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夏季马上到来了，空调是每天要用的，定频和变频到底有什么区别，哪种更节能、更实用？

来源：永拓机电更新时间：18-03-16

夏季马上要到了，又到了马上热成狗的季节了，空调也就成了我们必备的消暑利器！但买空调时变频和定频又成了摆在我们面前的一道难题！

回答前先为大家普及一下什么是变频空调，什么是定频空调！首先说什么是变频空调？

变频空调：变频空调开机后，为快速到达设定温度会高频率运转，快速制冷。当房间温度到达设定温度后，开端以低频率运转，温和送风，低噪音运转，坚持房间安静、温度稳定。变频空调没有频繁启动形成对紧缩机和整机系统的影响，有效延长运用寿命。

再来说什么是定频空调？

定速空调：定速空调开机后，频率固定不变，制冷速度较慢。温度到达设定温度即中止运转，待温度变化超出一定的范围，定速空调再次启动，如此重复，温度在一定范围内动摇变化。频繁的启停对紧缩机和整机系统影响较大。

了解了以后我们再来分析一下两者的区别：

变频空调和定频空调的区别？

变频空调高功率启动运转，疾速到达设定温度，低功率维持，室温均衡，因此制冷制热疾速、省电、室温动摇小。定频空调以固定功率运转，经过频繁开关机维持室内温度，因此制冷制热速度迟缓，对家庭电网冲击大，室温动摇大。

但变频空调节电的前提是每次开机时间较长，一般超过5小时，这样才能充分发挥其节电的优势。因为变频空调刚开机时，压缩机处于高速运转状态，此时的耗电量很大，使室内温度快速达到所设定的温度。如果开机时间较短，变频空调就无法发挥其节电的优势，甚至比普通定频空调还费电。

综上所述！想要使用空调时节能，就要合理选择两种空调了，建议长时间使用的地方选择变频空调如卧室！不常用的地方选择定频空调如客厅！

更专业的咨询：177-8061-1335/189-8081-9015

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