升级热水器用英语怎么说

升级热水器用英语可以翻译为 "upgrade the hot water heater" 或者 "replace the hot water heater with a new one".
"Upgrade" 是一个动词，意思是 "使更新；使更加先进"。
"Hot water heater" 是一种设备，用来生产热水。它通常由一个储存热水的水箱和一个加热器组成。
一些英文例句和中文翻译如下：
I need to upgrade my hot water heater because it's not working as efficiently as it used to.
我需要升级我的热水器，因为它不像以前那样高效了。
My landlord agreed to upgrade the hot water heater in our apartment building.
我的房东同意在我们公寓楼里升级热水器。
I'm considering upgrading to a tankless hot water heater to save energy and space.
我正在考虑升级到无罐热水器，以节省能源和空间。