3381 results for: efficiency

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A man mops the floor in a modern kitchen, engaging with a playful dog. The cheerful scene captures

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A man mops the floor in a modern kitchen, engaging...

Retail employees in a stylish bag store use a tablet to enhance customer service. The bright

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Retail employees in a stylish bag store use a tabl...

A hand delicately points at a miniature wind turbine on a green background, symbolizing sustainable

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A hand delicately points at a miniature wind turbi...

A person in gloves plugs a yellow electric car into a charging station. The scene highlights

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A person in gloves plugs a yellow electric car int...

An overwhelmed and stressed worker at her desk, hands on head as her colleagues hand her documents

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An overwhelmed and stressed worker at her desk, ha...

A man working in a soundproof cubicle in a coworking space. The environment combines privacy with a

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A man working in a soundproof cubicle in a coworki...

Energy efficiency classes, core refurbishment of an old villa in Remscheid, Germany

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Energy efficiency classes, core refurbishment of a...

A woman in a white shirt and jeans sits on a couch, multitasking with a laptop and phone,

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A woman in a white shirt and jeans sits on a couch...

Young heating technician maintains a heating system, service work technician heating Vienna,

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Young heating technician maintains a heating syste...

A robotic hand grips a glowing bubble with AI against a dark backdrop, symbolizing progress in

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A robotic hand grips a glowing bubble with AI agai...

A vibrant yellow electric car is connected to a charging station via a red cable. The focus is on

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A vibrant yellow electric car is connected to a ch...

A traveler makes a contactless payment using a mobile phone at a modern airport kiosk The scene

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A traveler makes a contactless payment using a mob...

A young woman carefully pours bright blue liquid detergent into a cap while sitting beside a

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A young woman carefully pours bright blue liquid d...

Modern sustainable building showcasing vibrant, colorful portals and low-emission materials. The

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Modern sustainable building showcasing vibrant, co...

Professionals collaborating in a cozy coworking space in Barcelona, highlighting teamwork,

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Professionals collaborating in a cozy coworking sp...

Professional working inside a modern coworking space in Barcelona. He's seated at a desk, engaged

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Professional working inside a modern coworking spa...

A professional office environment with a man using a laptop while sitting on a desk, and colleagues

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A professional office environment with a man using...

A focused professional sits at a sleek office desk, multitasking with a phone call while using a

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A focused professional sits at a sleek office desk...

A woman is working inside a van, surrounded by the vibrant autumn foliage of New Zealand. She holds

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A woman is working inside a van, surrounded by the...

Two children, seated in the back of an electric car, look out the window, enjoying the scenery. The

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Two children, seated in the back of an electric ca...

Fuel station attendant refuels vehicles at a petrol pump in Guwahati, India, on March 11, 2026. Oil

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Fuel station attendant refuels vehicles at a petro...

A single wind turbine stands on a dry, hilly landscape under a dynamic sky filled with fluffy

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A single wind turbine stands on a dry, hilly lands...

A contemporary urban scene featuring a moving walkway in a busy public transportation station with

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A contemporary urban scene featuring a moving walk...

A motorcycle cleaning expert uses a spray gun for a thorough wash. The process ensures a pristine,

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A motorcycle cleaning expert uses a spray gun for ...

Two professionals engaged in work at a coworking space in Barcelona. One person is smiling on the

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Two professionals engaged in work at a coworking s...

Experience a dynamic coworking environment in Barcelona, featuring a modern office setup.

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Experience a dynamic coworking environment in Barc...

A group of diverse professionals collaborate in a modern coworking space, sharing ideas and working

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A group of diverse professionals collaborate in a ...

A woman is lying on a blanket outdoors in a park, using her laptop for work. She enjoys the serene

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A woman is lying on a blanket outdoors in a park, ...

A smiling man with a tablet stands in a modern coworking space, showcasing a bright, collaborative

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A smiling man with a tablet stands in a modern cow...

A vibrant coworking space in Barcelona where professionals collaborate in a stylish and productive

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A vibrant coworking space in Barcelona where profe...

Detached house with various solar modules, in addition to solar panels on the roof of the house,

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Detached house with various solar modules, in addi...

A hand gently holds a miniature white wind turbine against a vibrant green background, symbolizing

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A hand gently holds a miniature white wind turbine...

Evening atmosphere, Cologne Cathedral illuminated with LED lamps and the Hohenzollern Bridge,

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Evening atmosphere, Cologne Cathedral illuminated ...

Evening atmosphere, Cologne Cathedral illuminated with LED lamps and the Hohenzollern Bridge,

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Evening atmosphere, Cologne Cathedral illuminated ...

