Plate heat exchangers
Plate heat exchangers with proven reliability and maximum efficiency
SonFlow plate heat exchangers are innovative solutions that combine high thermal efficiency, compact design, and long-term durability. Choosing the right heat exchanger is essential for the efficiency of your system. Request a personalized quote and discover the best fit for your project.
What makes SonFlow heat exchangers a superior choice
Manufactured in Kolding
SonFlow plate heat exchangers are made in Kolding, Denmark.
Over 45 years of expertise
Qualified experience in the production and design of heat exchangers.
Proven quality
Modern and professional manufacturing facilities with advanced capabilities.
Flexible Solutions
SonFlow features a wide range of plate types for optimal efficiency.
Fast Delivery
Provides short production and delivery terms for brazed and gasket plate heat exchangers.
Competitive prices
KONTECH is the official distributor for Bulgaria, Greece, and Romania.
Explore SonFlow heat exchangers
Intelligent heat exchange solutions you can trust
Higher efficiency
Innovative technology enables up to 30% higher efficiency in intelligent heat exchange solutions.
Serviceable design
Heat exchangers with serviceable design for easy maintenance and long-lasting performance.
Optimized costs
Heat exchange solutions designed to optimize costs and deliver a faster return on investment.
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More than a brand - the people, the passion, and the story behind SonFlow
SonFlow A/S is a leading European manufacturer of plate heat exchangers, certified to the highest international standards. Known for reliability and quality, SonFlow ensures optimal performance and energy efficiency in every product.
Aage Søndergaard founded SonFlow in 2019. A few years earlier, he sold his life’s work—Sondex—to Danfoss. With SonFlow, he continues a legacy built on decades of experience in heat exchanger design and manufacturing. Today, SonFlow builds cutting-edge plate heat exchangers, providing trusted solutions for a wide range in industries and different applications.
SonFlow operates through a wide distributor network, including KONTECH, the authorized distributor for Greece, Bulgaria, and Romania. Contact us if your business operates in these regions.
Proven performance, trusted by industries worldwide
98%
customer satisfaction
100% compliance
with industrial standards
10 000+
plate heat exchangers sold
Up to 50%
reduction in energy costs
Frequently asked questions
Where are our products used?
- HVAC - heating & cooling, hot water production, refrigeration, ect.
- Industry - heavy industry, chemical industry, marine, ect.
- Food and beverage - dairy, brewery, sanitary & food industry.
Do you have exchangers in stock?
Some types of brazed heat exchangers are available in stock and ready for delivery.
Gasketed plate heat exchangers are manufactured upon individual request, based on your specific project requirements. Contact us for more info.
What is the delivery time?
Both gasketed and brazed plate heat exchangers have a standard delivery time of up to 4 weeks. Due to public holidays or planned summer vacations, delivery times may occasionally vary. For a more precise estimate, please contact us.
Do you have any further questions? Feel free to contact us today — our team is here to assist you.
Contact us
Let us know the main technical details of your project, and we’ll get back to you with a custom offer tailored to your needs shortly.
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