www.ostberg.com

AIR HANDLING UNITS

HERU LP / HERU T

OSTBERG ENERGY RECOVERY UNIT

Longer life-time

Necessary maintenance is simply replacing filter

Improve overall indoor air quality in every corner

Stop harmful particle going inside

Energy saving

Reliable service

Air Environment Expert from Sweden

ABOUT US

4

We are a Swedish company dedicated in Innovation and Quality

Hometown of Dala Horse

We come from beautiful County of Dalarna - Hometown of Dala Horse.

We are good at creating leading ventilation system, energy recovery system as well has HERU.

Our Energy Recovery Ventilation System - HERU®.

Brings you a truly effective long term solution.

Prevent Smog, creating a balanced temperature/humidity healthy indoor climate.

Footprints of our product and service are all over Europe, America, Asia and Pacific ……

No matter it's in a house, villa, apartment, school, hospital, or in a commercial center,

landmark building, luxury cruise-liner.

Different people enjoy same healthy indoor air.

And Today

We use innovation and quality to offer every user superior Swedish quality indoor air.

5

HISTORY

OSTBERG SWEDEN

OSTBERG CHINA

OSTBERG INDIA

2019

+ Changing Landscapes

Consolidating business, increased focus

on our core strengths, main markets &

business segments.

2019

2014

2011

2004

2000

1970’s

2014

+ Sales & Production In India

Established Production & Sales in Chennai,

India to serve the Indian and Middle East

Market.

2011

+ Extension of Production in China

with large scale Rotary Energy Exchange

production line and one of the largest

production lines in the business, for

coating of desiccant on aluminum foil.

2004

+ Sales & Production In China

Established Production & Sales in Kunshan,

China to serve the Asian and North

American Market.

2000

+ HERU Air Handling Units

Introducing HERU (Heat Energy Recovery

Unit), awarded with 1st price by the

SWEDISH ENERGY AUTHORIY’S for

residential Air Handling Units.

It all started in the 1971 where Hans

Ostberg was one of the inventors of the

now so popular Inline Duct Fan CK with

straight-through airflow with external

rotor motor.

6

HERU® LP

Low Profile

Intelligent control system for a healthy and

energy efficient indoor climate.

Might variate from country to country.

Unique design

Ideal for mounting in small spaces

such in the ceiling

PM2.5

99.5%

Supply

Oxygen

Intelligent

control system

EC

Motor

Easy to install

7

ENERGY RECOVERY UNITS WITH LOW PROFILE

Supply Air

Supply Air

Air supply and exhaust duct

Extract Air

Extract Air

Supply Air

Extract Air

HERU LP

Summer

Fresh Air

Fresh Air

Exhaust Air

Fresh Air

Exhaust Air

Rotor Technology

Recover cooling from return air to supply air

Reduce moisture from outdoor to indoor

Reduce power consumption

Recover heat from return air to supply air

Humidify incoming air

Reduce power consumption

Energy recovery

efficiency

Energy recovery

efficiency

86%

86%

Rotary Energy Exchanger

Winter

up to

up to

HERU® HERU® 70 LP EC 100 LP EC

HERU® 70 LP EC / HERU® 100 LP EC

8

PRESSURE/ AIRFLOW

DIMENSIONS (mm)

TECHNICAL DATA Static pressure Pa

Flow m3

/h

117

117

108

210

∅150(4x)

Supply Air

Extract Air

Fresh Air

Exhaust Air

Static pressure Pa

Flow m3

/h

The above parameters are laboratory test data, and the final data depend on actual conditions.

Reference suitable area refers to application with room height of 3m, Air change time from 0.5 to 1 per hour.

For precise model selection and system design should comply with local regulations.

Sound tested at 3m away from unit with Silenced type duct connected.

Model

HERU 70 LP EC 250 80 111 220-240/50/1 43 48 936*576*236 ≤ 160

HERU 100 LP EC 350 100 193 220-240/50/1 48 48 936*576*236 ≤ 230

Rated

Airflow

(m3

/h)

Static

Pressure

(Pa)

Power

(W)

Voltage/

Frequency/

Phase

(VAC/Hz/Ph)

Sound

dB(A)

Net

Weight

(Kg)

Dimension

L*W*H(mm)

