

Can I just use tap water to wash my panels?

We don’t recommend it. Tap water contains minerals (calcium) that leave white spots (calcification) when dried in the sun, which can block sunlight and attract more dust.

How often should I clean my solar panels in Malaysia?

For residential homes, once every 6-12 months is sufficient. If you live near a construction site or busy highway, you might need cleaning every 3-4 months.

Does cleaning affect my warranty?

Professional cleaning protects your warranty by preventing hotspots. However, walking on panels or using harsh chemicals will void it. Always use a professional service.