機器
ac
air
appliance
background
blower
building
business
climate
cold
comfort
commercial
compressor
condition
conditioner
conditioning
cool
cooler
cooling
electric
electrical
electricity
energy
environment
equipment
fan
heat
home
hot
house
hvac
industrial
industry
machinery
mechanical
metal
office
power
refrigeration
summer
system
technology
temperature
turbine
unit
vent
ventilation
ventilator
wall
warm