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CommercialBuilding*Energy* Audits

ASHRAE ILLINOIS CHAPTER 2015 SPRING CONFERENCE March 10, 2015 Commercial Building energy Audits Michael Kuk, LEED AP BD+C, CPMP, OPMP, BEAP, CxA CERx Solutions Commissioning, energy Efficiency, Retro Commissioning Solutions 630- 636- 7118 (office / Fax) 630- 631- 9483 (mobile) AGENDA * WHAT IS AN ASHRAE LEVEL 1/2/3 audit ? * THE ASHRAE GREEN BOOK PROCEDURES FOR COMMERCIAL energy Audits THE goal of today is today * ASHRAE STANDARD 100 give an over- view and * ASHRAE RESOURCES show you where to get more info to learn more. * AUDITORS TOOL BOX * WHAT ELSE IS ASHRAE UP TO? ASHRAE LEVEL Audits * LEVEL 1: Walk- Through Survey * LEVEL 2: energy Survey and Analysis * LEVEL 3: Detailed Analysis of Capital- Intensive Modi cations The de ning line between each level is often grey . Di erent clients have di erent expectations on what level of detail they want within each level.

* LEVEL*1:WalkUThrough*Survey* * LEVEL*2:Energy*Survey*and*Analysis* * LEVEL*3:Detailed*Analysis*of*CapitalIntensive* Modifications ASHRAELEVELAUDITS

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Transcription of CommercialBuilding*Energy* Audits

1 ASHRAE ILLINOIS CHAPTER 2015 SPRING CONFERENCE March 10, 2015 Commercial Building energy Audits Michael Kuk, LEED AP BD+C, CPMP, OPMP, BEAP, CxA CERx Solutions Commissioning, energy Efficiency, Retro Commissioning Solutions 630- 636- 7118 (office / Fax) 630- 631- 9483 (mobile) AGENDA * WHAT IS AN ASHRAE LEVEL 1/2/3 audit ? * THE ASHRAE GREEN BOOK PROCEDURES FOR COMMERCIAL energy Audits THE goal of today is today * ASHRAE STANDARD 100 give an over- view and * ASHRAE RESOURCES show you where to get more info to learn more. * AUDITORS TOOL BOX * WHAT ELSE IS ASHRAE UP TO? ASHRAE LEVEL Audits * LEVEL 1: Walk- Through Survey * LEVEL 2: energy Survey and Analysis * LEVEL 3: Detailed Analysis of Capital- Intensive Modi cations The de ning line between each level is often grey . Di erent clients have di erent expectations on what level of detail they want within each level.

2 IN A NUTSHELL 1. HOW MUCH energy ARE THEY USING? 2. WHERE ARE THEY USING IT? 3. ARE THEY USING IT EFFECTIVELY? 4. HOW CAN THEY USE IT MORE EFFECTIVELY? BEFORE YOU GET STARTED Do A Preliminary energy - Use Analysis (PEA) * Collect * Basic Site Information * Historical Billing and Consumption * energy Performance Summaries (EUI, Target Finder Score, CBECS EIU) * Provides Necessary background data for level 1,2,3 analyses * Downloadable from ASHRAE LEVEL 1 The Walk- Through Survey * Conduct a brief on- site survey of the building * ID Low- Cost / no- cost measures * Provide a listing of potential capital improvements that merit further consideration * Calculations are minimal * Savings and costs are approximate ASHRAE LEVEL 2 The energy Survey and Analysis * More detailed survey * energy consumption and peak demand analysis * Break down of energy end uses * Provide savings and cost analysis of EEM's that meet owner/operator constraints and economic criteria * Recommend changes to O&M procedures * Listing of EEM's that require greater review ASHRAE LEVEL 3 Detailed Analysis of Capital- Intensive Modi cations * Focuses on potential capital- intensive projects ID'd through a Level 2 Analysis * Requires more detailed eld data

3 Gathering * More rigorous engineering and economic analysis * May include modeling (simulation) and vendor pricing * Provides detailed project cost and savings calculations (with higher level of con dence) * It often goes beyond the economic analysis of level 2 energy audit Overlay energy audit Required Tasks The ASHRAE Green Book Procedures for Commercial Building energy Audits * Part 1: De nitions of level of e ort required * Part 2: Best Practices AVAILABLE FROM ASHRAE WEBSITE $92 MEMBERS / $109 NON- MEMBERS * Part 3: Resources 164 PAGES OF EXTREMELY VALUABLE * AUDITING FORMS (can also be down loaded from INFORMATION HIGHLY RECOMMEND PURCHASE AND USE! PCBEA sample forms * TABLE OF CONTENTS * HVAC AND CONTROLS OPTIONS * PCBEA Sample Forms * GENERAL INFORMATION * Boilers * Basic Site Information * Chillers * Capital Improvement Plan * Cooling Towers and Fluid Coolers * Operations and Maintenance Costs * Space Function Summary * Pumps and Piping Systems * GEOMETRY AND ENVELOPE * Air- Handling System Equipment * Sketches * Opaque Surfaces * Air- Handling System Controls * Fenestration * Air System Terminal Units * Opaque Doors * Zone Heating Equipment * SCHEDULES * Occupancy * Fan- Coil Units * Lighting * Exhaust/Return Fans * Plug Loads * Packaged Units.)

