A new boiler would pay for itself within two years.

【pay】一台新锅炉用两年就够本了。

To try to achieve this, new homes in the UK will be banned from installing new gas and oil boilers by 2025.

为了实现这一目标，到 2025 年，英国的新住宅将禁止安装新的燃气和燃油锅炉。

The second event was a dispute over an ill-prepared law that would have in effect banned new fossil-fuel boilers from homes in place of greener heat pumps.

第二件事是关于一项准备不足的法律的争议，该法律实际上禁止家庭使用新的化石燃料锅炉代替更环保的热泵。

And she thought for a while that it was a neighbour hoovering at weird times or got a new boiler or something like that.

她想了一会儿， 这是邻居在奇怪的时候吸尘器， 或者买了一个新锅炉或类似的东西。