今冬 ,哈尔滨市环保局用上了环保型地温中央空调 ,从而使整个办公大楼成了“绿色大楼”。地温中央空调采用的是一项具有国际先进水平的高新技术———低温地热取暖技术。也是近年来国际上积极推广使用的环保节能技术。由于地下水的温度一直恒定在 5～15℃之间 ,该技术就是利用 This winter, Harbin Environmental Protection Agency spent on environmentally friendly central air-conditioning temperature, so that the entire office building has become a “green building.” Ground temperature central air conditioning is a high-tech with the international advanced level --- low-temperature geothermal heating technology. It is also an environmentally friendly and energy-saving technology actively promoted and used internationally in recent years. As the groundwater temperature has been constant between 5 ~ 15 ℃, the technology is to use