Sentences with phrase «effective solar water heating system»

Not exact matches

Solar water heating systems are best suited to warm climates, but they can be effective in colder climates as well.

That's unfortunate, according to scientists at the Dr Panjabrao Deshmukh Agricultural University in India, because using the sun's power to heat water is a far more efficient process and offers a much quicker return on investment: According to their analysis, published in the International Journal of Global Energy, as the payback time for a solar water heating system is about two years (with a lifespan of 20), this is a far more cost - effective use of solar energy in the developing world than using it to generate electricity.