The serviceman diagnose the HVAC system in the house on mechanical room
Launching a Balloon in Flight Mode
Fire burning in the furnace
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Fireplace for interior decor with generation of steam for air humidifying and lighting from little red electric lamps
Air conditioner operating
Cooling off indoors on a warm summer day, close-up
Mounted HVAC system air conditioner return and heating system in home. Move camera shot
The serviceman opens the mechanical room to diagnose the HVAC system in the house
Air pollution - a big industrial pipe pollutes the air in the city - daylight
Air conditioners on side of building dripping
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Densely built urban scenery with smoking chimneys on an early winter morning. Extremely long shot, warm air distortion visible above the buildings.
Air carbon arc cutting at the metal construction factory. Welding metal parts at the factory. Lot of red-hot sparks flies around. Dangerous work at the metal workshop. Heavy industry and metalwork
Man is adjusting heating and ventilation system inside car, close-up of hand
Ventilation on a roof
Air conditioner operating
air conditioning- turn off air conditioner
Acetylene and gas steel storage tanks for welding. Bottled gas cylinders. Oxygen tanks. Gas energy container representing storage and danger
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Densely built urban scenery with smoking chimneys on an early winter morning. Extremely long shot, warm air distortion visible above the buildings.
Ceiling mounted hvac system under insulated air conditioner return in home. Move camera footage
Fan turns in protective casing on roof of skyscraper or high buildings. Heating, ventilation and air conditioning (HVAC). Industrial ventilation system
Mounted HVAC system. air conditioner and heating system in home.
Ventilation lines on top of building
Unrecognized establish two working air heating system. Installing Furnace and Central Heating Pump Duct. Heating and Cooling Work.
Mounted hvac system air conditioner return in home. Move camera shot footage. move camera
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Smoking chimneys on an early winter morning. Warm air visible on rooftop of building.
Aerial view of bulldozer working in hangar in open coal warehouse
Ceiling mounted hvac system under insulated air conditioner return in home in a house under construction. Move camera
AERIAL: Flying over big chimney in heating plant in industrial city
Air pollution problem - a smoke from industrial pipe from the manufacturing plant pollutes the air in the city
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Aerial birds eye view on Bioheat district heating installation next to former power plant Lage Weide in Utrecht, The Netherlands. Energy
Zoom in shot of damaged external air cooling unit with protection cover removed in need of repairing, with malfunctioning internal parts
Unrecognized establish two working air heating system. Installing Furnace and Central Heating Pump Duct. Heating and Cooling Work.
Mounted HVAC system air conditioner return in home. Move camera shot wide footage
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Metal heater installed on the wall of residential building
18-07-2019 Pereslavl-Zalessky, Russia: excited people sitting in the basket of air balloon and waiting for the flight.
Industrial ventilation system on roof of skyscraper or high buildings. Fan turns in protective casing. Heating, ventilation and air
Industrial factory. The view from the window.
Aerial view of Coal power plant Throwing ash Into the atmosphere during sunrise. Industrial factory pipes emission carbon gases in atmosphere.
Ceiling mounted hvac system under insulated air conditioner return in home in a house under construction
Chemist and his laboratory assistant makes experiment with egg and fire
Ceiling mounted hvac system under insulated air conditioner return in home in a house under construction. Move camera
Exhaust ventilation system with smoke coming out on side of building 4k
Close up Hands of workman using drill, Installing Furnace and Central Heating Pump Duct. Heating and Cooling Work.
Ceiling mounted hvac system under insulated air conditioner return in home. Slide shot
Ceiling mounted hvac system under insulated air conditioner return in home. Move camera shot
Rooftop of building with ventilation
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Close up of worker in gloves turning gas cylinder valve. Industrial background of factory.
Mounted hvac system air conditioner return in home. Wide camera shot footage