robot vacuum / robot vacuum cleaner / roomba 扫地机器人
What is the best inexpensive robot vacuum?
最好的便宜扫地机器人是哪一款？
You should get a robot vacuum cleaner.
你应该买一个扫地机器人。
Do roombas really work?
扫地机器人真的有用吗？

dishwasher 洗碗机
It wastes energy to run the dishwasher half empty.
洗碗机只塞满一半就运转真是能源的浪费。

washing machine 洗衣机
front-loading washing machine 滚筒洗衣机
top-loading washing machine 立式上开门洗衣机

smart outlet / smart plug 智能插座
You can control your electronic appliances remotely with a smart outlet.
用智能插座你就能远程控制你的家电。

door lock 门锁
face recognition door lock 面部识别门锁
fingerprint door lock 指纹识别门锁
biometric door lock 生物识别门锁
security door 防盗门

air purifier / air cleaner 空气净化器
An air purifier can help to improve indoor air quality.
空气净化器可以改善室内空气质量。

water purifier / water filter 净水器
Water filters and purifiers remove contaminants and impurities from water to make it more suitable for drinking and cooking.
滤净水器去除水中的污染物和杂质，使其更适合饮用和烹饪。

water heater 热水器
A water heater provides the hot water which makes it possible to take a hot shower.
热水器提供热水，可进行热水淋浴。

air-conditioner / AC 空调
You should learn about different kinds of air conditioners and check out air conditioner reviews and buying guides.
你应该了解不同类型的空调，并查看空调的评论和购买指南。