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Multitask business woman with many hands. Performing several actions at the same time.

#81776202 - Multitask business woman with many hands. Performing several..

Hand holding digital tablet and looking at house efficiency rating. Detail of house efficiency rating on digital tablet screen. Concept of ecological and bio energetic house. Energy class.

#92686617 - Hand holding digital tablet and looking at house efficiency rating...

Large solar panels on rooftop of modern comfortable house or cottage Stock Photo

#128387108 - Large solar panels on rooftop of modern comfortable house or..

Urban background solar panels, Shanghai, China.

#91016175 - Urban background solar panels, Shanghai, China.

Close-up Of Person Detecting Heat Loss Outside The House Using Digital Tablet

#94426789 - Close-up Of Person Detecting Heat Loss Outside The House Using..

Green dart in target concept for accuracy, accomplishment and business success

#92880794 - Green dart in target concept for accuracy, accomplishment and..

Corporate executive assessing efficiency of energy storage battery system powered by renewable resources. Industry concept for solar power generation, clean electricity, decentralization, home storage.

#112611491 - Corporate executive assessing efficiency of energy storage battery..

Charging an electric car battery

#105087462 - Charging an electric car battery

Manager (businessman, coach, leadership) plan to increase efficiency. Stock Photo

#39062724 - Manager (businessman, coach, leadership) plan to increase efficiency.

Businessman with multitasking and multi skill. Keep calm. Business concept. Flat design Illustration

#40658615 - Businessman with multitasking and multi skill. Keep calm. Business..

Effective teamwork in workplace 12 cartoon compositions of successful team members cooperation trust goals commitment vector illustration Illustration

#108292403 - Effective teamwork in workplace 12 cartoon compositions of successful..

Young businessman is thinking about optimisation of the business process.

#38628194 - Young businessman is thinking about optimisation of the business..

Saving water and world environmental protection concept

#112436634 - Saving water and world environmental protection concept

Treatment, clinic assistance on medicine services. Patient concept and clinic diagnosis. Patient assistance with healthcare technology. Infographics, banner. Flat images, vector illustration. Illustration

#103937252 - Treatment, clinic assistance on medicine services. Patient concept..

Communication word on a workflow diagram for effective process of sharing information

#47430575 - Communication word on a workflow diagram for effective process..

Efficiency line icons for web and mobile. Editable stroke signs. Efficiency outline concept illustrations

#119390541 - Efficiency line icons for web and mobile. Editable stroke signs...

A closeup of a petrol gas gage showing the at full on a dark reflective background with copy space - 3D render Stock Photo

#108962727 - A closeup of a petrol gas gage showing the at full on a dark..

Business team hands at work with financial reports and a laptop blank copyspace on left top view

#39447134 - Business team hands at work with financial reports and a laptop..

Contemporary energy efficient isometric house cross section and room interiors on white background, real estate and Eco buildings concept Illustration

#101016220 - Contemporary energy efficient isometric house cross section and..

Contemporary energy efficient isometric Eco house cross section and room interiors info-graphic with icons, people and furnishings.

#101016216 - Contemporary energy efficient isometric Eco house cross section..

Multitasking business woman or office manager administrator dispictured as a character with several hands flat vector illustration. Effective employment concept.

#128170230 - Multitasking business woman or office manager administrator dispictured..

energy saving, real estate and family home concept - closeup of female hands holding green paper house with energy efficiency rating

#40522377 - energy saving, real estate and family home concept - closeup..

Multitask business woman with many hands. Performing several actions at the same time.

#81700905 - Multitask business woman with many hands. Performing several..

Energy efficiency rating graph on a desk with a wooden house model, calculator, folding ruler, drawing compass, pencil and a computer keyboard

#87941847 - Energy efficiency rating graph on a desk with a wooden house..

light bulb in green grass, Save earth concept

#83424454 - light bulb in green grass, Save earth concept

A green plug with green piggy bank and a light bulb with small green plants / Green energy and saving environment concept

#88968547 - A green plug with green piggy bank and a light bulb with small..

Efficient smiling secretary answering phone calls and talking with customers, she is sitting at desk and working with a laptop

#84116153 - Efficient smiling secretary answering phone calls and talking..

