For these technologies to work at optimum efficiency, however, buildings must be well insulated – which is where the sheep come in.
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Electric heat pumps, mechanical ventilation systems and smart temperature control software all offer energy efficiency improvements. Now the rise of renewable electricity generation, and the push for energy efficiency across the building sector, is giving property owners the chance to increase property value 4 while reducing both their bills and carbon footprints. Now the rise of renewable electricity generation, and the push for energy efficiency across the building sector, is giving property owners the chance to increase property value In the US, it is estimated that 35% of all energy consumed in the residential and commercial sectors goes to waste 3.
Yet, much of this energy is wasted, as heat leaks out of draughty buildings or, in hot climates, penetrates from the outside. The rest come from day-to-day operations – the electricity consumed to power appliances and buildings systems, and the fossil fuels burned for heating. 6% of this comes from construction, and the manufacture of the cement, steel, aluminium and other materials the industry needs. The world’s buildings are responsible for around one third of all greenhouse gas (GHG) emissions 2. Now, though, sheep farmers may be on the cusp of discovering an unexpected new profit pool – in buildings. In many regions, prices are so low they are leaving farmers out of pocket, with the cost of shearing higher than the income from the sale of wool. Most of these sheep come from lineages bred for their thick coats – the need for shearing is man-made. Around the world there are more than 1.2 billion sheep, together carrying enough wool to make a new sweater for nearly every person on the planet 1.
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