Frosty Heat Pump Challenge. A heat pump unit covered in ice and snow during a cold winter day.
Palabras clave
winter,
snow,
green energy,
energy efficiency,
heating,
cooling,
ice,
cold,
glacé,
air conditioning,
condenser,
evaporator,
compressor,
fan,
filter,
ventilation,
energy saving,
renewable energy,
environment,
home,
house,
residential,
backyard,
garden,
landscape,
nature,
tree,
branch,
sky,
cloud,
sunset,
dusk,
twilight,
day,
daytime,
evening,
night,
dark,
light,
illuminated