boilers
n. countable B1 Intermediate US //ˈbɔɪɫɝz// UK //bˈɔɪləz// boil·ers
n. a machine that heats water or air to warm a building or provide hot water for taps.
n. a device that generates heat by burning fuel or using electricity, typically to supply hot water for domestic use or central heating.
The new boilers keep the house warm in winter.
The landlord replaced the old boilers to save money on energy bills.
Modern condensing boilers recover waste heat from exhaust gases, significantly improving overall thermal efficiency compared to older models.