Business man wearing a blazer and backpack, walking outside a modern office building while checking

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Business man wearing a blazer and backpack, walkin...

A young professional sits at a wooden desk, reviewing documents with a pen in hand. The modern

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A young professional sits at a wooden desk, review...

The UNIPER Datteln 4 coal-fired power plant, power plant block and cooling tower, cogeneration,

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The UNIPER Datteln 4 coal-fired power plant, power...

Cologne Cathedral, has been shining in new light since Easter 2025, the old metal halide lamps have

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Cologne Cathedral, has been shining in new light s...

Gas supplies from Russia only against Russian rubles, energy crisis, embargo, natural gas, Nord

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Gas supplies from Russia only against Russian rubl...

A robotic hand grips a glowing bubble with AI against a dark backdrop, symbolizing progress in

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A robotic hand grips a glowing bubble with AI agai...

Two heat pumps are elevated on a wall in Wuppertal, Germany

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Two heat pumps are elevated on a wall in Wuppertal...

The Lausward combined heat and power plant in Düsseldorf, gas and steam turbine power plant,

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The Lausward combined heat and power plant in Düss...

The Höegh Esperanza, an LNG storage and vaporisation vessel, is moored at the LNG terminal near

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The Höegh Esperanza, an LNG storage and vaporisati...

A stylish and welcoming entrance featuring a staircase, a doorway to the outside, and natural light

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A stylish and welcoming entrance featuring a stair...

A woman in comfortable pajamas sits on a gray sofa using a laptop, surrounded by a cozy setting

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A woman in comfortable pajamas sits on a gray sofa...

A sleek, minimalist workspace in office features a laptop and smartphone on a white desk, ideal for

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A sleek, minimalist workspace in office features a...

Balcony power plant on an apartment block in Monheim am Rhein, Germany

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Balcony power plant on an apartment block in Monhe...

Three professionals engage in a strategic meeting at a sleek office, outlining future projects on

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Three professionals engage in a strategic meeting ...

Wind farm near the East Frisian town of Norden, east of the town, sunset, Lower Saxony, Germany

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Wind farm near the East Frisian town of Norden, ea...

Energy efficiency classes, core refurbishment of an old villa in Remscheid, Germany

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Energy efficiency classes, core refurbishment of a...

Two solar panels on a balcony in a backyard in Wuppertal, Germany

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Two solar panels on a balcony in a backyard in Wup...

Featuring a modern interior with vibrant blue tiles, this image highlights sustainable

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Featuring a modern interior with vibrant blue tile...

A business professional stands outside a coworking space in Barcelona, using a smartphone to

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A business professional stands outside a coworking...

Hybrid chimney cowl on the ventilation duct

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Hybrid chimney cowl on the ventilation duct

Solar panels on a house wall in Hilden, Germany

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Solar panels on a house wall in Hilden, Germany

Heat pump on a new single-family house, graphics with energy efficiency classes according to the

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Heat pump on a new single-family house, graphics w...

Renovation of a detached house with insulation of the façade with polystyrene panels in Hilden,

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Renovation of a detached house with insulation of ...

A professional woman uses a tablet at a stylish office desk. She is focused, wearing smart attire,

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A professional woman uses a tablet at a stylish of...

Close-up of an electric car charging with a vivid red cable at a station. The yellow vehicle's

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Close-up of an electric car charging with a vivid ...

Thermal image or thermography, symbolic photo, interpolated. The photo shows areas of heat loss in

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Thermal image or thermography, symbolic photo, int...

A modern balcony with a sweeping view of lush landscapes, emphasizing sustainable architecture

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A modern balcony with a sweeping view of lush land...

A spacious corridor featuring large, energy-efficient windows, with a minimalist interior,

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A spacious corridor featuring large, energy-effici...

A row of self-service kiosks in a modern airport setting, alongside a fire safety hose reel. The

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A row of self-service kiosks in a modern airport s...

Winter sports area in the Sauerland, Winterberg ski lift carousel, artificial snow pistes,

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Winter sports area in the Sauerland, Winterberg sk...

This modern bathroom features a sleek bathtub, a rainfall showerhead on a marble wall, and a

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This modern bathroom features a sleek bathtub, a r...

Power line, overhead line, power line, silhouette, sunset, Federal Republic of Germany

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Power line, overhead line, power line, silhouette,...

Wind farm on the Slaperdijk dike near Eemshaven, on which dikes are, as a test project, 17000 solar

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Wind farm on the Slaperdijk dike near Eemshaven, o...

A laptop stands surrounded by vibrant data elements, symbolizing connection and network activity

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A laptop stands surrounded by vibrant data element...

