This unit draws excess superheat from the refrigerant and exchanges this heat with water circulating to and from the hot water tank. In many areas, the unit will provide approximately 50% or more, of domestic hot water needs. The unit can also easily be modified to heat a hot tub or swimming pool, as well as provide heat for a hydronic (in floor) heating system and other heating and cooling distribution systems.
The ancients to the early moderns appear never to have considered the 4 elements in the 3 dimensions in which matter in fact exists. Here, then, are the 4 elements arranged as the 4 points of the 1st Pythagorean solid, a tetrahedron.
?. (2004)Although this article is geared for high school, many of the ideas can be adapted for younger learners. Think about ecology units, earth day activities, and community service days..