Low energy ventilation 27th february 2014

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Information about Low energy ventilation 27th february 2014
Technology

Published on February 28, 2014

Author: BuildingSustainability

Source: slideshare.net

Description

Many air handling units supply a volume of fresh air into a building at a constant rate and consume a considerable portion of the building energy. This rate was determined during the design stage originally to provide enough fresh air per person and to deal with a number of other environmental factors. Perhaps it is time to reassess this set-up and take advantage of energy saving opportunities.

In the last session of our six-part series, we will be sharing our experiences and the approach our clients are using to save energy associated with their ventilation systems.

We have also teamed up with Chris Mulholland from Critical Airflow, who will be presenting data and case studies from a number of projects on "demand-based" ventilation control systems.

There will also be a demonstration on how the Workplace Footprint Tracker can be used to build the case for upgrading ventilation systems and to track savings.

For more information: http://www.buildingsustainability.net

Webinar Series Low energy ventilation Speakers Charles Coe Mikael Soderman Chris Mulholland

Who are Building Sustainability? Target Actual Consumption

Who are Building Sustainability? Target Actual Consumption

Who are Building Sustainability? Target Actual Consumption

Today's Topic The functions of a ventilation system  to supply sufficient fresh air  to provide adequate indoor air quality by removing and or diluting pollutants from occupied spaces  to provide a heat transport mechanism.

HVAC Unit

The Opportunity?

The Opportunity?

The Opportunity?

Heating and Cooling?  There are situations where heating and cooling are running at the same time   Common to open up the dead band – but what does this save A BMS is used to apply the controls however Metering is perfect to measuring the actual outcome Source Cabon Trust Heating and Cooling and Air Conditioning

What about the Filters?

What about the Filters?

What about Humidifiers?  If you have to use them make sure they run on Gas

Conclusion? Fit metering to manage savings Elect ric Mete r Credit Melody Baglione, Cooper Union engfac.cooper.edu/melody/417 Heat or Elect ric Mete r Heat Met er Elect ric Mete r Heat Met er

Tracking Ventilation Projects Baseload analysis  Weather Normalisation  Project Management  ROI 

Baseload

Project Management

Project Management

Project Management

ROI

ROI Tools During the project During project planning Validating project outcome

Blog

Blog

Laboratory Solutions Reducing energy, improving operation and enhancing safety goals

Higher Education K–12 Schools Life Sciences Commercial Office Healthcare Public Assembly

Aircuity can help: Significantly reduce lab energy use

Aircuity can help: Reduce operational expenses

Aircuity can help: Help to meet sustainability goals

Aircuity can help: Improve lab operation

Aircuity can help: Act as a value-add for EH&S personnel

Lab energy consumption Other 10% Lighting 20% HVAC 50–70

Aircuity adjusts air change rates based on IEQ information Hood Flows Thermal Load ACH/Dilut ion Requirem ent

Normal lab operation with dynamic control VOC event sensed at GEX ACH varies 4 to 12.7

A week of energy savings CF M AC H 6 ACH TAL ACH 4/2 ACH

The results of deploying lab DCV General Lab Vivarium 8-10 ACH 15-25 ACH 4/2 ACH 10 ACH

So, what exactly is the Aircuity Solution?

So, what exactly Advisor Services is the Aircuity Assuranc Solution? OptiNet® System e Services

Click to edit Master text styles Second level Third level Fourth level Supply Fifth level Air Duct Lab Room 101 Lab Room 102 Classroom 103 General Exhaust Duct BMS Sensor Click to edit Master text styles Suite Second level Third level Fourth level Fifth level IMS Advisor data center

INFORMATION DASHBOARD SUMMARY REPORTS SMART DATA GRAPHING NOTIFICATIONS AND EXPORTING

Beth Israel Deaconess Medical Center Center for Life Sciences

Energy retrofit across six floors

Annual savings $640,000

Return on < 1 year Investment:

The Biodesign Institute at Arizona State

18,000 CFM 16,000 CFM 14,000 CFM 12,000 CFM 10,000 CFM 8,000 CFM 6,000 CFM 4,000 CFM 2,000 CFM 0 CFM May-17 May-24 May-31 Jun-8 Jun-15 Jun-22 Jun-29 Jul-6 Jul-16 Exhaust CFM Jul-23 Jul-30 Supply CFM Aug-6 Aug-13 Aug-20 Aug-27 Sep-3 Sep-11

18,000 CFM Original airflow in LEED certified building 16,000 CFM 14,000 CFM 12,000 CFM 10,000 CFM 8,000 CFM 6,000 CFM 4,000 CFM 2,000 CFM 0 CFM May-17 May-24 May-31 Jun-8 Jun-15 Jun-22 Jun-29 Jul-6 Jul-16 Exhaust CFM Jul-23 Jul-30 Supply CFM Aug-6 Aug-13 Aug-20 Aug-27 Sep-3 Sep-11

18,000 CFM 16,000 CFM DCV enabled 14,000 CFM 12,000 CFM 10,000 CFM 8,000 CFM 6,000 CFM 4,000 CFM 2,000 CFM 0 CFM May-17 May-24 May-31 Jun-8 Jun-15 Jun-22 Jun-29 Jul-6 Jul-16 Exhaust CFM Jul-23 Jul-30 Supply CFM Aug-6 Aug-13 Aug-20 Aug-27 Sep-3 Sep-11

18,000 CFM 16,000 CFM Aircuity detected thermostat flaw 14,000 CFM 12,000 CFM 10,000 CFM 8,000 CFM 6,000 CFM 4,000 CFM 2,000 CFM 0 CFM May-17 May-24 May-31 Jun-8 Jun-15 Jun-22 Jun-29 Jul-6 Jul-16 Exhaust CFM Jul-23 Jul-30 Supply CFM Aug-6 Aug-13 Aug-20 Aug-27 Sep-3 Sep-11

18,000 CFM After repair, expected energy reduction achieved 16,000 CFM 14,000 CFM 12,000 CFM 10,000 CFM 8,000 CFM 6,000 CFM 4,000 CFM 2,000 CFM 0 CFM May-17 May-24 May-31 Jun-8 Jun-15 Jun-22 Jun-29 Jul-6 Jul-16 Exhaust CFM Jul-23 Jul-30 Supply CFM Aug-6 Aug-13 Aug-20 Aug-27 Sep-3 Sep-11

18,000 CFM Annual savings, phase 1: $55,290 16,000 CFM 14,000 CFM 12,000 CFM 10,000 CFM 8,000 CFM 6,000 CFM 4,000 CFM 2,000 CFM 0 CFM May-17 May-24 May-31 Jun-8 Jun-15 Jun-22 Jun-29 Jul-6 Jul-16 Exhaust CFM Jul-23 Jul-30 Supply CFM Aug-6 Aug-13 Aug-20 Aug-27 Sep-3 Sep-11

18,000 CFM 16,000 CFM Annual building savings: ~$1,000,000 14,000 CFM 12,000 CFM 10,000 CFM 8,000 CFM 6,000 CFM 4,000 CFM 2,000 CFM 0 CFM May-17 May-24 May-31 Jun-8 Jun-15 Jun-22 Jun-29 Jul-6 Jul-16 Exhaust CFM Jul-23 Jul-30 Supply CFM Aug-6 Aug-13 Aug-20 Aug-27 Sep-3 Sep-11

How do we get started?

Thank You!

Thank you for listening charles.coe@buildingsustainability.net mikael.soderman@buildingsustainability.ne t c.mulholland@criticalairflow.co.uk

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