How Commercial Roof Coatings Save Energy

A reflective roof coating is one of the most cost-effective energy upgrades you can make. Here's how it works and what to expect.

The Science of Cool Roofs

Traditional dark roofs absorb up to 90% of solar energy, converting it to heat. Reflective coatings reverse this:

• <strong>Reflective coatings:</strong> Reflect 80-90% of solar energy
• <strong>Roof temperature reduction:</strong> 50-80°F cooler
• <strong>Interior temperature impact:</strong> 5-10°F cooler

Measured Energy Savings

Studies show reflective roof coatings deliver:

• <strong>10-30% reduction</strong> in cooling costs
• <strong>5-10% reduction</strong> in peak energy demand
• <strong>2-5 year payback</strong> on coating cost

Real Numbers

A 20,000 SF building in Virginia:

• <strong>Before coating:</strong> $15,000 annual cooling cost
• <strong>After coating:</strong> $11,000 annual cooling cost
• <strong>Annual savings:</strong> $4,000
• <strong>Coating cost:</strong> $10,000
• <strong>Payback:</strong> 2.5 years

Cool Roof Standards

ENERGY STAR Requirements

• Initial solar reflectance: ≥0.65
• 3-year aged reflectance: ≥0.50
• Thermal emittance: ≥0.75

Title 24 (California Standard)

Many states are adopting California's cool roof requirements as a model.

Coating Options by Reflectivity

Additional Benefits

Beyond energy savings, cool roofs provide:

• <strong>Extended membrane life</strong> (UV protection)
• <strong>Reduced urban heat island effect</strong>
• <strong>Lower HVAC maintenance costs</strong>
• <strong>Improved occupant comfort</strong>
• <strong>Potential utility rebates</strong>

Is a Cool Roof Right for You?

Best candidates:

• Buildings with high cooling loads
• Older dark-colored roofs
• Buildings with inadequate insulation
• Operations sensitive to interior temperature

Getting Started

NovaRoof can assess your current roof and recommend the best coating system for energy savings. Contact us for a consultation.