Reference

Suitable

Area

m2

0

50

100

150

200

250

300

350

400

450

500

0 30 60 90 120 150 180 210 240 270 300

10V

8V

6V

0

50

100

150

200

250

300

350

400

450

500

550

600

0 30 60 90 120 150 180 210 240 270 300 330 360 390 420

10V

8V

6V

9

HERU® T

Top Connection

PM2.5

99.5%

Clean Indoor Air

Rotor Technology

3A Molecular

Energy Saving

Balanced

Humidity

Adequate

Oxygen

Balanced

Temperature

O2

Unique design

Suitable for villas and high-end places

10

Clean indoor air, a choice for life

Customize your house with

1 unit for 1 house

easy maintenance

Boost mode maximize

fresh air

No condensation

Reliable in extremely

cold environment

Wide range of products fit

for various building types

Best static pressure

performance support

longer duct system complex

Optimize full-house

performance, ventilate

all rooms and corners

®

Rotor Technology

Reliable Performance

True 3A Molecular Sieve

Clean Air with E12 Filter

bedroom

livingroom

bathroom

diningroom

11

Rotary energy exchanger with heat recovery efficiency up to 86%, free of maintenance.

Standard with E12 high efficiency particle filter, 99.5% filtration for PM0.3 particles.

HERU® 160 T

Air flow up to 650 m3

/h

HERU® T

Air handing unit with duct connection at the top.

HERU® T 500 T

Air flow up to 2700 m3

/h

ENERGY RECOVERY UNITS WITH TOP CONNECTIONS

Technical Data

It has optimized efficient motorized impellers and are with EC-technology.

Low sound level, high operating reliability and provides clean indoor air.

HERU® T 250 T

Air flow up to 1050 m3

/h

The above parameters are laboratory test data, and the final data depend on actual conditions.

Reference suitable area refers to application with room height of 3m, Air change time from 0.5 to 1 per hour.

For precise model selection and system design should comply with local regulations.

Sound tested at 3m away from unit with Silenced type duct connected.

Intelligent control system for a healthy and energy efficient indoor climate.

Might variate from country to country.

Model

Rated

Airflow

(m3

/h)

Static

Pressure

(Pa)

Power

(W)

HERU 160 T EC 580 100 348 220-240/50/1 45 93 905*552*957 ≤ 380

HERU 250 T EC 900 200 456 220-240/50/1 43 135 1152*682*1136 ≤ 600

HERU 500 T EC 2000 300 1780 380-415/50/3 52 295 1466*936*1251 ≤ 1300

HERU 100 T EC 350 80 227 220-240/50/1 39 65 771*455*673 ≤ 160

Voltage/

Frequency/

Phase

(VAC/Hz/Ph)

Sound

dB(A)

Net

Weight

(Kg)

Dimension

L*W*H(mm)

Reference

Suitable

Area

m2

HERU® 100 T

Air flow up to 350 m3

/h

12

DIMENSIONS (mm)

HERU® 250 T EC

HERU® 100 T EC

947

100

5~10

HERU® 160 T EC

HERU® 160T EC

HERU® 500 T EC

Supply Air Extract Air

Exhaust Air Fresh Air

Supply Air Extract Air

Exhaust Air Fresh Air

Supply Air Extract Air

Exhaust Air Fresh Air

Supply Air Extract Air

Exhaust Air Fresh Air

13

PRESSURE/AIRFLOW

HERU® 160T EC

0

100

200

300

400

500

600

700

800

900

0 50 100 150 200 250 300 350 400 450 500 550 600 650 700

10V

8V

6V Static pressure Pa

Flow m3

/h

HERU® 250T EC

0

100

200

300

400

500

600

700

800

900

0 100 200 300 400 500 600 700 800 900 1000 1100

10V

8V

6V Static pressure Pa

Flow m3

/h

HERU® 500T EC

Static pressure Pa

Flow m3

/h

0

100

200

300

400

500

600

700

800

900

0 400 800 1200 1600 2000 2400 2800

10V

7V

6V

HERU® 100T EC

0

100

200

300

400

500

600

700

800

0 100 200 300 400

Static pressure Pa

10V

8V

6V

50 150 250 350

Flow m3

/h

OKV HERU Product Catalogue_EN_2026_edi01

Meet our HERU ®

®

family. Our range of Air Handling units with

energy recovery includes products for all kinds of homes,

schools, offices and indoor pool areas. A healthy indoor

environment with maximum comfort and minimum energy

consumption is achieved by controlled ventilation with energy

recovery.

HERU® supplies the building with fresh (warm or cool),

filtered and clean air. HERU recovers 86% of the used indoor

heat (alternatively cooled air) from the exhaust airstream.

Through its award-winning design units meets the require

ments of high efficiency, low power consumption, quiet ope

ration and high reliability.

Website

www. ostberg.com