Smart ventilation turnsbuildings green (and more!)

*1995

55

+4604608

+47+45+37

Lin

din

Ve

ntA

B

AAA

kWh/kvm, år

Telia Sonera, Stockholm

42000 sqm

Breeam Excellent

kWh/kvm, år

Swedbank HQ, Stockholm44000 sqm

Winner Green Building 2014

Forensic medicine Center, Trelleborg

kWh/kvm, år

”Plus-building” +2 kWh/m2, year

Save energy?

Demandcontrolled

usage!

Energy usage in offices Sweden

Heating

Electricity

kWh/kvm, år

Very low energy offices in Sweden

The energy saving potentialusing existing solutions…

Equipment

Lighting

Electricity (other)

Fans

Cooling

Warm water

Heating

Reference Low energy

kWh

/sq

m, y

ear

The ”Trick” ? In priority order…

• No ”Aquariums” – less window area• Demand controlled usage:

• Ventilation• Lighting

• Low power equipment• Better climate shell – airtightness & insulation

-48 %

Old VAV

IDCC – Det gröna donet!

New DCV

15 degree supply air temperature?

www.lindinvent.com

What can we achieve?(Compared to a building without demand control)

>95% Supply air heating

50% Electricity for fans

25% Cooling

15% Radiator heating

40% Standby-power

50% Lighting (active turn on – automatic turn off)

And even more withbetter sunshielding:WINDOW+

IDCC – Det gröna donet!

Week 36 in typical office

Occupancy (week)

Nov-Nov in cell office

Occupancy (year)

Optimal control

Unique Green optimal algorithms

Smart diffuser and peripherals

CAN-bus

230/24VAC

230 VAC

Smart diffuser TTC

XPIR

Extra

PIR sensor

GQVCO2-sensor

DRPDigital roompanel

WRS4Standby-killer

A4004

Valve actuator

CBX Connection boxCBRE Relaybox Enocean

ESW Enoceanswitch

DCV-SL Exhaust air

Switch

System overview

Switch

CAN-bus

NCE

LINDINSPECT

230/24VAC

AHU Controller

ServerModbus master

Intuitive user interface – a must..

Total control – lighting, sunshield and sun

TOTAL control – booking systems integration

Calculations and reports

Building for sustainability

Materials

TransparencyAll products classified in environmental building databases: Sunda hus, Byggvarubedömningen

Showing the way.. Removing flame retardants and ABS plastic

Reference projects

Swedbank, StockholmNew office 43000 sqm: < 50 kWh/sqm, yr

Emiliaschool, HäljarpPassive house school: 30 kWh/sqm, yr

T-building, BoråsFirst green hospital (SE): 100 kWh/ sqm, yr

House of Science, UmeåRefurb. Office (1960s): 52 kWh/sqm, yr

www.lindinvent.com

Demand controlled ventilation. And more..

For the sake of the climate.