Pipeline bridge at UNIPER coal-fired power plant Datteln 4, power plant block, cogeneration of

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Pipeline bridge at UNIPER coal-fired power plant D...

A businessman stands in front of a glass building, talking on his smartphone while checking the

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A businessman stands in front of a glass building,...

A professional prints documents in a modern coworking space in Barcelona, featuring stylish

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A professional prints documents in a modern cowork...

Cologne Cathedral has been shining in new light since Easter 2025, the old metal halide lamps have

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Cologne Cathedral has been shining in new light si...

The UNIPER Datteln 4 coal-fired power plant, power plant block and cooling tower, cogeneration,

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The UNIPER Datteln 4 coal-fired power plant, power...

Romulus, Michigan - Workers build apartments in Ginosko Modular 's factory using modular

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Romulus, Michigan - Workers build apartments in Gi...

Contemporary stairway featuring vibrant yellow tiles, walls and ceiling for an eye-catching design.

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Contemporary stairway featuring vibrant yellow til...

A black woman enjoys a moment outdoors, ready to cycle through the urban landscape She wears a

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A black woman enjoys a moment outdoors, ready to c...

Contemporary open balcony showcasing panoramic natural vistas, modern architectural elements, and

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Contemporary open balcony showcasing panoramic nat...

A laptop stands surrounded by vibrant data elements, symbolizing connection and network activity

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A laptop stands surrounded by vibrant data element...

Equestrian statue of Kaiser Wilhelm I on Norbert-Burger Platz, with Cologne Cathedral and the

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Equestrian statue of Kaiser Wilhelm I on Norbert-B...

LUBIN, POLAND - DECEMBER 13, 2023: Training of youth team Football Academy KGHM Zaglebie

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LUBIN, POLAND - DECEMBER 13, 2023: Training of you...

Three heat pumps as a cascade behind a privacy screen in Remscheid, Germany

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Three heat pumps as a cascade behind a privacy scr...

Cologne Cathedral and the Hohenzollern Bridge illuminated with LED lights, Cologne, North

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Cologne Cathedral and the Hohenzollern Bridge illu...

The UNIPER Datteln 4 coal-fired power plant, power plant block and cooling tower, cogeneration,

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The UNIPER Datteln 4 coal-fired power plant, power...

The Lausward combined heat and power plant in Düsseldorf, gas and steam turbine power plant,

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The Lausward combined heat and power plant in Düss...

De Groene Kaap residential complex, in the Rotterdam Feijenoord district, on the Maashaven,

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De Groene Kaap residential complex, in the Rotterd...

Thermal image or thermography, symbolic photo, interpolated. The photo shows areas of heat loss in

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Thermal image or thermography, symbolic photo, int...

Cologne Cathedral, has been shining in new light since Easter 2025, the old metal halide lamps have

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Cologne Cathedral, has been shining in new light s...

The Lausward combined heat and power plant in Düsseldorf, gas and steam turbine power plant,

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The Lausward combined heat and power plant in Düss...

Winter sports area in the Sauerland, Winterberg ski lift carousel, artificial snow slopes,

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Winter sports area in the Sauerland, Winterberg sk...

Winter sports area in the Sauerland, Winterberg ski lift carousel, artificial snow slopes,

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Winter sports area in the Sauerland, Winterberg sk...

The UNIPER Datteln 4 coal-fired power plant, power plant block and cooling tower, cogeneration,

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The UNIPER Datteln 4 coal-fired power plant, power...

New-build neighbourhood, around 140 detached and semi-detached houses being built in the south of

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New-build neighbourhood, around 140 detached and s...

District heating pipeline from UNIPER coal-fired power plant Datteln 4, cogeneration, generation of

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District heating pipeline from UNIPER coal-fired p...

John Deere 6R tractor with wide-boom conveyor system, which acts as a planting platform for

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John Deere 6R tractor with wide-boom conveyor syst...

District heating pipeline from UNIPER coal-fired power plant Datteln 4, cogeneration, generation of

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District heating pipeline from UNIPER coal-fired p...

(photo montage) Road sign with information about driving bans and a gas station road sign vacant

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(photo montage) Road sign with information about d...

Dinslaken, North Rhine-Westphalia, Germany - Emscher-Eündung sewage treatment plant. The

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Dinslaken, North Rhine-Westphalia, Germany - Emsch...

Dynamo by Hippolyte Pixii, 1808-1835, an instrument maker from Paris, France

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Dynamo by Hippolyte Pixii, 1808-1835, an instrumen...

2 heat pumps are installed on an apartment block in a front garden, Hilden, Germany

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2 heat pumps are installed on an apartment block i...

The façade of an apartment building is being energetically renovated with mineral wool insulation

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The façade of an apartment building is being energ...

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