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AHU Series
Air handling units
Envistar Top
Envistar Compact
Envistar Flex
Flexomix
Envistar Home Concept
Integrated cooling unit
EcoCooler
Integrated reversible heat pump
ThermoCooler HP
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Product functions
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Software
IV Produkt Designer
IV Produkt AHU Controls
Mollier Sketcher
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IV Produkt Designer
Our product selection software will help design and dimension your air handling unit.
IV Produkt Cloud
Control and monitor your AHUs remotely.
Easy Access
Facilitates your everyday life by simplifying site transportation into the plant room.
Envistar Flex now available in single-stacked configuration
Single-stacked unit with integrated controls and fully separated supply and extract air sections.
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Your air handling unit
Enter your order number to find unique documentation for your unit.
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Applies to units delivered from 2014 onwards.

General documentation
Envistar Top
Envistar Compact
Envistar Flex
Flexomix
Envistar Home Concept
EcoCooler
ThermoCooler HP
Technical data
Envistar Top
Envistar Compact
Envistar Flex
Flexomix
Envistar Home Concept
EcoCooler
ThermoCooler HP
Contol system functions
Compiled information regarding instructions, troubleshooting and communication for control system functions.
Product brochures
Explore our latest product brochures.
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Topics
Energy efficiency
Indoor climate
Property value
Easy installations
Instructions
Residential ventilation
Comfort cooling
Mollier diagram
Content type
Video
Article
No compromise when replacing traditional AHU installations
Manuel Swärd, Export Director for West Europe at manufacturer IV Produkt, explains why an air handling unit solution specifically designed and optimised for heating is perfect for the UK climate.
Successful and easy way for property owners to improve their energy efficiency class
In spring 2024, the EU Energy Performance of Buildings Directive (EPBD) was adopted. The directive will affect property owners’ opportunities and terms for obtaining financing from banks, which has further strengthened the incentive to optimise energy use.
Installation of water trap
Does your air handling unit have a water trap? These videos show how to install the water trap for condensate drainage.
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Building type
Shop
Apartment building
Airport
Historic building
Hotel
Sports arena
Manufacturing
Office
Office
Shopping center
Museum
Public building
Restaurant
Swimming pool
Hospital/Nursing home
School
Products
Envistar Top
Envistar Flex
Flexomix
Envistar Home Concept
FlexoPool
EcoCooler – Cooling unit
ThermoCooler HP – Reversible heat pump
Home Concept EcoHeater
IV Produkt Cloud
Easy Access – Simplified site transportation
Major energy savings by replacing older air handling units
The Palladium in Cologne, Germany, hosts concerts, galas, corporate events, trade fairs, and conferences for up to 4,000 guests. To improve comfort, the owner replaced the old ventilation units without heat recovery and added cooling and heat pumps for a better indoor climate.
Improve energy efficiency class by replacing older air handling units
To meet future demands, Skandia Fastigheter is investing in new ventilation at the Nova Lund shopping center – with the goal of moving from energy class D to A.
Replacement of air handling unit – 2 years later
Together with Marcus Arhov from Emilshus, we return to an office building – two years after its old air handling unit was replaced.
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IV Produkt wins Commercial HVAC Product of the Year – Ventilation
IV Produkt has won Commercial HVAC Product of the Year – Ventilation at the H&V News Awards 2025 in London. The award recognises the Envistar Flex ThermoCooler HP – a unique heat pump air handling unit developed specifically for markets where heating is a key priority.
We’re launching a new website
We are launching a new website that makes it faster, safer and easier to find what you need. With a new structure for documentation, improved performance and a modern, accessible design, you can reach the information you are looking for with fewer clicks. Here you can learn more about some of the new features.
New sales representative in the UK
We are pleased to announce that we have hired George Bradley as a Sales Representative at IV Produkt Ltd in the UK. George comes most recently from Nuaire and will be based in the Yorkshire region covering the M62 corridor (Liverpool, Manchester, Leeds, York). George will start at IV Produkt Ltd on November 17th. We welcome George to IV Produkt!
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IV Produkt Designer
IV Produkt AHU Controls
Mollier Sketcher
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Here you can create a user account to download our product selection software IV Produkt Designer. If you already have an account, you can visit My account to edit your details.

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