Where are food-grade heat exchangers used and why?

Food-grade heat exchangers are essential in food and beverage processing facilities where precise temperature control is critical for safety, quality, and efficiency. They are used in a variety of applications, including: Pasteurization – Heating milk, juices, and liquid food products to eliminate harmful bacteria while preserving quality. Sterilization – Using high temperatures to extend shelf life and ensure food safety. Cooling and heating edible oils – Regulating oil temperatures in production facilities, ensuring optimal processing conditions. Brewing and beverage production – Controlling fermentation temperatures to maintain product consistency. Confectionery and sauces – Managing heat-sensitive processes like chocolate tempering or sauce thickening. These heat exchangers are designed with stainless steel construction, sanitary connections, and smooth surfaces to prevent bacterial growth and ensure compliance with FDA, USDA, and EHEDG food safety standards. Their hygienic design allows for easy cleaning and sterilization, which is crucial in preventing contamination and ensuring product quality.

What is the risk of contamination in a food and beverage facility?

Contamination in food processing can occur in three main ways: microbial, chemical, or physical contamination, all of which poses risks to food safety, consumer health, and regulatory compliance. Microbial contamination – If a heat exchanger is not properly cleaned, bacteria such as Salmonella, E. coli, or Listeria can form in biofilms inside tubes or plates. These microorganisms multiply rapidly in warm, moist environments, leading to foodborne illness outbreaks. Regular CIP (Clean-in-Place) and SIP (Sterilize-in-Place) procedures are essential for preventing bacterial growth. Chemical contamination – If a heat exchanger previously used in non-food applications is repurposed for food production, residual chemicals, lubricants, or industrial fluids can contaminate food. This is why food-grade heat exchangers are exclusively dedicated to the sector, ensuring that no harmful substances are introduced into the food. Physical contamination – Corrosion, rust, or debris from ageing equipment can lead to metal particles or foreign objects contaminating food products. Stainless steel construction and routine inspections help prevent this risk. The consequences of contamination are severe, ranging from expensive product recalls and regulatory fines to reputational damage and potential legal action. Food-grade heat exchangers are essential for maintaining product safety, ensuring regulatory compliance, and preventing contamination in food and beverage facilities. By using dedicated equipment, following strict hygiene protocols, and ensuring rapid response in case of failures, manufacturers protect consumer health and maintain operational efficiency.

Food grade plate and frame heat exchanger

Efficient plate and frame heat exchangers, exclusively for the food and beverage sector

We provide food-grade heat exchangers with extensive maintenance and cleaning – ideal for processes like filling, drying, and concentration

Heat exchangers play a vital role as part of HVAC solutions for food and beverage producers. From pasteurization and food processing to ultra-high-temperature (UHT) processing, a fouled, contaminated, or unavailable heat exchanger can have disastrous consequences for both safety and your bottom line.

At Aggreko, we provide a dedicated range of hygienic heat exchanger solutions that are only ever used for food and beverage production. We’ll help you:

Keep products and people safe with certified cleaning from our third-party vendor
Keep production flowing, even if your usual heat exchangers go offline
Scale your heat transfer capacity in hotter seasons
Find new opportunities to optimise your efficiency and enhance your processes

Contact our food-grade heat exchanger specialists

Applications of heat exchangers in the food industry

Eliminate downtime with food-grade heat exchangers available with urgent delivery and installation. We’re always available to help you deal with the emergencies that come from fouled, failing, and ageing equipment, deploying a turnkey heat exchanger solution at a moment’s notice.
Solve process bottlenecks. Including rapidly cooling or heating liquids to enable processes like concentrating, packing, and filling. Our plate and frame heat exchangers can be safely used for ingredients and products without the risk of cross-contamination.
Meet food safety requirements by bringing products to safe temperatures faster and avoiding extensive cooling or heating time. Our food-grade plate and frame heat exchangers offer high levels of efficiency thanks to a large surface area for faster results.
Cope with seasonal temperature increases by introducing supplemental cooling or heating into your processes. Our engineers will help you get ahead of seasonal changes sooner so you can maintain peak production throughout.
Improve and optimise your processes with insights from Aggreko Process Services (APS). Our senior process engineers are ready to design a turnkey solution around your challenges and support you through Management of Change (MOC).

Contact our heat exchanger specialists

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100% food grade - Our food-grade heat exchangers have only ever been used for food and beverage production.
Process engineering - Aggreko Process Services (APS) is your team of experts to resolve bottlenecks and boost efficiency.
Designed around you - Our solutions are all designed around your challenges and goals – not limited by our heat exchangers.

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Specialised cleaning - Our third-party partner cleans and certifies equipment between every use.
Built for rental - Our heat exchangers all undergo robust pressure testing and maintenance.
The trusted partner - Working with Aggreko is working with an industry leader with 50+ years of experience in 80+ countries.

Blue Aggreko Heat Exchanger in a tube shape with exhausts on the top and bottom.

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Food and beverage

Cooling 132°C oil for a food production plant

We delivered a food-grade heat exchanger in a day and a half for a food and beverage company, helping it to refine its edible oil with no disruption.

A close-up, high-angle view showing the golden, reflective tops of several circular canned goods.

Food and beverage

Low emission power for an innovative new food cooling process

Learn how we helped a food producer speed up the cooling time of food in their warehouse, increasing profitability and reducing emissions.

A wide view of a coast containing numerous large, circular aquaculture pens floating in the sea

Agriculture

Cooling designed for sustainable aquaculture

Read how Aggreko designed a cooling solution built to keep fish cool and in prime condition, making possible a more profitable and sustainable aquaculture.

