In most countries, buildings use one third of all energy consumed and two thirds of all electricity (summer and winter). Due to the high energy usage, buildings are a major source for pollution that reduces urban air quality and adding pollutants which directly, or, indirectly contribute to climate changes. Energy consumption in buildings accounts for 49 percent of sulfur dioxide emissions, 25 percent of nitrous oxide emissions, and 10 percent of particulate emissions.

To be able to achieve energy-efficient buildings it is crucial to using proper insulation. Understanding how heat is transferred, how we gain or lose heat in summer or winter is essentials for making the right insulation choice. Polynum™ reflective products are designed to improve building fabric (envelop) resistance to heat gain or heat loss!

In hot countries, and in summer time, majority of heat gain is in the form of Radiation (Link to radiation popup window). The graph below shows the proportion of heat transferred through buildings’ envelops (we have to re-design similar graphs, see below link):

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