If your energy bills keep climbing every summer, your roof might be part of the problem.
Yes, roof cleaning can significantly improve your home’s energy efficiency. A clean roof reflects more sunlight and absorbs less heat, which means lower attic temperatures and reduced cooling costs. On the flip side, a dirty roof covered in algae, moss, and debris works directly against your air conditioning system, forcing it to run longer and harder.
The difference isn’t small. Dark stains and organic growth reduce a roof’s solar reflectance, making it absorb more sunlight and run hotter than a clean roof. That heat goes straight into your attic and then into your living spaces, driving up your energy bills month after month.
Let’s break down exactly how this works and what you can do about it.
How Roof Cleaning Improves Energy Efficiency
Professional roof cleaning reverses all that damage and gets your roof working for you again instead of against you.
Here’s what happens when you clean your roof:
- Clean roofs reflect heat instead of absorbing it. A clean roof bounces sunlight away from your home. The surface temperature of your roof can drop significantly after a thorough cleaning.
- Attic temperatures drop dramatically. Cleaning a stained roof can restore reflectance, helping the roof and attic run cooler. Studies on higher-reflectance roofs show attic air temperatures can drop by a few degrees, sometimes up to about 10°F, depending on materials, color, and ventilation.
- Your HVAC system works less. When your attic isn’t radiating heat down into your home, your air conditioning doesn’t have to fight an uphill battle.
The cost savings are real:
- Lower cooling costs during hot New Jersey summers
- Reduced wear and tear on your HVAC equipment
- Longer equipment lifespan because it’s not overworking itself
- Energy savings that often pay for the cleaning within one season
How A & J Reliable does Roof Cleaning in New Jersey

A & J Reliable’s soft wash roof cleaning uses low-pressure equipment and manufacturer-approved solutions to kill algae, moss, and lichen at the root without lifting granules or risking shingle warranties. Our trained techs protect landscaping, flush gutters, and rinse thoroughly so your roof reflects heat better and your attic runs cooler almost immediately.
The Bottom Line: Yes, Roof Cleaning Improves Energy Efficiency
Roof cleaning absolutely improves energy efficiency in New Jersey homes. By removing heat-absorbing algae, moss, and debris, a clean roof reflects more sunlight, keeps your attic cooler, and reduces the strain on your air conditioning system. The result is lower energy bills and a more comfortable home all summer long.
The energy savings often pay for the cleaning service within a single cooling season. You’re not only spending money on maintenance. You’re making an investment that puts money back in your pocket every month. Ready to lower your energy bills and improve your home’s efficiency? Contact us online or give us a call at (877) 492-9014 for your free estimate today. We provide clear, honest estimates, and if you ever need urgent help, our emergency services are available around the clock.
Contact Us Today for a Free Estimate!
Embrace the future with confidence under a roof that’s built to last.