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food grade plate and frame heat exchanger rentals

Why are heat exchangers used in industry

Let’s start simple: what is a heat exchanger? Essentially, it is a device (or system) that transfers heat from one source to another. Primarily used in industry, heat exchangers are generally used for heating or cooling elements – depending on your requirements

5 tips about food grade heat exchangers for winning food and beverage production

In this blog post, we discuss food grade heat exchangers. And why they are key for F&B productions looking to stay ahead in the market.

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Frequently asked questions

Food-grade heat exchangers are essential in food and beverage processing facilities where precise temperature control is critical for safety, quality, and efficiency. They are used in a variety of applications, including:

Pasteurization – Heating milk, juices, and liquid food products to eliminate harmful bacteria while preserving quality.
Sterilization – Using high temperatures to extend shelf life and ensure food safety.
Cooling and heating edible oils – Regulating oil temperatures in production facilities, ensuring optimal processing conditions.
Brewing and beverage production – Controlling fermentation temperatures to maintain product consistency.
Confectionery and sauces – Managing heat-sensitive processes like chocolate tempering or sauce thickening.

These heat exchangers are designed with stainless steel construction, sanitary connections, and smooth surfaces to prevent bacterial growth and ensure compliance with FDA, USDA, and EHEDG food safety standards. Their hygienic design allows for easy cleaning and sterilization, which is crucial in preventing contamination and ensuring product quality.

Heat exchangers used in food and beverage production must be exclusively dedicated to this sector to prevent cross-contamination from non-food industries such as chemical processing, oil and gas, or industrial manufacturing.

One of the greatest risks is residual contamination from previous processes. If a heat exchanger previously used in another industry were repurposed in a food facility, traces of industrial chemicals, hydrocarbons, or other contaminants could be introduced into food products, posing serious health risks.

Contamination in food processing can occur in three main ways: microbial, chemical, or physical contamination, all of which poses risks to food safety, consumer health, and regulatory compliance.

Microbial contamination – If a heat exchanger is not properly cleaned, bacteria such as Salmonella, E. coli, or Listeria can form in biofilms inside tubes or plates. These microorganisms multiply rapidly in warm, moist environments, leading to foodborne illness outbreaks. Regular CIP (Clean-in-Place) and SIP (Sterilize-in-Place) procedures are essential for preventing bacterial growth.
Chemical contamination – If a heat exchanger previously used in non-food applications is repurposed for food production, residual chemicals, lubricants, or industrial fluids can contaminate food. This is why food-grade heat exchangers are exclusively dedicated to the sector, ensuring that no harmful substances are introduced into the food.
Physical contamination – Corrosion, rust, or debris from ageing equipment can lead to metal particles or foreign objects contaminating food products. Stainless steel construction and routine inspections help prevent this risk.

The consequences of contamination are severe, ranging from expensive product recalls and regulatory fines to reputational damage and potential legal action.

Food-grade heat exchangers are essential for maintaining product safety, ensuring regulatory compliance, and preventing contamination in food and beverage facilities. By using dedicated equipment, following strict hygiene protocols, and ensuring rapid response in case of failures, manufacturers protect consumer health and maintain operational efficiency.

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Industrial & commercial rental solutions — Heat exchangers and beyond

From heat exchangers to full-scale cooling and power systems, Aggreko delivers custom-engineered rental solutions that keep your operations running smoothly. Whether you're planning maintenance, managing a process load, or facing an emergency, we’re ready to help — wherever and whenever you need us.

Food grade plate and frame heat exchanger

We provide food-grade heat exchangers with extensive maintenance and cleaning – ideal for processes like filling, drying, and concentration

Explore our range of food-grade heat exchanger rentals

600 ft2 food grade heat exchanger

1600 ft2 food grade heat exchanger

Applications of heat exchangers in the food industry

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Solving temperature challenges across sectors

Manufacturing

Petrochemical and refining

Food and beverage

Contractors

Pulp and paper

Reliable, engineered energy and temperature control for healthcare facilities

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Explore our full range of industrial heat exchangers

Heat exchangers

Large node heat exchangers

Hastelloy-C cross-flow heat exchangers

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Read about our success stories

Cooling 132°C oil for a food production plant

Low emission power for an innovative new food cooling process

Cooling designed for sustainable aquaculture

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Want to know more?

Why are heat exchangers used in industry

5 tips about food grade heat exchangers for winning food and beverage production

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Frequently asked questions

Where are food-grade heat exchangers used and why?

Why must heat exchangers in food and beverage production be dedicated to that sector?

What is the risk of contamination in a food and beverage facility?

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Industrial & commercial rental solutions — Heat exchangers and beyond

Loading component...

Applications of heat exchangers in the food industry

Solving temperature challenges across sectors

Manufacturing

Petrochemical and refining

Food and beverage

Contractors

Pulp and paper

Reliable, engineered energy and temperature control for healthcare facilities

Explore our full range of industrial heat exchangers

Heat exchangers

Large node heat exchangers

Hastelloy-C cross-flow heat exchangers

Read about our success stories

Cooling 132°C oil for a food production plant

Low emission power for an innovative new food cooling process

Cooling designed for sustainable aquaculture

Want to know more?

Why are heat exchangers used in industry

5 tips about food grade heat exchangers for winning food and beverage production

Frequently asked questions

Where are food-grade heat exchangers used and why?

Why must heat exchangers in food and beverage production be dedicated to that sector?

What is the risk of contamination in a food and beverage facility?

Industrial & commercial rental solutions — Heat exchangers and beyond