機器
air
background
blue
building
climate
cold
comfort
compressor
condition
conditioner
conditioning
control
cool
cooler
cooling
device
electric
electrical
electricity
energy
equipment
exterior
fan
floor
heat
home
hot
house
industrial
industry
machinery
metal
modern
office
outdoor
outside
pipe
power
refrigerant
repair
residential
side
system
technology
temperature
unit
ventilation
wall
white