Heating and also A/C technology is a field that is ever growing; plus that is a nice thing, as not all the people in the world use a lot of heating plus cooling. But here in this country, the two of us savor it. The two of us are unlikely to ever voluntarily provide up our a/cs down here in the south, plus in the northern reaches of the country people would likely die if they had to go without official heating. And even so, all the people know that oil furnaces plus air conditioning systems are some of the greatest users of energy. Our energy consumption is gigantic, and scientists are aware that there is a limited amount of fossil fuel available to the world, so it is vital that all of us search for alternative fuel sources. It is also vital that the two of us improve heating and A/C technology so that heating plus cooling systems use less energy in the meantime. In recent years, there has been an explosion of heating and A/C technology designed to help the consumer plus help the planet. Smart temperature controls are an easy yet effective tool in the heating plus cooling world. Smart temperature controls have proven to reduce energy consumption plus reduce heating plus cooling costs. And heating and A/C usage sensors are interesting, as well, because my brother has heating and A/C sensors in his house. If the sensors do not detect movement in a room, they reduce the amount of cooling system in that room. Heating and A/C with zone technology, too, is incredible. Heating and A/C with zone control is designed to send heating plus cooling only to those areas of the house that you require! For example, if you have an upper floor that is not consistently used, you can set the temperature control for that floor differently than the temperature control setting for the first floor.