December 10, 2007

Multi-family Residential Unit Audits - Garden Apts and Smaller housing stocks 1

Multi-Family Residential Unit Audits Garden Apartments and Smaller Housing Stock

Daniel GrauAsit Patel

December 10, 2007Multi-family Residential Unit Audits - Garden Apts

and Smaller housing stocks 2

MF building audit process entails

Pre-site visit preparationSite walk throughData CompilationEnergy analysis Energy audit report

December 10, 2007Multi-family Residential Unit Audits - Garden Apts

and Smaller housing stocks 3

MF building audit process Pre site visit Preparation

Gathering building information, fuel bills Contact with building management

Site visit Building inspection: building shell, equipment,

interview with occupants… Data collection Determine Energy conservation measures

opportunities

Data Compilation Compute raw data Prepare software data entry

December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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MF building audit process Energy analysis

Building modeling Calculate Energy data for current conditions Adjust parameters: applicable retrofits, retrofit costs Define energy conservation measures, calculate

investment costs and energy savings

Energy audit report Executive summary Scope of work Description of energy conservation measures

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Multifamily Building audit processENERGY AUDIT REPORT

Executive summaryExisting conditionsAssumptions made during analysisRecommendationsScope of work Cost and savings projection SIRSpecifications

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What do we need to conduct an audit and to produce the end result?

Paper, pen, measure tape, drill, combustion efficiency test kit, infra-red camera, and several other tools

December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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We also need:

An open mind

Software tools to…

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Ea-quip is a tool,….. just a tool Developed to assist the Auditor with:

Performing drudgery energy calculations: heat loss, energy costs and savings with interaction between retrofits

Selecting energy measures: based on data and parameters entered by the Auditor

Storing data: with easy way to retrieve, transfer, copy information

Creating reports: with pre-formatted templates

…….not to replace the Auditor !

December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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Ea-Quip user requirements in NYS

Must make request to DHCR (NYS agency) in writing Subgrantee’s designated personnel must demonstrate skills in the following areas: Building Science Heating Appliance Diagnostics, Sizing and

Troubleshooting; Competency in using the DHCR Approved

Audit Software Residential /Commercial

Construction/Rehabilitation Experience

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In NYS…In the Southern Region of New York 3 out of 18 Sub-grantee’s are designated as Self Auditing. The designation as Self Auditing means that you have demonstrate to be competent in The use of EA-QUIP as an Auditing Tool and is

able to test or assess the building systems especially the complexity of the related mechanical systems for the purpose of developing a comprehensive WAP work scope.

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Ea-quip functionalities

Models Building Estimates energy values in

existing and retrofitted conditions System Recommended Retrofits User Selected Retrofits On-screen and printable reports

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December 10, 2007Multi-family Residential Unit Audits - Garden Apts

and Smaller housing stocks 13

December 10, 2007Multi-family Residential Unit Audits - Garden Apts

and Smaller housing stocks 14

ENERGY ANALYSIS SOFTWARE

EA-QUIP Energy Audit Using Queens

Information Package

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Ea-quip 10-step process

Step 1. Create new fileStep 2. Building informationStep 3. Fuel DataStep 4. Weather dataStep 5. Building dataStep 6. ModelingStep 7. Scope of WorkStep 8. Retrofit CostsStep 9. Sequential reportsStep 10. Auto Check

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Step1: Create a new file

Enter dwelling ID: typically building address

Select a starting file in the data files directory that very closely resembles this building Great when you are performing audits on multiple

buildings on the same block or similar construction

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December 10, 2007Multi-family Residential Unit Audits - Garden Apts

and Smaller housing stocks 18

December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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Step2: Building info

At the bottom of the Ea-quip main screen, select the first component from left

Fill requested boxes

December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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December 10, 2007Multi-family Residential Unit Audits - Garden Apts

and Smaller housing stocks 21

Step3: Fuel data

Select component#2Select fuel unitChoose State and then CityEnter fuel data by adding directly in the table or by importing an Excel spreadsheetEnter heating reference temperatureRecalculate/save button

December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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Step4: Weather data

In tools menu: select weather data

Select State and City

Select Year and Month

Update database by entering new daily average temperatures

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December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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Step5: Building data

Enter sequentially component # 3 to component #14

Save component entry

Add comments

Print individual screen

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December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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Step6: Modeling

Click on the modeling icon (4th from left)

Check modeling table

Check chart

Adjust parameters in component #3 to #14 until actual fuel data from bill matches calculated data

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December 10, 2007Multi-family Residential Unit Audits - Garden Apts

and Smaller housing stocks 29

December 10, 2007Multi-family Residential Unit Audits - Garden Apts

and Smaller housing stocks 30

Step 7: Scope of Work

Select retrofits from generated listView retrofit energy savings, investment costs and SIR in decreasing order.

December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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Step 8: Retrofit costs

Access retrofit costs by selecting parameters in menu and retrofit costs.

Choose one component

Enter fixed cost and/or cost per unit

December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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Step9: Sequential reports

Click 6th icon from the left to run sequential reportsView, print, export in html format individual report by selecting reports in the menu

December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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Step 10: Auto checkClick on check mark iconEa-quip establishes a list of parameters and tells you if they are in or out of typical rangeCorrect data entry if neededAdd commentsWas added to ensure integrity and quality of the auditPeer to peer review

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December 10, 2007Multi-family Residential Unit Audits - Garden Apts

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Not done yet…

Now we prepare the audit report Peer to peer review Final version of the audit report for release to the owner.

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Now we are done with the MF building audit.

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How to get Ea-Quip?

If interested.. E-mail at: Ea_Quip@aeanyc.org $ 25 material development and shipping

and handling cost.

New Web based version will be coming out soon… No software needed. Register on-line and privileges will be given

to all users based on their title..

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Association for Energy Affordability

MF auditing for the Weatherization Program in New York StateMF auditing trainingEa-quip training