Sentences with phrase «of waste heat before»

We have discussed the issue of waste heat before, in the context of both incandescent lightbulbs and the cogeneration of heat and power.

Not exact matches

That was before we found out that the heating is provided by a noisy warm air system activated more often than required because the window didn't close properly: waste of energy and... of sleep.

We've covered examples and low - tech tips on how to do this before, and now Spanish industrial designer Fabio Molinas takes this low - tech approach further by combining the waste heat of a conventional fridge with time - honoured tradition of using of clay to cool down perishables.

It can no longer return itself to the previous orderly motions before the molecules began to collide with each other and it is the work done by the force of gravity as it collects up the molecules that is getting «wasted» in the form of heat, and can only partially be converted back to work, and is why the Temperature is increasing.

Relying on the purchase of large swaths of subsidized photovoltaic's or complex and expensive heating / cooling systems to reduce the energy signature of a building before using more economical strategies such as efficient appliances, good insulation, windows, and airtightness is widely accepted as a waste of resources (materials and money).