4 DX, Heat Pumps * HVAC * Peak Occupancy * Condensing Unit and Condensers * LIGHTING * SPECIALTY LOADS * Interior Lighting * Exterior Lighting * Swimming Pools * Plug Loads * Kitchen Equipment * Thermal Zoning * Lab Equipment * DOMESTIC HOT WATER * Equipment * Refrigeration Equipment * Fixtures and Use * Data Centers/IT Rooms * Process Equipment ASHRAE Standard 100- 2015 energy E ciency in Existing Buildings 1. Quali ed person determines if a building has an EUI that meets target 2. For buildings without energy targets, a quali ed 2. SCOPE person shall conduct an energy audit . Bundle shall This standard applies to be implemented. existing buildings, portions 3. Owner shall designate an energy manager to of buildings, and building develop and maintain an energy management plan complexes, including the envelope and all systems in the building.

5 This standard excludes industrial and agricultural processes in buildings for which the energy targets do not include those processes. Standard 100 Auditing Requirements * The quali ed energy auditor shall * energy audit Requirements for Buildings complete Forms D and/or E, and submit without energy Targets to the authority having jurisdiction (AHJ). * Overall Process. An energy audit shall be conducted for all buildings not having an energy * If an energy audit is required within this target. The energy audit and the associated section, a copy of the audit summary energy audit report shall be completed by a results shall be included in the quali ed energy auditor practicing within their compliance documentation. eld of competency. * Compliance with this Standard shall be * The energy audit shall be a Level 2 audit (as achieved by adopting energy e ciency de ned in Section ) and shall not be required to cost more than 10% of the building's measures (EEMs) that collectively will annual energy expenditure.

6 If the scope of a reduce annual building energy use. Fuel Level 2 audit would result in an audit cost that switching shall not be permitted for this exceeds 10% of the building's annual energy purpose unless the fuel switching saves expenditure, the scope of that audit may be annual energy costs. limited to meet the cost cap. Standard 100 Revision Flow Chart Standard 100. Seek Compliance Compliance Requirements Section 4. Prioritize, Implement &. Conduct energy Commission Implement Mandatory energy audit Section 8. EEMs Management Program, Section 5. Section 9. Implement Mandatory Operations and NO. Maintenance, Section 6. Does Building Verify energy Identify Building Type, Meet Savings Complete Climate Zone and Collect energy Section 9 Compliance Forms energy Use Data, Target? Section 7 Sect. 7 for Buildings with Targets Section 4.

7 YES. Is there a Target for Standard 100. Building Compliance type? YES. Section 7. Complete Prioritize, Verify energy Compliance Forms NO Conduct energy Implement & Savings for Buildings w/o audit Section 8 Commission EEMs Section 9 Targets Section 9 Section 4. OTHER ASHRAE RESOURCES Standards * Standard 105- 2014: Standard Methods of Determining, Expressing, and Comparing Building energy Performance and Greenhouse Gas Emissions * Standard 180- 2012: Standard Practice for Inspection and Maintenance of Commercial Building HVAC Systems * Standard 2014: Standard for Design of High- . Performance Green Buildings * Standard 2013: Ventilation for Acceptable Indoor Air Quality * Standard 2010- energy Standard for Buildings Other ASHRAE RESOURCES Guidelines * Guideline 11- 2009: Field Testing of HVAC Control Components * Guideline 14- 2014: Measurement of energy and Demand Savings * Guideline 22- 2012- instrumentation for Monitoring Central Chilled- Water Plant E ciency ASHRAE RESOURCES: Advanced energy Design Guides Other ASHRAE Resources * (Misc) ASHRAE Technical Papers and Journal Articles * ASHRAE Owning and Operating Cost Database: http://.

8 * ASHRAE Back of the Envelope Calculator * ASHRAE Performance Measurement Protocols for Commercial Buildings * ASHRAE Green Guide * energy E ciency Guides for Existing Commercial Buildings * The business Case for Building Owners and Managers TOOLS OF THE TRADE What's in My Tool Box? * Power Meter * Refractometer * Data Loggers * Vaneometer * Temperature Guns * Snake Camera * FLIR Infrared Gun * Misc hand tools * Sling Psychrometer * Safety Gear * Digital Psychrometer /Enthalpy meter * I- Pad * Temperature Probes / Clamp * Laptop Computer on temperature * Calibrated Tracer Gas * CO2 Sensor * Strobe- tachometer * Lighting Meter * Sound Meter WHAT ELSE IS ASHRAE UP TO? * ASHRAE Standard 211P Standard for Commercial Building energy Audits * Will Standardize the Auditing Process * Timeline? QUESTIONS?


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