英文關鍵字
apartment
closeup
cold
comfort
control
controller
cool
cost
crisis
domestic
economical
economy
efficient
energy
gas
hand
heat
heater
heating
home
hot
house
housing
increase
install
interior
knob
off
open
power
radiator
reduce
regulator
save
supply
system
temperature
thermostat
turning
twist
unscrew
use
valve
warm
warmth
water
white
winter