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Title 24 Cool Roofs and Solar Panels

How do you make a fluid-applied roof (aka Cool Roof) more energy efficient than it already is? Pair it with other sustainable technologies like solar panels. Cool Roofs and Solar Panels complement each other, increasing a new commercial roofs’ energy efficiency.

With help from Title 24, over the past decade, Cool Roofs have grown into the standard for California commercial roofs. Reflecting the harsh desert sun drastically lowers ambient rooftop heating common in more traditional roofs. Lower cooling and heating costs result, but is it enough for California businesses?

Sustainable Energy Contractors believe a multi-layered approach is the “new normal” for California commercial buildings. A Cool Roof is an effective sustainable technology, but it shouldn’t stop there as reflected sunlight is a missed opportunity.

Cool Roof and Solar Panels

Photo courtesy of Western Colloid

Advantages of Pairing Cool Roofs and Solar Panels

The money you save on electricity pays for your new roof. Typical electricity bill savings can range from 50-80% of your bill. These dollars can go straight to the bottom line or be used to pay for a financed new roof project.

Bundling a Cool Roof and Solar Panels adds savings on the initial investment. Roofing is an essential factor in reducing energy costs. If a roof needs a replacement or retrofit, this should be addressed before adding commercial solar panels. Revel Energy recommends their customers consider bundling their roof needs with commercial solar.

Sealed Off, Leak-Free Bond

Spraying the fluid applied acrylic thoroughly seals any holes or openings between the racking and roof structure.

The highly pliable, elastic qualities perfectly seal off any weak spots or vulnerable areas caused by fastening. Durable acrylics blend the solar panel racks with the roof structure. Ideally, after installing the panels, roofers should spray every anchor and base of the racks creating a counter flashing with the Cool Roof material. This makes both systems one cohesive unit.

Lower Rooftop Temperature

Alone, Cool Roofs lower the ambient temperature which causes excessive heat gain inside the building. Commercial solar panels add another layer of protection absorbing the brunt of the sun rays protecting the actual roof surface. Shaded areas between the panels and roof are cooler than a direct sunlit roof surface. This significantly reduces the overall heat transferred from rooftop to interior.

Electricity rates and demand charges are expected to continue outpacing inflation. Some markets will see even faster growth than others (on average 6% annually for PG&E, SCE, and SDG&E). This is a challenge Southern California businesses need to address. At one time, owners and operators were able to alleviate rising costs with one sustainable technology. Nowadays, there is a strong need for multi-layered sustainable solutions.

Completed Projects

K&M Visser Dairy - Pixley, CA

Long Life Farms - Thermal, CA

Over moment - Hokto Kinoko Commercial Solar - San Marcos, CA

Hokto Kinoko - San Marcos, CA

Project Location:
San Marcos, CA

System Capacity:
1.065 MW

System Size:
2,960 Solar PV Modules

Annual Power Cons. (before):
2,710,000 kWh

Est. Power Savings (after):
60% Energy Savings

Grower and producer of mushroom superfoods in California, Hokto Kinoko utilizes a Revel Energy commercial solar and energy storage installation to reduce energy costs by approximately 60%. One of many California businesses lowering energy costs and raising net income.

View full case study page

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