Air ventilation on top of a roof.

eduardo.andrade.barrientos

A low angle shot of a chimney against a clear blue sky

sebastian.pichler

A roof of a house with a pipe on it in Israel

david.lancaster

Historic wind-catch tower in Yazd, Iran, containing traditional ventilation system based on heat-exchange method used in buildings in southern Iran.

peter.henry.tucker

A aerial view on city out of window of a plane

laurin.hoenig

A satellite top view of the Balaton lake in Hungary

doralin.samuel

An aerial shot of a beautiful cityscape near mountains with a birds' flock in the sky

recep.ortac

A low angle shot of the rood of small house on lush green hilltop in Germany against blue cloudy sky

emanuele.pasin

A low angle shot of a passenger plane flying in blue sky with building roof in the foreground

j.coleman.photography

A cafe with dilapidated walls and roof

justin.curtis

A closeup of small pink and white fans on a white table

natalie.portman

Some air conditioner units (HVAC) attached to an industrial building

matthias.gehrke

A vertical shot of a rusty ventilation window on a grunge wall

martin.debus

A contemporary kitchen with sink and AC unit

carsten.schertzer

A vertical shot of a military aircraft with a star under the roof

zvart.manukyan

A vertical shot of a building chimney with clouds like smoke

don.pezzano

An aerial view of outdoor swimming pools on a roof in Hong Kong

nick.lai

An aerial shot of a Lefkada city by a drone

leoni.groeneboer

Close up of a Female Hand operating a Remote control of a Domestic Air conditioner unit of a modern house

fotodestock

A steel pipe of roof chimney without smoke exhausts waste gas from traditional heater out of home

shotmedia

A modern interior of an open-air cafe

damián.méndez

A silhouette bird flying and landing on a brick roof with a light sky on the background

andreas.furil

a black duct stuck into a white wall

denise.hasse1

Old tv antenna on roof of house latin america, television technology.

byron.ortiz