Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
energy efficient
Grammar usage guide and real-world examplesUSAGE SUMMARY
"energy efficient" is a commonly used phrase in written English.
You can use it when you want to refer to something that has been designed or created to use as little energy as possible. For example, "The new electric car is energy efficient, saving users money on fuel."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(19)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
29 human-written examples
"We can make cars more energy efficient.
News & Media
One challenge is to remain energy efficient.
News & Media
It's becoming more energy efficient.
News & Media
And, they are extremely energy efficient.
News & Media
"Therefore, we are more energy efficient.
News & Media
"Carbon graphite may be more energy efficient".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
31 human-written examples
The super-energy efficient refrigerators.
News & Media
KITCHEN Energy-efficient appliances.
News & Media
"That's how energy-efficient we are".
News & Media
Energy-efficient lighting.
LEDs are very energy-efficient light sources.
Encyclopedias
Expert writing Tips
Best practice
When describing a product or system, quantify its "energy efficient" performance with specific metrics (e.g., energy star rating, kWh consumption) to enhance credibility.
Common error
Avoid using "energy efficient" as a vague claim. Always provide supporting data or comparisons to demonstrate the actual energy savings or improvements.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "energy efficient" functions primarily as a descriptive adjective. It modifies nouns to indicate that they are designed or function in a way that minimizes energy consumption. Ludwig examples illustrate its use in describing homes, appliances, and systems that conserve energy.
Frequent in
News & Media
50%
Wiki
30%
Science
10%
Less common in
Formal & Business
5%
Encyclopedias
3%
Academia
2%
Ludwig's WRAP-UP
In summary, "energy efficient" is a commonly used adjective phrase that describes something designed to minimize energy consumption. Ludwig AI confirms its grammatical correctness and frequent use across various contexts, especially in News & Media and Wiki sources. When using this phrase, it's best practice to quantify the efficiency with specific metrics. Avoid vague claims without supporting data. Alternatives include "fuel-efficient" and "power-saving", depending on the specific context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
fuel-efficient
Focuses specifically on the efficiency of fuel consumption, often in vehicles or machinery.
power-saving
Highlights the reduction of power usage, often in electronic devices.
low-energy
Emphasizes the minimal amount of energy required for operation.
resource-efficient
Broader term that includes energy but also considers other resources.
optimized for energy use
Describes a system designed to minimize energy consumption.
economical in energy consumption
Highlights the cost-saving aspect of using less energy.
energy-conserving
Focuses on the act of preserving energy through efficient use.
sustainable energy use
Emphasizes the long-term viability of energy consumption practices.
smart energy management
Implies the use of technology to optimize energy consumption.
zero energy
Describes a system that produces as much energy as it consumes.
FAQs
How can I use "energy efficient" in a sentence?
You can use "energy efficient" to describe products, systems, or practices that use less energy to perform the same function. For example, "This appliance is very "energy efficient", saving you money on your electricity bill".
What are some alternatives to saying "energy efficient"?
Depending on the context, you can use phrases like "fuel-efficient", "power-saving", or "low-energy" as alternatives to "energy efficient".
What makes something "energy efficient"?
Something is considered "energy efficient" if it achieves the same output or performance as a comparable item while using less energy. This could be due to improved design, better insulation, or more advanced technology.
How does being "energy efficient" benefit consumers?
Being "energy efficient" typically lowers energy bills, reduces environmental impact, and can increase the lifespan of appliances and equipment. Many governments also offer incentives for purchasing "energy efficient" products.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested