Millions of homes are stillequipped with manual thermostats .

数百万家庭仍在使用手动恒温器。

The more advanced programmable thermostats are difficult to use and require constant adjustments . "

高级的可编程恒温器很难使用而且需要不断配置。

Three to four times more smoke detectors are sold per year than thermostats , " fadell admits .

法戴尔承认：“烟雾探测器的年销售量是恒温器的三四倍。”

The system will be controlled by thermostats linked to computers .

该冷藏系统将由联接电脑的恒温器控制。

Energy star estimates that programmable thermostats can reduce energy costs by $ 180 per year .

据节能之星估计，程控恒温器每年可节省能源开销180美元。