Next Generation Solstice® HFO Refrigerants

The environment is top of mind. Choosing the right technologies now can have a positive impact for decades to come. Discover how Honeywell’s commitment to sustainability and resolve to use the latest science and technology is helping the world decarbonise with Solstice® HFO Refrigerants. Explore the interactive graphic below to learn how Solstice can be used in a wide range of heating and cooling applications.

Here’s why you should choose Solstice® HFO Refrigerants 

Honeywell believes in solutions that balance environmental protection with economics. Our low-global-warming-potential (GWP) Solstice® hydrofluoroolefin (HFO) refrigerants leverage USD$1 billion of R&D investment and a 117-year track record of innovation to help the heating and cooling industry transition to a low carbon future in a cost-effective manner, without compromising system performance. To date, Solstice refrigerants have helped avoid the potential release of the equivalent of more than 326 million metric tons of carbon dioxide into the atmosphere, equal to the annual carbon emissions of nearly 70 million gasoline-powered passenger vehicles. 

Solstice Refrigerant Icon - Honeywell Advanced Materials


Offers opportunities to remodel existing systems at low capital costs.

Optimize energy efficiency with Solstice refrigerants - Honeywell Advanced Materials

Energy efficient 

 Increases energy efficiency while lowering operating costs and carbon emissions.

Honeywell Solstice Refrigerant - Safe and Environmentally Friendly Option for Cooling Systems


Non-toxic, non-flammable or mildly flammable properties increase safety

Solstice Refrigerant Icon - Advanced Materials Honeywell

Less downtime 

Provides reliable heat transfer, resulting in less downtime

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Explore applications

Solstice refrigerant in use at a European food retail store

Food Retail

Solstice refrigerants for efficient and sustainable district heating in Europe

District Heating

Energy-efficient commercial buildings in Europe using Solstice refrigerant

Commercial Buildings

Solstice Refrigerant for Europe Residential Buildings - Honeywell Advanced Materials

Residential Buildings

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