The International Code
Compliance Calculator ~ IC3
Presented by:
Energy Systems Laboratory (ESL)
Texas A&M University
Funded by:
State Energy Conservation Office (SECO)
US Department of Energy (DOE)
Special thanks to:
Felix Lopez
Senior Engineer
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Presenters:
Katherine McKelvey
 Texas A&M’s Energy Systems Laboratory
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Engineering Research Associate since 2007
 City of Fort Worth Chief Residential
Inspector for 11 years
 ICC Certified
 State of Texas Plumbing Inspectors’ License
 Master Sign Electrician License
 Successful completion of Home Energy
Rater Training
Presenters:
Ed Dryden
 Building Official, City of Arlington, TX
 24 years experience in municipal code
enforcement
 Certified Building Official & other ICC
Certifications
 Contracted with Energy Systems
Laboratory to teach workshops in
Commercial Energy Code and IC3
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Energy Systems Laboratory
Part of the Texas A&M University
System (TAMU)
A division of the Texas Engineering
Experiment Station (TEES). A research
arm of the colleges of Engineering and
an engineering agency of the State of
Texas providing over half a billion
dollars in research annually.
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Energy Systems Laboratory
• Specializes in managing energy
efficiency related projects
 Industrial Assessment
 Continuous Commissioning®
 Equipment Testing
 Legislative responsibilities for the Texas
Emissions Reduction Plan (TERP)
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Energy Systems Laboratory
Continuous Commissioning®
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Energy Systems Laboratory
Equipment Testing Services
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Texas Emission Reduction Plan
(TERP)
• Established by 77th Texas Legislature in
2001, through enactment of Senate Bill 5
Assures that the air in Texas is safe to breathe
• Develops approaches to solving environmental
problems
• Funds research and development
• Establishes Texas Building Energy Performance
Standards
•
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Texas Emission Reduction Plan
(TERP)
• Texas Building Energy Performance
Standards
• Assigned the Energy Systems Laboratory
(ESL) to:
• Help municipalities and counties determine
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the relative impacts of local amendments
to the code
• Report the status and effect of energy &
emissions as impacted by local codes
Texas Emission Reduction Plan
(TERP)
• Texas Building Energy Performance
Standards
• Assigned the Energy Systems Laboratory
(ESL) to:
• Help municipalities and counties determine
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the relative impacts of local amendments
to the code
• Report the status and effect of energy &
emissions as impacted by local codes
Energy Systems Laboratory
http://esl.eslwin.tamu.edu/reports/builders-information.html
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Texas Emission Reduction Plan
(TERP)
• Texas Building Energy Performance
Standards
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• Sets the 2000 International
Residential Code and the
2000 International Energy
Conservation Code (IECC)
with the 2001 Supplement,
as the first state mandated
energy codes for the State
of Texas
Texas Emission Reduction Plan
(TERP)
• Texas Building Energy Performance
Standards
•2000 International Residential Code as
applicable for 1- and 2- family residential
construction
•2000 International Energy Conservation Code
with the 2001 Supplement for use in all other
residential, commercial, and industrial
construction.
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Texas Emission Reduction Plan
(TERP)
Texas Building Energy Performance
Standards
• Designed to save energy by:
• Reducing solar heat gain
• Improving the performance of HVAC ducts
• Requiring openings in the thermal envelope
to be sealed against air leaks
• Setting minimum insulation levels for
thermal envelope assemblies
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Texas Emission Reduction Plan
(TERP)
Texas’ Nonattainment and
Near Nonattainment Areas
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Texas Emission Reduction Plan
(TERP)
Municipalities or counties
may adopt local amendments
to the International Energy
Conservation Code and the
energy efficiency chapter of
the International Residential
Code, however these
amendments may not result
in less stringent energy efficiency requirements in
nonattainment areas and affected counties.
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Energy Systems Laboratory
• Developed a series of web-based calculators
allowing Texas Government and Building
Industry users to design energy efficient
buildings at or above code, thus documenting
their emissions reductions
• International Code Compliance Calculator (IC3)
was developed for residential new construction
• Many jurisdictions mandate the use of IC3
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Software Development
• International Code Compliance
Calculator (IC3)
 Based on the Texas Building Energy
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Performance Standards
 A performance-based residential energy code
compliance tool
 Designed specifically to be used in residential
construction within the state of Texas
International Code
Compliance Calculator – IC3
•
Developed with emphasis on simplicity
• ESL’s goal is to develop an easy-to-use,
easy-to-access simulated performance
based tool that could be used to show
code compliance and to report reduced
energy consumption to the US EPA
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Let’s Get Started!...
The first thing you need to do is type
http://ic3.tamu.edu
in your browser
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IC3 First Page
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IC3 Registration Page
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IC3 Login Page
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IC3 My Page
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IC3 My Page ~ Links
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IC3 My Page ~ Projects
Delete and Copy
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IC3 - Project Information
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IC3 - Project Information
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IC3 - Project Information
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IC3 - Project Information
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IC3 Floors
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IC3 Floors - How Many?
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IC3 Floors – First Floor
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IC3 Floors –
Floors
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nd
2
and
rd
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IC3 Floors ~ Bedrooms and
Foundation
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IC3 Windows
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IC3 Windows – SHGC and UFactor
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IC3 Windows – Window Sizes
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IC3 Insulation / Mechanical
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IC3 Insulation / Mechanical
Conditioned Space
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IC3 Insulation / Mechanical
Blower Door
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IC3 Insulation / Mechanical
Duct Blaster
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IC3 Insulation / Mechanical
Wall Insulation
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IC3 Insulation / Mechanical
Wall Finish
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IC3 HVAC/DHW
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IC3 HVAC/DHW – Heating
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IC3 HVAC/DHW – Cooling
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IC3 HVAC/DHW – Water
Heater
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IC3 Roof
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IC3 Roof – Roof Covering and
Radiant Barrier
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IC3 Roof – Ceiling Area
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IC3 Roof – Ceiling Area
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IC3 Horizontal Projections
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IC3 Status
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IC3 Energy Certificate
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IC3 Energy Checklist
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Questions and Answers
ESL’s Contact information
IC3 Support
Ic3_support@esl.tamu.edu
Katherine McKelvey
(979) 845-1781
Kmckelvey@tamu.ed u
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Thank you for attending!
ESL- Energy Systems Lab:
http://esl.eslwin.tamu.edu/
Ed Dryden
Ed.Dryden@arlingtontx.gov
SECO- State Energy Conservation Office:
http://www.seco.cpa.state.tx.us/
Felix Lopez
Felix.lopez@cpa.state.tx.us
DOE- Department of Energy:
http://www.energy.gov/
EPA- Environmental Protection Agency:
http://www.epa.gov/
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