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Cool Roof Energy Calculator

Dow Cool Roof Energy Calculator

Energy efficiency in modern buildings offers significant potential for achieving sustainability targets like reduced CO2 emissions while at the same time improving living standards of urban populations. The most significant contribution to this is reducing the amount of energy used to control the internal temperatures of buildings. This can be achieved through thermal insulation in cooler climates, while in warmer geographies measures that mitigate the effects of solar radiation such as Cool Reflective Roof Coatings (CRRC) are very effective.

Cool Reflective Roof Coatings (CRRC)

A cool reflective roof coating not only helps reduce internal temperatures and thus energy cost for cooling; it also helps to prolong the service life of roofs by providing protection against climatic elements.

Dow’s Cool Roof Energy Calculator

Dow’s Cool Roof Energy Calculator has been designed to help you estimate possible energy savings by using CRRC technology on your roof. Overall energy consumption as well as room and roof temperatures are calculated by performing building energy simulations for 3 types of buildings (residential, commercial and warehouses) at different roof & wall build ups and sizes in 15 selected cities from across Europe, the Middle East, Africa and India

Find out how you can increase energy efficiency and reduce energy costs for your buildings

 

Select your building parameters

Building type

City

Roof area (m2)

Roof Insulation (mm)

Wall Insulation (mm)

See details of your selection

Roof type

Concrete

Mean winter / summer temp (°C)

7°C / 34°C

Mean relative humidity (%)

61

Check insulation properties of your building

U Value for walls

5.84 W/m²K

U Value for roof

4.72 W/m²K

Check energy saving with
Cool Roof Coating

Solar
Reflectivity

Emissivity

HVAC
Consumption
(kWh/year)

Energy
Saving (%)

Without CRRC

50

90

88,777

-

With CRRC

90

90

88,063

0.8

After dirt
pick-up

70

90

86,588

2.5

Check thermal comfort with
Cool Roof Coating

Max. Roof
Temperature
(°C)

Drop (°C)

Without CRRC

49

-

With CRRC

33.4

15.6

After dirt
pick-up

41

8

Calculate your savings and payback time

Enter your data

Electricity cost ($/kWh)

Coating cost ($/Kg)

Coating application cost ($/m²)

Result

Annual energy savings (kWh)

714

Annual Savings ($)

0

Payback time (month)

0