機器
ac
air
air compressor
air conditioner
apartment
background
building
clean
climate
cold
compressor
condition
conditioner
conditioning
condominium
control
cool
cooler
cooling
electric
electrical
electricity
energy
equipment
fan
heat
home
hot
house
industrial
industry
machinery
metal
office
outdoor
outside
power
residential
system
technology
temperature
terrace
two
unit
up
ventilation
wall
white
window