Kilowatt hour electric meter, power supply meter - closeup view. 3d rendering Stock Photo

#85856678 - Kilowatt hour electric meter, power supply meter - closeup view...

Work Smarter Not Harder words and target bullseye with arrow hitting the goal to be more productive and efficient in your job, project or task

#30180253 - Work Smarter Not Harder words and target bullseye with arrow..

Text Work smarter not harder typed on retro typewriter Stock Photo

#88366925 - Text Work smarter not harder typed on retro typewriter

Energy saving concepts in new building energy efficiency roof design

#82754382 - Energy saving concepts in new building energy efficiency roof..

Taking Steps to Improve Communication Words 3d Illustration Stock Photo

#111205828 - Taking Steps to Improve Communication Words 3d Illustration

Save Money with Energy Efficiency

#34005682 - Save Money with Energy Efficiency

Panorama banner with five glowing light bulbs positioned in moss over a blurred green outdoor background in an ecological and environmental concept Stock Photo

#82316689 - Panorama banner with five glowing light bulbs positioned in moss..

Efficiency business chart Illustration

#81617664 - Efficiency business chart

businesswoman is very multitasking

#35333546 - businesswoman is very multitasking

house attic under construction mansard wall insulation with rock wool

#91379068 - house attic under construction mansard wall insulation with rock..

World ocean day,, saving water campaign, sustainable ecological ecosystems concept with green earth on woman's hands on blue sea background

#116067210 - World ocean day,, saving water campaign, sustainable ecological..

Car Cable Plug In A Socket. Automobile Charging Station Concept. Innovation Technology. New Generation Electro Hybrid Vehicle Plugin. Ecology Charge Station. Futuristic Power.

#107994277 - Car Cable Plug In A Socket. Automobile Charging Station Concept...

Blue solar panels over blue sky. Renewable energy.

#108423212 - Blue solar panels over blue sky. Renewable energy.

Socket with plug and home figure on green leaves background

#90653257 - Socket with plug and home figure on green leaves background

Hand turning a knob to make a home more energy efficient . Composite image between a hand photography and a 3D background. Stock Photo

#94176156 - Hand turning a knob to make a home more energy efficient . Composite..

Smiling beautiful Asian woman telemarketing customer service agent working in call center office

#90426865 - Smiling beautiful Asian woman telemarketing customer service..

Electric power meter measuring power usage with light bulb. Watt hour electric meter measurement tool.

#97233896 - Electric power meter measuring power usage with light bulb. Watt..

Clean green energy efficient saving source solar house on residential house front for free renewable warm water for drinking water and heating unit

#126270082 - Clean green energy efficient saving source solar house on residential..

Electric power meter measuring power usage with High voltage post. Watt hour electric meter measurement tool.

#96628948 - Electric power meter measuring power usage with High voltage..

Car powered by biofuel - 3d rendering

#104218999 - Car powered by biofuel - 3d rendering

#94587077 - Light bulb icon in outlined flat color style. Vector illustration.

Unrecognizable doctor of medicine is accessing online healthcare data via a touch screen interface. Cyber security and IT concept for health information exchange or HIE within the medical sector. Stock Photo

#90324835 - Unrecognizable doctor of medicine is accessing online healthcare..

The concept of saving money. Calculator, bulb and electricity bill

#106699180 - The concept of saving money. Calculator, bulb and electricity..

Unrecognizable service provider activates cloud containers to respond to point-in-time demand. IT concept for microservices, containerization, service architecture, scalability, orchestration system.

#93275748 - Unrecognizable service provider activates cloud containers to..

Quality light. Construction workers installing new window in house together

#118549739 - Quality light. Construction workers installing new window in..

Technician spraying blown Fiberglass Insulation between Attic Trusses foam insulation repair tool in the white protect suit applies a construction foam from the gun to the roof. Stock Photo

#108692011 - Technician spraying blown Fiberglass Insulation between Attic..

technologist in the cap, mask and white coat stands in the production shop and makes notes with a pen in the sheet. The inspector removes the indicators at the dairy plant. Engineer keeps statistics on production

#117074968 - technologist in the cap, mask and white coat stands in the production..

