What are low viscosity heat transfer fluids (LV HTFs) and how can they support sustainable brewing practices? Jerry Lewis, chief technology officer at Kilfrost, is on hand to explain more.
Sustainability is no longer just a buzzword in the brewing industry – it’s a priority. From cutting carbon emissions to improving energy efficiency, breweries are finding new ways to make their operations greener while still producing top-quality beer.
One area that often gets overlooked is thermal energy management, but it’s central to almost every stage of the brewing process.
From chilling wort and fermenting beer to packaging and storage, controlling temperatures is crucial to ensuring consistency in taste profile and overall quality.
But these processes can be energy-intensive, and outdated thermal systems can hold breweries back from reaching their sustainability goals. Advanced thermal solutions, including cutting-edge heat transfer fluids (HTFs) in secondary coolant systems, are stepping up to make a difference.
Why thermal solutions matter
Brewing beer relies on precise temperature control. However, traditional heating and cooling systems often use older heat transfer fluids that are less efficient and can have a detrimental environmental impact. That’s where new-generation fluids come in. They’re designed to improve performance, cut energy use, and reduce environmental harm.
For breweries that want to operate more sustainably without compromising on quality, rethinking thermal energy systems is an important step.
The benefits of low viscosity heat transfer fluids (LV HTFs)
Switching to modern, eco-friendly LV HTFs brings several advantages:
- Improved energy efficiency
Low viscosity fluids are easier to pump, especially at low temperatures, so your cooling systems don’t have to work as hard. This means lower energy consumption and reduced running costs.
- Better for the environment
Many LV HTFs are biodegradable and derived from organic materials, so they’re less harmful if there’s a spill. Choosing a greener option helps breweries meet sustainability goals while reducing risk.
- Equipment protection
Many new LV HTFs are designed with more effective and less aggressive corrosion inhibitors to protect pipes, pumps, tanks, and chillers from damage with a reduced risk profile. This keeps equipment in better condition for longer, reducing waste and saving money on replacements.
- Longer lifespan
Through testing and regular fluid care advanced HTFs can last longer before needing replacement. This reduces chemical waste and saves on operating costs.
Tackling energy waste
Brewing can be energy-intensive, particularly when it comes to heating and cooling. LV HTFs can make a big difference here. Their improved thermal properties allow for faster and more efficient heat transfer, meaning less energy is needed to achieve the right temperatures.
Lower energy use doesn’t just cut costs, it also lowers carbon emissions, which is a win for both breweries and the planet.
Practical examples in brewing
Green thermal solutions are already making an impact in breweries around the world. For example:
Wort chilling: LV HTFs reduce the time needed to cool wort to fermentation temperature, increasing efficiency and throughput.
Fermentation: Temperature control during fermentation is key to a consistent flavour profile. High-performance HTFs make this process more energy-efficient and reliable.
Storage and packaging: Maintaining stable temperatures in storage tanks and during packaging is easier with advanced fluids, helping reduce energy waste and mitigate the risk of stock losses.
Breweries adopting these solutions are seeing improvements not just in sustainability but also in their bottom line.
Why sustainability sells
Making your brewery greener isn’t just good for the environment, it’s good for business. Today’s consumers care about sustainability, and they’re more likely to support brands that share their values. Breweries that embrace greener practices, such as using advanced thermal solutions, can build stronger relationships with eco-conscious drinkers.
There’s also a knock-on effect throughout the supply chain. Distributors and retailers are increasingly prioritising products with strong sustainability credentials, so adopting greener practices can open up new opportunities.
Breaking down barriers
Despite the benefits, some breweries might hesitate to invest in advanced thermal solutions because of the perceived cost or disruption. But these challenges are often smaller than they seem.
Upgrading to modern LV HTFs might require an initial investment, but the long-term savings in energy and maintenance often outweigh the upfront costs. Plus, many suppliers offer support to help breweries make the switch smoothly.
The bigger picture
Sustainability in brewing isn’t just about hitting targets or staying ahead of regulations, it’s about shaping the future of the industry. Advanced thermal solutions are helping breweries do their part for the planet while continuing to craft great beer.
For breweries just starting their green journey, upgrading thermal systems is a practical and impactful first step. Whether it’s switching to greener HTFs, improving energy efficiency, or protecting equipment, these solutions bring real benefits to both operations and the environment.
Brewing green isn’t just the way forward, it’s already here. By making the move to advanced thermal solutions, breweries can show they’re serious about sustainability while staying competitive in an ever-changing market.
