機器
ac
air
building
central
climate
cold
commercial
compressor
condenser
condition
conditioner
conditioning
construction
control
cool
cooler
cooling
electric
electrical
electricity
energy
equipment
fan
heat
home
hot
house
hvac
industrial
industry
machinery
metal
office
old
outdoor
outside
power
refrigeration
repair
residential
roof
rooftop
sky
system
technology
temperature
unit
vent
ventilation