Category: Renewable Energy – The Facts

Example 3: Efficient pumps

More efficient pumps and pump controls would save many billions of kilowatt-hours of electricity and heat in homes, businesses and industrial plants. But this change would require decision-makers to be better informed and tradespeople better trained; in addition, we would need an investment philosophy that accepts higher investment costs in return for lower operating costs.27 […]

Passive solar energy

‘Passive’ solar energy means that solar energy is used to help heat a building in the winter without any complicated technology, such as pumps, heating circuits, etc. There are basically two ways to use solar energy passively:3 1 Special components, such as windows, glass facades and transparent insulation. The type and design of the windows […]