house in winter - heating system concept and cold snowy weather with model of a house wearing a knitted cap
Schlüsselwörter
home,
house,
warm,
business,
ecology,
economy,
property,
save,
winter,
construction,
family,
finance,
isolated,
paper,
roof,
insulation,
cold,
background,
building,
class,
concept,
consumption,
efficiency,
energy,
green,
hat,
heat,
household,
market,
money,
protection,
ranking,
technology,
thermal,
accounting,
bill,
climate,
commerce,
currency,
electricity,
growth,
model,
nature,
power,
safety,
savings,
tax,
temperature,
white
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