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Envistar Top

Air handling units that save floor space

Top-connected air handling unit with integrated controls – optimised to save floor space.

View air flow ranges

Find an AHU based on your needs

Why choose Envistar Top?

A top-connected duct connection is best suited in approximately 70 per cent of systems with air flow ranges up to 2.8 m3/s.

Envistar Top saves up to 75 per cent of floor space compared to a traditional installation. This makes Envistar Top the most economic and energy-efficient solution for the available floor space. Envistar Top is designed to be able to pass through narrow passages.

Envistar Top – More energy efficient than ever!

Air flow with rotary heat exchanger

0.10–2.80 m3/s

Air flow with counter-flow heat exchanger

0.13–2.80 m3/s

8 sizes

High flexibility and large air flow range

IV Produkt Cloud

Can be controlled and monitored via cloud service

Explore IV Produkt Cloud

Cost-effective

Low installation and operating costs

Patented defrosting

ODS Optimised Defrosting System ensures the highest possible annual efficiency

Integrated cooling unit

Option: EcoCooler with stepless control of cooling power via frequency converter

Comfort cooling and heat pump in one

Option: The reversible heat pump ThermoCooler HP with stepless control of cooling and heating power

mollier diagram

Air flow ranges for Envistar Top

Ecodesign

Technical max

RotorRotor w/ cooling unitReversible heat pumpCounter-flow exchangerCounter-flow exchanger w/ cooling unit
28
22
17
12
10
09
06
04
m³/s
0.0
0.5
1.0
1.5
2.0
2.5
3.0

Technical data for Envistar Top

View technical data for different configurations of Envistar Top. You can also compare them to each other.

Product seriesHeat recovery unitCooling / heatingCompare

Envistar Top

Rotary heat exchanger-
Technical data

Envistar Top

Rotary heat exchangerIntegrated cooling unit
Technical data

Envistar Top

Rotary heat exchangerIntegrated reversible heat pump
Technical data

Envistar Top

Counter-flow heat exchanger-
Technical data

Envistar Top

Counter-flow heat exchangerIntegrated cooling unit
Technical data

Documentation forEnvistar Top

Here you will find general documentation for this product series. Download the latest versions of product brochures, instruction manuals, certificates, and other documents.

Your air handling unit

If you are looking for information about your AHU, search using the order number.

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Control equipment with proprietary software

The entire range has integrated control equipment with software developed by us. We use Siemens Climatix hardware. The control equipment offers over 100 standard features to choose from so that you can optimise according to your needs. Air flow rates and temperatures can be optimised easily. The units can be connected to the web, IV Produkt Cloud or a parent system (BMS) via multiple communication protocols.

Project-specific electrical and control diagrams are included in the delivery. The unit has been function-tested and is ready for commissioning.

Functions and AHU components

Our air handling units offer a wide range of fans, motors, heat recovery units, cooling units and other components that provide excellent conditions for energy-optimised air handling.

Advantages of Envistar Top

A brand new generation of Envistar Top

Our top-connected air handling units have been a major success since their launch in 2004. We are now launching a brand new generation of the Envistar Top series, which thanks to a number of smart improvements is more flexible and energy efficient than ever before.

In this video, we show what has made Envistar Top such a success and how the series has evolved during its 15 years on the market. We also explore the new generation and how it can simplify installations.

Envistar Top with EcoCooler
easily transported through a door

In this video, we show you how quickly and easily our top-connected units go into the plant room. This unit comes with the integrated EcoCooler cooling unit.

  • Air flow: 2.0 m3/s
  • Unit size (assembled): W 1,616 × H 1,915 × L 2,670 mm
  • Split into: 3 sections
  • Door size: 2,100 × 900 mm

Reference projects for Envistar Top

EMBARQ Redcliff Quay – energy-efficient ventilation for a landmark office in Bristol

An iconic office building was transformed with a clear goal: create a modern, sustainable workspace with outstanding comfort and minimal environmental impact – while meeting EPC A, BREEAM Excellent and NABERS 4-star targets. We made this possible by delivering air handling units with integrated, high-efficiency reversible heat pumps.
Reference

More alert students with improved classroom ventilation

New air handling units create a better indoor climate for students and teachers.
Reference

Compact air handling units in one of the world’s tallest wooden buildings

Mjöstårnet is one of the world's tallest wooden buildings and has a total of 14 air handling units from IV Produkt installed.
Reference

Ventilation adapted to needs of all tenants

Rental flats, short-term and elderly housing with a pleasant indoor temperature in focus.
Reference

Careful renovation of historic building

The Old Customs House, located on the dock by the Motala stream, is a historic building dating back to the 18th century. It is one of the oldest buildings in the Swedish city of Norrköping and classified as a listed building. The property has undergone a total renovation, and in re-purposing it for restaurant operations, a new and more efficient ventilation system has been installed.
Reference

New vibes for the Grade II listed building

Next to London's landmark Tower Bridge, in the heart of the vibrant capital, the newly built boutique hotel accommodates 193 rooms. The Dixon hotel, is named after the architect John Dixon Butler who originally designed the iconic building.
Reference

Ongoing projects?

Together, let's find the optimal solution for you!

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