feedwater

noun 0.820

hot water heater

noun 0.672

water heater

noun 0.671

superheater

noun 0.652

heat exchanger

noun 0.616

heater

noun 0.591

hot water

noun 0.585

space heater

noun 0.583

steam boiler

noun 0.567

domestic hot water

noun 0.567

aftercooler

noun 0.567

block heater

noun 0.564

space heating

noun 0.558

formation water

noun 0.556

boiler

noun 0.553

steam drum

noun 0.547

boiler tube

noun 0.547

pressurized water reactor

noun 0.542

heat engine

noun 0.542

cooling tower

noun 0.537

underfloor heating

noun 0.536

waterer

noun 0.536

reheat

noun 0.533

heat pump

noun 0.529

water cooler

noun 0.525

heating oil

noun 0.522

heating

noun 0.520

intercooler

noun 0.517

steam turbine

noun 0.516

deaerator

noun 0.512

hot well

noun 0.511

district heating

noun 0.510

water softener

noun 0.505

electric fire

noun 0.505

water gas

noun 0.504