Driving energy efficiency

Our ambition is to be the global leader in energy-efficient insulation solutions.

179 results for "what is energy conservation"
Welcome to the zero-energy house

Built with the right techniques, a home can produce as much energy as it uses.

Energy Efficiency

Energy efficiency can reduce the environmental footprint of a growing population

The house that hardly needs heating

Very high levels of insulation are a key element of passive construction, which keeps heat losses so low that a house can be kept warm either without heating or just by preheating the fresh air entering rooms.

A better quality of life for millions

Insulation’s extra benefits make it a force for good in society

Hidden potential in industry energy savings

With payback in two years or less, investing in insulation could save industry millions.


Our purpose is simple and compelling: to release the natural power of stone to enrich modern living. ROCKWOOL products save energy and water and reduce CO2 emissions, protect buildings from the spread of fire; reduce waste; improve acoustic comfort, building performance and aesthetics; and enhance Precision Growing, thereby improving the efficiency of fresh food production.

The House at Cornell Tech

The world's largest, tallest Passive House building is helping New York City meet aggressive CO2 targets

Amager Bakke/Copenhill

New waste plant brings cleaner energy and a spectacular leisure facility to Copenhagen

The Wilmcote House

Energy renovation aims to make comfortable living affordable for social housing residents

How to build a sustainable future

When environmental goals are more important than ever, improving energy efficiency in buildings presents an immediate opportunity to make our towns and cities healthier, safer and more sustainable.