Businesswoman Calculating Financial Data With House Model On Desk

#94067275 - Businesswoman Calculating Financial Data With House Model On..

World globe made of glass, earth with grass and sun, nature protection, environmental protection, climate protection Stock Photo

#111298624 - World globe made of glass, earth with grass and sun, nature protection,..

The hand holds a household LED corn lamp before installation in a chrome ceiling chandelier. Stock Photo

#99452389 - The hand holds a household LED corn lamp before installation..

house eco Stock Photo

#47513802 - house eco

Efficiency Business Concept

#47408181 - Efficiency Business Concept

Energy efficiency with young man using a tablet computer

#124669006 - Energy efficiency with young man using a tablet computer

dart arrow target goal reach 3D Stock Photo

#100380301 - dart arrow target goal reach 3D

Manager (businessman, coach, leadership) plan to increase company productivity. Stock Photo

#39062733 - Manager (businessman, coach, leadership) plan to increase company..

Construction Worker Installing New Windows In House Stock Photo

#45009140 - Construction Worker Installing New Windows In House

Construction Worker Installing New Windows In House Stock Photo

#46019712 - Construction Worker Installing New Windows In House

Construction Worker Installing New Windows In House Stock Photo

#44634062 - Construction Worker Installing New Windows In House

Light bulbs background. Idea concept

#40787341 - Light bulbs background. Idea concept

Smart control panel household gas boiler closeup 3d Stock Photo

#45808026 - Smart control panel household gas boiler closeup 3d

Kilowatt hour electric meter, power supply meter. 3d rendering Stock Photo

#68618071 - Kilowatt hour electric meter, power supply meter. 3d rendering

Engineer adjusting thermostat for efficient automated heating system

#38305075 - Engineer adjusting thermostat for efficient automated heating..

Modern house cross section with rooms: bedroom, office, bathroom, kitchen, living room, laundry, garage, boiler room

#65837898 - Modern house cross section with rooms: bedroom, office, bathroom,..

Personnel Word on Folder Register of Card Index. Selective Focus.

#38340529 - Personnel Word on Folder Register of Card Index. Selective Focus.

Hand turning a home thermostat knob to set temperature on energy saving mode. fahrenheit units. Composite image between a photography and a 3D background.

#68602294 - Hand turning a home thermostat knob to set temperature on energy..

Stack of money on the stack of solar panels.

#46729025 - Stack of money on the stack of solar panels.

car alternator with drive belt.

#46039934 - car alternator with drive belt.

Household gas boiler isolated on background 3d

#45808027 - Household gas boiler isolated on background 3d

A technically mechanical heart at hardwork

#34938567 - A technically mechanical heart at hardwork

Smart home automation infographic, icons and text . Vector illustration.

#58898095 - Smart home automation infographic, icons and text . Vector illustration.

Businessman thinks on the world business sketch

#45410942 - Businessman thinks on the world business sketch

operations management. Chart with keywords and icons

#36245392 - operations management. Chart with keywords and icons

Hand turning a home thermostat knob to set temperature on energy saving mode. Celsius units. Entre composite image photography and has a 3D background.

#69321322 - Hand turning a home thermostat knob to set temperature on energy..

#40001016 - Torso of a corporate manager in business suit reaching out to..

Productivity Mission Strategy Business World Vision Concept

#38514238 - Productivity Mission Strategy Business World Vision Concept

Electric Light Bulb Lamp with Euro currency symbol. Concept of bright idea. Linear vector illustration with editable line Illustration

#99278233 - Electric Light Bulb Lamp with Euro currency symbol. Concept of..

efficiency level conceptual 3d illustration meter indicate hundred percent isolated on grey background

#56296999 - efficiency level conceptual 3d illustration meter indicate hundred..

Group of diverse people holding icons. Stock Photo

#108332739 - Group of diverse people holding icons.

Close-up of an office worker. Woman secretary answering phone calls and talking with customers, she is sitting at her desk working.

#100634167 - Close-up of an office worker. Woman secretary answering phone..

Manager (businesswoman, coach, leadership) plan to increase efficiency.

#40949299 - Manager (businesswoman, coach, leadership) plan to increase efficiency.

Energy efficient Home concept with copy space

#32383041 - Energy efficient Home concept with copy space

Business people brainstorming at office desk they are analyzing financial reports and pointing out financial data on a sheet top view

#39447132 - Business people brainstorming at office desk they are analyzing..

Environment ecology nature home integration concept. Green houses walking on a summer meadow under the blue sky

#37534703 - Environment ecology nature home integration concept. Green houses..

Close-up Of Businessman Calculating Invoice With Different Size Houses And Stacks Of Coins On Table

#93506657 - Close-up Of Businessman Calculating Invoice With Different Size..

A large number of car tires. Car tire store.

#90256191 - A large number of car tires. Car tire store.

double Breast pump with blank baby bottle on wood background

#91834613 - double Breast pump with blank baby bottle on wood background

Female hand holding light bulb on the green background

#95880298 - Female hand holding light bulb on the green background

A Person's Hand Inserting Coin In Piggy Bank On Radiator

#93315644 - A Persons Hand Inserting Coin In Piggy Bank On Radiator

Installing an energy-saving modern spiral light bulb in a chandelier suspended from the ceiling, energy saving, hand, close-up, equipment

#115978558 - Installing an energy-saving modern spiral light bulb in a chandelier..

Small woodpile of dried logs in winter snow with scattered autumn leaves against a rustic white painted wooden wall

#109907812 - Small woodpile of dried logs in winter snow with scattered autumn..

New home construction with installation of termal insulation installing at the attic the roof Stock Photo

#111274328 - New home construction with installation of termal insulation..

power line tower on a hillside. giant metal construction in beautiful landscape. power and energy concept

#105319918 - power line tower on a hillside. giant metal construction in beautiful..

Fluorescent lamp and old bulbs. 3D rendered illustration.

#114768409 - Fluorescent lamp and old bulbs. 3D rendered illustration.

Time to Work Smarter words on a clock face to illustrate the need or advice to increase productivity and efficiency in your working habits Stock Photo

#33111178 - Time to Work Smarter words on a clock face to illustrate the..

Car Charge Concept. Girl Talks The Phone. Automobile Station. Innovation Technology. New Generation Electro Hybrid Vehicle Plugin. Ecology Station. Futuristic Power. Cup Of Coffee.

#113801596 - Car Charge Concept. Girl Talks The Phone. Automobile Station...

Car powered by biofuel - 3d rendering

#105778225 - Car powered by biofuel - 3d rendering

dart arrow target goal reach 3D Stock Photo

#99380494 - dart arrow target goal reach 3D

Group Of Businesspeople Sitting In Office During Business Meeting

#106917441 - Group Of Businesspeople Sitting In Office During Business Meeting

Modern orange electric car for summer trips isolated 3d render on white background with shadow Stock Photo

#103610823 - Modern orange electric car for summer trips isolated 3d render..

Unrecognizable trader monitoring transactions with assistance of artificial intelligence. Concept for fraud prevention in financial services, trading assisted by artificial neural network systems. Stock Photo

#94291736 - Unrecognizable trader monitoring transactions with assistance..

Green door. Modern house composite upvc front door with chrome hardware. Timber look classic design.

#90469847 - Green door. Modern house composite upvc front door with chrome..

New type of rrechargable battery with improved properties research concept

#90239126 - New type of rrechargable battery with improved properties research..

New improved battery research concept Stock Photo

#90239103 - New improved battery research concept

Related Searches:efficient lightbulb efficient economical effective efficient effective efficient fluorescent efficient efficiency time efficient incandescent

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123RF

Features

Blog

Tutorials

Services

Corporate+

123RF Partners Program

API Value-Added Reseller

Become an Affiliate

Policies

Legal

Licensing

Privacy Policy

Terms of Use

Cookie Policy - 123RF

International

Русский язык

Português (PT)

Support

Need help? Contact your dedicated Account Manager

@ 1 866 655 3733

Contact

Support

Connect with Us

Follow us on Twitter

Join us on Facebook

Follow us on Pinterest

Follow us on Instagram