英文關鍵字
apartment
batterie
battery
boiler
central
climate
closeup
cold
comfort
construction
control
domestic
economy
electric
energy
europe
hand
heat
heater
heating
home
hot
house
household
installation
metal
object
pipe
plumbing
power
radiator
regulator
room
season
service
technology
temperature
thermal
thermostat
valve
wall
warm
warmth
white
winter